JP7127032B2 - ミキシング後音響エコーキャンセルシステム及び方法 - Google Patents
ミキシング後音響エコーキャンセルシステム及び方法 Download PDFInfo
- Publication number
- JP7127032B2 JP7127032B2 JP2019538198A JP2019538198A JP7127032B2 JP 7127032 B2 JP7127032 B2 JP 7127032B2 JP 2019538198 A JP2019538198 A JP 2019538198A JP 2019538198 A JP2019538198 A JP 2019538198A JP 7127032 B2 JP7127032 B2 JP 7127032B2
- Authority
- JP
- Japan
- Prior art keywords
- audio signal
- filter
- echo
- background
- tap coefficients
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 52
- 230000005236 sound signal Effects 0.000 claims description 160
- 230000008569 process Effects 0.000 claims description 27
- 238000004891 communication Methods 0.000 claims description 25
- 230000004044 response Effects 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000004422 calculation algorithm Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 5
- 238000002592 echocardiography Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 235000019800 disodium phosphate Nutrition 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
- H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L21/0232—Processing in the frequency domain
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
- H04M3/568—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
- G10L2021/02166—Microphone arrays; Beamforming
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Quality & Reliability (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Circuit For Audible Band Transducer (AREA)
- Telephone Function (AREA)
Description
本出願は、2017年1月13日出願の米国特許出願第15/406,172号の利益を主張するものであり、その開示内容は引用により全体が本明細書に組み込まれる。
を生成することができる。バックグラウンドフィルタ202は更に、ステップ404などで、選択された音声信号のバックグラウンド誤りパワーを測定することができる。バックグラウンドフィルタ202は、遅延タップの有限級数をスケーリングするのに使用されるタップ係数hを有することができる。バックグラウンドフィルタ202は、次式に従って、選択された音声信号のバックグラウンド誤りe[n]を測定できる。
ここで、d[n]は音声信号であり、x[n]はリモート音声信号からのサンプルのベクトルであり、
は、共役転置演算を示す。バックグラウンド誤りパワーは、二乗のバックグラウンド誤りの大きさの時間平均を使用することなどによって、バックグラウンド誤りe[n]に基づいて測定することができる。
ここで、αはステップサイズパラメータであり、*は、複素共役演算を示し、
は、l2ノルムを示す。次に、処理324は、以下で説明するように、処理300、具体的にはステップ308に戻ることができる。
は、次式で与えられる。
ここで、m’は、特定のマイクロホン102の選択された音声信号である。
を乗算したものを加算することによって行うことができる。具体的には、次のサンプルn+1に対する加重和
は、次式で与えられる。
108 スイッチ
110 メモリ
114、116、118 高速フーリエ変換モジュール
112 音響エコーキャンセラ
120 逆高速フーリエ変換モジュール
Claims (20)
- (A)メモリと、
(B)各々が音声信号を生成するように構成された複数の音響源と、
(C)前記複数の音響源及び前記メモリと通信して、前記複数の音響源の各々からの前記音声信号をミキシングしてミキシング音声信号を生成するように構成されたミキサと、
(D)前記ミキサ、前記メモリ、及びリモート音声信号と通信し、ミキシングフィルタタップ係数及びタップ重みを有し、前記リモート音声信号をフィルタリングしてフィルタリングされたリモート音声信号を生成するように構成されたミキシングフィルタを備え、前記ミキシング音声信号、前記複数の音響源の各々からの前記音声信号から収集された情報、及び前記フィルタリングされたリモート音声信号に基づいて、エコーキャンセルされたミキシング音声信号を生成するように構成された、音響エコーキャンセラと、
を備える、ことを特徴とするシステム。 - 前記複数の音響源及び前記音響エコーキャンセラと通信する信号選択機構を更に備え、前記信号選択機構は、前記複数の音響源のうちの少なくとも1つから少なくとも1つの音声信号を選択して、前記少なくとも1つの選択された音声信号を前記音響エコーキャンセラに伝達するように構成され、前記信号選択機構は更に、前記ミキシング音声信号、前記少なくとも1つの選択された音声信号から収集された情報、及び前記フィルタリングされたリモート音声信号に基づいて、前記エコーキャンセルされたミキシング音声信号を生成するように構成される、請求項1に記載のシステム。
- 前記音響エコーキャンセラは、
バックグラウンドフィルタタップ係数を有し、正規化された最小二乗平均アルゴリズムを使用して前記複数の音響源の各々からの前記音声信号のバックグラウンド誤りパワーを測定するように構成されたバックグラウンドフィルタと、
隠しフィルタタップ係数を有し、前記複数の音響源の各々からの前記音声信号及び前記リモート音声信号に基づいて前記複数の音響源の各々からの前記音声信号の隠れ誤りパワーを測定するように構成された隠しフィルタと、
前記バックグラウンドフィルタ及び前記隠しフィルタと通信する誤り比較モジュールと、
を備え、
前記誤り比較モジュールは、
前記バックグラウンド誤りパワーと前記隠れ誤りパワーとを比較し、
前記バックグラウンド誤りパワーと前記隠れ誤りパワーとの前記比較に基づいた条件が満たされた場合に、前記バックグラウンドフィルタタップ係数を選択して該係数を前記メモリに格納する、
ように構成される、請求項1に記載のシステム。 - 前記誤り比較モジュールは更に、前記バックグラウンド誤りパワーと前記隠れ誤りパワーとの前記比較に基づいた前記条件が満たされた場合に、前記メモリから前記格納されたバックグラウンドフィルタタップ係数をコピーして前記隠しフィルタタップ係数と置き換えるように構成される、請求項3に記載のシステム。
- 前記音響エコーキャンセラは更に、
ミキシングフィルタタップ係数及びタップ重みを有し、前記リモート音声信号をフィルタリングしてフィルタリングされたリモート音声信号を生成するように構成されたミキシングフィルタを備え、
前記誤り比較モジュールは更に、前記バックグラウンド誤りパワーと前記隠れ誤りパワーとの前記比較に基づいた前記条件が満たされた場合に、前記メモリから前記格納されたバックグラウンドフィルタタップ係数をコピーして、現在適応中でない前記複数の音響源の各々の前記隠しフィルタタップ係数と現在適応中の音響源に対応し直近に更新されたバックグラウンドフィルタタップ係数とを組み合わせることによって前記ミキシングフィルタタップ係数を更新するように構成される、請求項3に記載のシステム。 - 前記音響エコーキャンセラは更に、
ミキシングフィルタタップ係数及びタップ重みを有し、前記リモート音声信号をフィルタリングしてフィルタリングされたリモート音声信号を生成するように構成されたミキシングフィルタを備え、
前記ミキシングフィルタは更に、前記ミキサのチャンネルスケーリング因子が変化した場合に、重みの差分にチャンネルインパルス応答推定値を乗算したものを加算することによって、前記変化したチャンネルスケーリング因子に対応する前記タップ重みを更新することによって更新されるように構成される、請求項3に記載のシステム。 - 前記音響エコーキャンセラは、前記ミキシング音声信号から前記フィルタリングされたリモート音声信号を減算することによって、前記エコーキャンセルされたミキシング音声信号を生成するように構成される、請求項1に記載のシステム。
- 前記音響エコーキャンセラは更に、
前記ミキサ、前記ミキシングフィルタ、及び前記エコーキャンセルされたミキシング音声信号と通信して、
前記フィルタリングされたリモート音声信号の出力コヒーレンスを測定し、前記エコーキャンセルされたミキシング音声信号の残余エコーパワーを推定するように構成されたミキシング推定器と、
前記出力コヒーレンスが所定の閾値を超過する場合、又は前記残余エコーパワーが前記ミキシング音声信号のパワーの半分を超過する場合に、前記エコーキャンセルされたミキシング音声信号を処理して、エコーが抑制されたミキシング音声信号を生成するように構成された非線形プロセッサと、
を備える、請求項9に記載のシステム。 - 複数の音響源の各々から音声信号を受信する段階と、
リモート音声信号を受信する段階と、
ミキサを使用して前記複数の音響源の各々からの前記音声信号をミキシングして、ミキシング音声信号を生成する段階と、
ミキシングフィルタタップ係数及びタップ重みを有するミキシングフィルタを使用して、前記リモート音声信号をフィルタリングしてフィルタリングされたリモート音声信号を生成する段階と、
音響エコーキャンセラを使用して、前記ミキシング音声信号、前記複数の音響源の各々からの前記音声信号から収集された情報、及び前記フィルタリングされたリモート音声信号に基づいて、エコーキャンセルされたミキシング音声信号を生成する段階と、
を含む方法。 - 信号選択機構を使用して、前記複数の音響源のうちの少なくとも1つから少なくとも1つの選択された音声信号を選択して該信号を前記音響エコーキャンセラに伝達する段階を更に含み、
前記エコーキャンセルされたミキシング音声信号を生成する段階は、前記ミキシング音声信号、前記少なくとも1つの選択された音声信号から収集された情報、及び前記フィルタリングされたリモート音声信号に基づいて、前記エコーキャンセルされたミキシング音声信号を生成する段階を含む、請求項11に記載の方法。 - 前記エコーキャンセルされたミキシング音声信号を生成する段階は、
バックグラウンドフィルタタップ係数を有するバックグラウンドフィルタにおいて、正規化された最小二乗平均アルゴリズムを使用して前記複数の音響源の各々からの前記音声信号のバックグラウンド誤りパワーを測定する段階と、
隠しフィルタタップ係数を有する隠しフィルタを使用して、前記複数の音響源の各々からの前記音声信号及び前記リモート音声信号に基づいて前記複数の音響源の各々からの前記音声信号の隠れ誤りパワーを測定する段階と、
前記バックグラウンド誤りパワーと前記隠れ誤りパワーとを比較する段階と、
前記バックグラウンド誤りパワーと前記隠れ誤りパワーとの前記比較に基づいた条件が満たされた場合に、前記バックグラウンドフィルタタップ係数を選択して該係数をメモリに格納するする段階と、
を含む、請求項11に記載の方法。 - 前記バックグラウンド誤りパワーと前記隠れ誤りパワーとの前記比較に基づいた前記条件が満たされた場合に、前記メモリから前記格納されたバックグラウンドフィルタタップ係数をコピーして前記隠しフィルタタップ係数と置き換える段階を更に含む、請求項13に記載の方法。
- ミキシングフィルタタップ係数及びタップ重みを有するミキシングフィルタを使用して、前記リモート音声信号をフィルタリングしてフィルタリングされたリモート音声信号を生成する段階と、
前記バックグラウンド誤りパワーと前記隠れ誤りパワーとの前記比較に基づいた前記条件が満たされた場合に、前記メモリから前記格納されたバックグラウンドフィルタタップ係数をコピーして、現在適応中でない前記複数の音響源の各々の前記隠しフィルタタップ係数と現在適応中の音響源に対応し直近に更新されたバックグラウンドフィルタタップ係数とを組み合わせることによって前記ミキシングフィルタタップ係数を更新する段階と、
を更に含む、請求項13に記載の方法。 - ミキシングフィルタタップ係数及びタップ重みを有するミキシングフィルタを使用して、前記リモート音声信号をフィルタリングしてフィルタリングされたリモート音声信号を生成する段階と、
前記ミキサのチャンネルスケーリング因子が変化した場合に、重みの差分にチャンネルインパルス応答推定値を乗算したものを加算することによって、前記変化したチャンネルスケーリング因子に対応する前記タップ重みを更新することによって前記ミキシングフィルタを更新する段階と、
を更に含む、請求項13に記載の方法。 - 前記エコーキャンセルされたミキシング音声信号を生成する段階は、前記ミキシング音声信号から前記フィルタリングされたリモート音声信号を減算する段階を含む、請求項11に記載の方法。
- ミキシング推定器を使用して、前記フィルタリングされたリモート音声信号の出力コヒーレンスを測定する段階と、
前記ミキシング推定器を使用して、前記エコーキャンセルされたミキシング音声信号の残余エコーパワーを推定する段階と、
前記出力コヒーレンスが所定の閾値を超過する場合、又は前記残余エコーパワーが前記ミキシング音声信号のパワーの半分を超過する場合に、非線形プロセッサを使用して、前記エコーキャンセルされたミキシング音声信号を処理して、エコーが抑制されたミキシング音声信号を生成する段階と、
を更に含む、請求項19に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/406,172 | 2017-01-13 | ||
US15/406,172 US10367948B2 (en) | 2017-01-13 | 2017-01-13 | Post-mixing acoustic echo cancellation systems and methods |
PCT/US2018/013155 WO2018132465A1 (en) | 2017-01-13 | 2018-01-10 | Post-mixing acoustic echo cancellation systems and methods |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020507955A JP2020507955A (ja) | 2020-03-12 |
JP7127032B2 true JP7127032B2 (ja) | 2022-08-29 |
Family
ID=61599565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019538198A Active JP7127032B2 (ja) | 2017-01-13 | 2018-01-10 | ミキシング後音響エコーキャンセルシステム及び方法 |
Country Status (7)
Country | Link |
---|---|
US (3) | US10367948B2 (ja) |
EP (1) | EP3568854B1 (ja) |
JP (1) | JP7127032B2 (ja) |
KR (1) | KR102432300B1 (ja) |
CN (1) | CN110199351B (ja) |
TW (1) | TWI749144B (ja) |
WO (1) | WO2018132465A1 (ja) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9565493B2 (en) | 2015-04-30 | 2017-02-07 | Shure Acquisition Holdings, Inc. | Array microphone system and method of assembling the same |
US9554207B2 (en) | 2015-04-30 | 2017-01-24 | Shure Acquisition Holdings, Inc. | Offset cartridge microphones |
US10225395B2 (en) * | 2015-12-09 | 2019-03-05 | Whatsapp Inc. | Techniques to dynamically engage echo cancellation |
US10367948B2 (en) | 2017-01-13 | 2019-07-30 | Shure Acquisition Holdings, Inc. | Post-mixing acoustic echo cancellation systems and methods |
US10542153B2 (en) | 2017-08-03 | 2020-01-21 | Bose Corporation | Multi-channel residual echo suppression |
US10594869B2 (en) * | 2017-08-03 | 2020-03-17 | Bose Corporation | Mitigating impact of double talk for residual echo suppressors |
EP3692704B1 (en) | 2017-10-03 | 2023-09-06 | Bose Corporation | Spatial double-talk detector |
JP7186375B2 (ja) * | 2018-03-29 | 2022-12-09 | パナソニックIpマネジメント株式会社 | 音声処理装置、音声処理方法および音声処理システム |
CN112154502B (zh) * | 2018-04-05 | 2024-03-01 | 瑞典爱立信有限公司 | 支持生成舒适噪声 |
CN112335261B (zh) | 2018-06-01 | 2023-07-18 | 舒尔获得控股公司 | 图案形成麦克风阵列 |
US11297423B2 (en) | 2018-06-15 | 2022-04-05 | Shure Acquisition Holdings, Inc. | Endfire linear array microphone |
US10938994B2 (en) * | 2018-06-25 | 2021-03-02 | Cypress Semiconductor Corporation | Beamformer and acoustic echo canceller (AEC) system |
CN108986836A (zh) * | 2018-08-29 | 2018-12-11 | 质音通讯科技(深圳)有限公司 | 一种回声抑制器的控制方法、装置、设备和存储介质 |
US11310596B2 (en) | 2018-09-20 | 2022-04-19 | Shure Acquisition Holdings, Inc. | Adjustable lobe shape for array microphones |
JP7334406B2 (ja) * | 2018-10-24 | 2023-08-29 | ヤマハ株式会社 | アレイマイクロフォンおよび収音方法 |
TWI696174B (zh) * | 2018-11-20 | 2020-06-11 | 宇智網通股份有限公司 | 音訊偵測裝置以及音訊偵測方法 |
US11438691B2 (en) | 2019-03-21 | 2022-09-06 | Shure Acquisition Holdings, Inc. | Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition functionality |
US11303981B2 (en) | 2019-03-21 | 2022-04-12 | Shure Acquisition Holdings, Inc. | Housings and associated design features for ceiling array microphones |
US11558693B2 (en) | 2019-03-21 | 2023-01-17 | Shure Acquisition Holdings, Inc. | Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition and voice activity detection functionality |
US10964305B2 (en) | 2019-05-20 | 2021-03-30 | Bose Corporation | Mitigating impact of double talk for residual echo suppressors |
WO2020237206A1 (en) | 2019-05-23 | 2020-11-26 | Shure Acquisition Holdings, Inc. | Steerable speaker array, system, and method for the same |
WO2020243471A1 (en) | 2019-05-31 | 2020-12-03 | Shure Acquisition Holdings, Inc. | Low latency automixer integrated with voice and noise activity detection |
CN110431624B (zh) * | 2019-06-17 | 2023-04-21 | 深圳市汇顶科技股份有限公司 | 残余回声检测方法、残余回声检测装置、语音处理芯片及电子设备 |
EP4018680A1 (en) | 2019-08-23 | 2022-06-29 | Shure Acquisition Holdings, Inc. | Two-dimensional microphone array with improved directivity |
CN112583431B (zh) * | 2019-09-29 | 2022-05-17 | 瑞昱半导体股份有限公司 | 接收器及相关的信号处理方法 |
US12028678B2 (en) | 2019-11-01 | 2024-07-02 | Shure Acquisition Holdings, Inc. | Proximity microphone |
EP4078577A1 (en) | 2019-12-18 | 2022-10-26 | Dolby Laboratories Licensing Corp. | Filter adaptation step size control for echo cancellation |
US11552611B2 (en) | 2020-02-07 | 2023-01-10 | Shure Acquisition Holdings, Inc. | System and method for automatic adjustment of reference gain |
WO2021243368A2 (en) | 2020-05-29 | 2021-12-02 | Shure Acquisition Holdings, Inc. | Transducer steering and configuration systems and methods using a local positioning system |
CN111798827A (zh) * | 2020-07-07 | 2020-10-20 | 上海立可芯半导体科技有限公司 | 回声消除方法、装置、系统和计算机可读介质 |
GB2597492B (en) * | 2020-07-23 | 2022-08-03 | Nissan Motor Mfg Uk Ltd | Gesture recognition system |
CN112151051B (zh) * | 2020-09-14 | 2023-12-19 | 海尔优家智能科技(北京)有限公司 | 音频数据的处理方法和装置及存储介质 |
JP2024505068A (ja) | 2021-01-28 | 2024-02-02 | シュアー アクイジッション ホールディングス インコーポレイテッド | ハイブリッドオーディオビーム形成システム |
WO2023059655A1 (en) | 2021-10-04 | 2023-04-13 | Shure Acquisition Holdings, Inc. | Networked automixer systems and methods |
WO2023133513A1 (en) | 2022-01-07 | 2023-07-13 | Shure Acquisition Holdings, Inc. | Audio beamforming with nulling control system and methods |
CN118382032B (zh) * | 2024-06-21 | 2024-08-20 | 深蓝感知(杭州)物联科技有限公司 | 一种基于p2p的分布麦克风会议装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003060530A (ja) | 2001-08-13 | 2003-02-28 | Fujitsu Ltd | エコー抑制処理システム |
JP2005531200A (ja) | 2002-06-24 | 2005-10-13 | フリースケール セミコンダクター インコーポレイテッド | 通信システムおよびそのための方法 |
JP2006173871A (ja) | 2004-12-14 | 2006-06-29 | Matsushita Electric Ind Co Ltd | 音響エコーキャンセラとそれを用いたハンズフリー電話及び音響エコーキャンセル方法 |
JP2007306553A (ja) | 2006-05-10 | 2007-11-22 | Harman Becker Automotive Systems Gmbh | マルチチャネルの反響補償 |
JP2016144112A (ja) | 2015-02-04 | 2016-08-08 | ヤマハ株式会社 | マイク選択装置、マイクシステムおよびマイク選択方法 |
Family Cites Families (981)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1535408A (en) | 1923-03-31 | 1925-04-28 | Charles F Fricke | Display device |
US1540788A (en) | 1924-10-24 | 1925-06-09 | Mcclure Edward | Border frame for open-metal-work panels and the like |
US1965830A (en) | 1933-03-18 | 1934-07-10 | Reginald B Hammer | Acoustic device |
US2113219A (en) | 1934-05-31 | 1938-04-05 | Rca Corp | Microphone |
US2075588A (en) | 1936-06-22 | 1937-03-30 | James V Lewis | Mirror and picture frame |
US2233412A (en) | 1937-07-03 | 1941-03-04 | Willis C Hill | Metallic window screen |
US2164655A (en) | 1937-10-28 | 1939-07-04 | Bertel J Kleerup | Stereopticon slide and method and means for producing same |
US2268529A (en) | 1938-11-21 | 1941-12-30 | Alfred H Stiles | Picture mounting means |
US2343037A (en) | 1941-02-27 | 1944-02-29 | William I Adelman | Frame |
US2377449A (en) | 1943-02-02 | 1945-06-05 | Joseph M Prevette | Combination screen and storm door and window |
US2539671A (en) | 1946-02-28 | 1951-01-30 | Rca Corp | Directional microphone |
US2521603A (en) | 1947-03-26 | 1950-09-05 | Pru Lesco Inc | Picture frame securing means |
US2481250A (en) | 1948-05-20 | 1949-09-06 | Gen Motors Corp | Engine starting apparatus |
US2533565A (en) | 1948-07-03 | 1950-12-12 | John M Eichelman | Display device having removable nonrigid panel |
US2828508A (en) | 1954-02-01 | 1958-04-01 | Specialites Alimentaires Bourg | Machine for injection-moulding of plastic articles |
US2777232A (en) | 1954-11-10 | 1957-01-15 | Robert M Kulicke | Picture frame |
US2912605A (en) | 1955-12-05 | 1959-11-10 | Tibbetts Lab Inc | Electromechanical transducer |
US2938113A (en) | 1956-03-17 | 1960-05-24 | Schneil Heinrich | Radio receiving set and housing therefor |
US2840181A (en) | 1956-08-07 | 1958-06-24 | Benjamin H Wildman | Loudspeaker cabinet |
US2882633A (en) | 1957-07-26 | 1959-04-21 | Arlington Aluminum Co | Poster holder |
US2950556A (en) | 1958-11-19 | 1960-08-30 | William E Ford | Foldable frame |
US3019854A (en) | 1959-10-12 | 1962-02-06 | Waitus A O'bryant | Filter for heating and air conditioning ducts |
US3240883A (en) | 1961-05-25 | 1966-03-15 | Shure Bros | Microphone |
US3132713A (en) | 1961-05-25 | 1964-05-12 | Shure Bros | Microphone diaphragm |
US3143182A (en) | 1961-07-17 | 1964-08-04 | E J Mosher | Sound reproducers |
US3160225A (en) | 1962-04-18 | 1964-12-08 | Edward L Sechrist | Sound reproduction system |
US3161975A (en) | 1962-11-08 | 1964-12-22 | John L Mcmillan | Picture frame |
US3205601A (en) | 1963-06-11 | 1965-09-14 | Gawne Daniel | Display holder |
US3239973A (en) | 1964-01-24 | 1966-03-15 | Johns Manville | Acoustical glass fiber panel with diaphragm action and controlled flow resistance |
US3906431A (en) | 1965-04-09 | 1975-09-16 | Us Navy | Search and track sonar system |
US3310901A (en) | 1965-06-15 | 1967-03-28 | Sarkisian Robert | Display holder |
US3321170A (en) | 1965-09-21 | 1967-05-23 | Earl F Vye | Magnetic adjustable pole piece strip heater clamp |
US3509290A (en) | 1966-05-03 | 1970-04-28 | Nippon Musical Instruments Mfg | Flat-plate type loudspeaker with frame mounted drivers |
DE1772445A1 (de) | 1968-05-16 | 1971-03-04 | Niezoldi & Kraemer Gmbh | Kamera mit eingebauten,in den Strahlengang des Aufnahmelichts bewegbaren Farbfiltern |
US3573399A (en) | 1968-08-14 | 1971-04-06 | Bell Telephone Labor Inc | Directional microphone |
AT284927B (de) | 1969-03-04 | 1970-10-12 | Eumig | Rohrrichtmikrophon |
US3699271A (en) * | 1970-11-16 | 1972-10-17 | Bell Telephone Labor Inc | Speech processor using multiband controlled center clipping |
JPS5028944B1 (ja) | 1970-12-04 | 1975-09-19 | ||
US3857191A (en) | 1971-02-08 | 1974-12-31 | Talkies Usa Inc | Visual-audio device |
US3696885A (en) | 1971-08-19 | 1972-10-10 | Electronic Res Ass | Decorative loudspeakers |
US3755625A (en) | 1971-10-12 | 1973-08-28 | Bell Telephone Labor Inc | Multimicrophone loudspeaking telephone system |
US3936606A (en) | 1971-12-07 | 1976-02-03 | Wanke Ronald L | Acoustic abatement method and apparatus |
JPS4867579A (ja) | 1971-12-23 | 1973-09-14 | ||
US3828508A (en) | 1972-07-31 | 1974-08-13 | W Moeller | Tile device for joining permanent ceiling tile to removable ceiling tile |
US3895194A (en) | 1973-05-29 | 1975-07-15 | Thermo Electron Corp | Directional condenser electret microphone |
US3855457A (en) | 1973-06-18 | 1974-12-17 | Ibm | Machine for processing merchandising tickets in both roll and individual form |
US3938617A (en) | 1974-01-17 | 1976-02-17 | Fort Enterprises, Limited | Speaker enclosure |
JPS5215972B2 (ja) | 1974-02-28 | 1977-05-06 | ||
US4029170A (en) | 1974-09-06 | 1977-06-14 | B & P Enterprises, Inc. | Radial sound port speaker |
US3941638A (en) | 1974-09-18 | 1976-03-02 | Reginald Patrick Horky | Manufactured relief-sculptured sound grills (used for covering the sound producing side and/or front of most manufactured sound speaker enclosures) and the manufacturing process for the said grills |
US4212133A (en) | 1975-03-14 | 1980-07-15 | Lufkin Lindsey D | Picture frame vase |
US3992584A (en) | 1975-05-09 | 1976-11-16 | Dugan Daniel W | Automatic microphone mixer |
JPS51137507A (en) | 1975-05-21 | 1976-11-27 | Asano Tetsukoujiyo Kk | Printing machine |
US4007461A (en) | 1975-09-05 | 1977-02-08 | Field Operations Bureau Of The Federal Communications Commission | Antenna system for deriving cardiod patterns |
US4070547A (en) | 1976-01-08 | 1978-01-24 | Superscope, Inc. | One-point stereo microphone |
US4072821A (en) | 1976-05-10 | 1978-02-07 | Cbs Inc. | Microphone system for producing signals for quadraphonic reproduction |
US4032725A (en) | 1976-09-07 | 1977-06-28 | Motorola, Inc. | Speaker mounting |
US4096353A (en) | 1976-11-02 | 1978-06-20 | Cbs Inc. | Microphone system for producing signals for quadraphonic reproduction |
US4169219A (en) | 1977-03-30 | 1979-09-25 | Beard Terry D | Compander noise reduction method and apparatus |
FR2390864A1 (fr) | 1977-05-09 | 1978-12-08 | France Etat | Systeme d'audioconference par liaison telephonique |
IE47296B1 (en) | 1977-11-03 | 1984-02-08 | Post Office | Improvements in or relating to audio teleconferencing |
USD255234S (en) | 1977-11-22 | 1980-06-03 | Ronald Wellward | Ceiling speaker |
US4131760A (en) | 1977-12-07 | 1978-12-26 | Bell Telephone Laboratories, Incorporated | Multiple microphone dereverberation system |
US4127156A (en) | 1978-01-03 | 1978-11-28 | Brandt James R | Burglar-proof screening |
USD256015S (en) | 1978-03-20 | 1980-07-22 | Epicure Products, Inc. | Loudspeaker mounting bracket |
DE2821294B2 (de) | 1978-05-16 | 1980-03-13 | Deutsche Texaco Ag, 2000 Hamburg | Phenolaldehydharz, Verfahren zu seiner Herstellung und seine Verwendung |
JPS54157617A (en) | 1978-05-31 | 1979-12-12 | Kyowa Electric & Chemical | Method of manufacturing cloth coated speaker box and material therefor |
US4305141A (en) | 1978-06-09 | 1981-12-08 | The Stoneleigh Trust | Low-frequency directional sonar systems |
US4198705A (en) | 1978-06-09 | 1980-04-15 | The Stoneleigh Trust, Donald P. Massa and Fred M. Dellorfano, Trustees | Directional energy receiving systems for use in the automatic indication of the direction of arrival of the received signal |
US4334740A (en) | 1978-09-12 | 1982-06-15 | Polaroid Corporation | Receiving system having pre-selected directional response |
JPS5546033A (en) | 1978-09-27 | 1980-03-31 | Nissan Motor Co Ltd | Electronic control fuel injection system |
JPS5910119B2 (ja) | 1979-04-26 | 1984-03-07 | 日本ビクター株式会社 | 可変指向性マイクロホン |
US4254417A (en) | 1979-08-20 | 1981-03-03 | The United States Of America As Represented By The Secretary Of The Navy | Beamformer for arrays with rotational symmetry |
DE2941485A1 (de) | 1979-10-10 | 1981-04-23 | Hans-Josef 4300 Essen Hasenäcker | Hoererlose fernsprechzelle |
SE418665B (sv) | 1979-10-16 | 1981-06-15 | Gustav Georg Arne Bolin | Sett att forbettra akustiken i en lokal |
US4311874A (en) | 1979-12-17 | 1982-01-19 | Bell Telephone Laboratories, Incorporated | Teleconference microphone arrays |
US4330691A (en) | 1980-01-31 | 1982-05-18 | The Futures Group, Inc. | Integral ceiling tile-loudspeaker system |
US4296280A (en) | 1980-03-17 | 1981-10-20 | Richie Ronald A | Wall mounted speaker system |
JPS5710598A (en) | 1980-06-20 | 1982-01-20 | Sony Corp | Transmitting circuit of microphone output |
US4373191A (en) | 1980-11-10 | 1983-02-08 | Motorola Inc. | Absolute magnitude difference function generator for an LPC system |
US4393631A (en) | 1980-12-03 | 1983-07-19 | Krent Edward D | Three-dimensional acoustic ceiling tile system for dispersing long wave sound |
US4365449A (en) | 1980-12-31 | 1982-12-28 | James P. Liautaud | Honeycomb framework system for drop ceilings |
AT371969B (de) | 1981-11-19 | 1983-08-25 | Akg Akustische Kino Geraete | Mikrophon zur stereophonischen aufnahme akustischer ereignisse |
US4436966A (en) | 1982-03-15 | 1984-03-13 | Darome, Inc. | Conference microphone unit |
US4429850A (en) | 1982-03-25 | 1984-02-07 | Uniweb, Inc. | Display panel shelf bracket |
US4449238A (en) | 1982-03-25 | 1984-05-15 | Bell Telephone Laboratories, Incorporated | Voice-actuated switching system |
US4521908A (en) | 1982-09-01 | 1985-06-04 | Victor Company Of Japan, Limited | Phased-array sound pickup apparatus having no unwanted response pattern |
US4489442A (en) | 1982-09-30 | 1984-12-18 | Shure Brothers, Inc. | Sound actuated microphone system |
US4485484A (en) | 1982-10-28 | 1984-11-27 | At&T Bell Laboratories | Directable microphone system |
US4518826A (en) | 1982-12-22 | 1985-05-21 | Mountain Systems, Inc. | Vandal-proof communication system |
FR2542549B1 (fr) | 1983-03-09 | 1987-09-04 | Lemaitre Guy | Diffuseur acoustique en angle plan |
US4669108A (en) | 1983-05-23 | 1987-05-26 | Teleconferencing Systems International Inc. | Wireless hands-free conference telephone system |
USD285067S (en) | 1983-07-18 | 1986-08-12 | Pascal Delbuck | Loudspeaker |
CA1202713A (en) | 1984-03-16 | 1986-04-01 | Beverley W. Gumb | Transmitter assembly for a telephone handset |
US4712231A (en) | 1984-04-06 | 1987-12-08 | Shure Brothers, Inc. | Teleconference system |
US4696043A (en) | 1984-08-24 | 1987-09-22 | Victor Company Of Japan, Ltd. | Microphone apparatus having a variable directivity pattern |
US4675906A (en) | 1984-12-20 | 1987-06-23 | At&T Company, At&T Bell Laboratories | Second order toroidal microphone |
US4658425A (en) | 1985-04-19 | 1987-04-14 | Shure Brothers, Inc. | Microphone actuation control system suitable for teleconference systems |
US4815132A (en) | 1985-08-30 | 1989-03-21 | Kabushiki Kaisha Toshiba | Stereophonic voice signal transmission system |
CA1236607A (en) | 1985-09-23 | 1988-05-10 | Northern Telecom Limited | Microphone arrangement |
US4625827A (en) | 1985-10-16 | 1986-12-02 | Crown International, Inc. | Microphone windscreen |
US4653102A (en) | 1985-11-05 | 1987-03-24 | Position Orientation Systems | Directional microphone system |
US4693174A (en) | 1986-05-09 | 1987-09-15 | Anderson Philip K | Air deflecting means for use with air outlets defined in dropped ceiling constructions |
US4860366A (en) | 1986-07-31 | 1989-08-22 | Nec Corporation | Teleconference system using expanders for emphasizing a desired signal with respect to undesired signals |
US4741038A (en) | 1986-09-26 | 1988-04-26 | American Telephone And Telegraph Company, At&T Bell Laboratories | Sound location arrangement |
JPH0657079B2 (ja) | 1986-12-08 | 1994-07-27 | 日本電信電話株式会社 | 複数対のマイクロホン出力の位相切替収音装置 |
US4862507A (en) | 1987-01-16 | 1989-08-29 | Shure Brothers, Inc. | Microphone acoustical polar pattern converter |
NL8701633A (nl) | 1987-07-10 | 1989-02-01 | Philips Nv | Digitale echocompensator. |
US4805730A (en) | 1988-01-11 | 1989-02-21 | Peavey Electronics Corporation | Loudspeaker enclosure |
US4866868A (en) | 1988-02-24 | 1989-09-19 | Ntg Industries, Inc. | Display device |
JPH01260967A (ja) | 1988-04-11 | 1989-10-18 | Nec Corp | 多チヤネル信号用音声会議装置 |
US4969197A (en) | 1988-06-10 | 1990-11-06 | Murata Manufacturing | Piezoelectric speaker |
JP2748417B2 (ja) | 1988-07-30 | 1998-05-06 | ソニー株式会社 | マイクロホン装置 |
US4881135A (en) | 1988-09-23 | 1989-11-14 | Heilweil Jordan B | Concealed audio-video apparatus for recording conferences and meetings |
US4928312A (en) | 1988-10-17 | 1990-05-22 | Amel Hill | Acoustic transducer |
US4888807A (en) | 1989-01-18 | 1989-12-19 | Audio-Technica U.S., Inc. | Variable pattern microphone system |
JPH0728470B2 (ja) | 1989-02-03 | 1995-03-29 | 松下電器産業株式会社 | アレイマイクロホン |
USD329239S (en) | 1989-06-26 | 1992-09-08 | PRS, Inc. | Recessed speaker grill |
US4923032A (en) | 1989-07-21 | 1990-05-08 | Nuernberger Mark A | Ceiling panel sound system |
US5000286A (en) | 1989-08-15 | 1991-03-19 | Klipsch And Associates, Inc. | Modular loudspeaker system |
USD324780S (en) | 1989-09-27 | 1992-03-24 | Sebesta Walter C | Combined picture frame and golf ball rack |
US5121426A (en) | 1989-12-22 | 1992-06-09 | At&T Bell Laboratories | Loudspeaking telephone station including directional microphone |
US5038935A (en) | 1990-02-21 | 1991-08-13 | Uniek Plastics, Inc. | Storage and display unit for photographic prints |
US5088574A (en) | 1990-04-16 | 1992-02-18 | Kertesz Iii Emery | Ceiling speaker system |
AT407815B (de) | 1990-07-13 | 2001-06-25 | Viennatone Gmbh | Hörgerät |
US5550925A (en) | 1991-01-07 | 1996-08-27 | Canon Kabushiki Kaisha | Sound processing device |
JP2792252B2 (ja) | 1991-03-14 | 1998-09-03 | 日本電気株式会社 | 多チャンネルエコー除去方法および装置 |
US5204907A (en) | 1991-05-28 | 1993-04-20 | Motorola, Inc. | Noise cancelling microphone and boot mounting arrangement |
US5353279A (en) | 1991-08-29 | 1994-10-04 | Nec Corporation | Echo canceler |
USD345346S (en) | 1991-10-18 | 1994-03-22 | International Business Machines Corp. | Pen-based computer |
US5189701A (en) | 1991-10-25 | 1993-02-23 | Micom Communications Corp. | Voice coder/decoder and methods of coding/decoding |
USD340718S (en) | 1991-12-20 | 1993-10-26 | Square D Company | Speaker frame assembly |
US5289544A (en) | 1991-12-31 | 1994-02-22 | Audiological Engineering Corporation | Method and apparatus for reducing background noise in communication systems and for enhancing binaural hearing systems for the hearing impaired |
US5322979A (en) | 1992-01-08 | 1994-06-21 | Cassity Terry A | Speaker cover assembly |
JP2792311B2 (ja) | 1992-01-31 | 1998-09-03 | 日本電気株式会社 | 多チャンネルエコー除去方法および装置 |
JPH05260589A (ja) | 1992-03-10 | 1993-10-08 | Nippon Hoso Kyokai <Nhk> | 焦点収音方法 |
US5297210A (en) | 1992-04-10 | 1994-03-22 | Shure Brothers, Incorporated | Microphone actuation control system |
USD345379S (en) | 1992-07-06 | 1994-03-22 | Canadian Moulded Products Inc. | Card holder |
US5383293A (en) | 1992-08-27 | 1995-01-24 | Royal; John D. | Picture frame arrangement |
JPH06104970A (ja) | 1992-09-18 | 1994-04-15 | Fujitsu Ltd | 拡声電話機 |
US5307405A (en) | 1992-09-25 | 1994-04-26 | Qualcomm Incorporated | Network echo canceller |
US5400413A (en) | 1992-10-09 | 1995-03-21 | Dana Innovations | Pre-formed speaker grille cloth |
IT1257164B (it) | 1992-10-23 | 1996-01-05 | Ist Trentino Di Cultura | Procedimento per la localizzazione di un parlatore e l'acquisizione diun messaggio vocale, e relativo sistema. |
JP2508574B2 (ja) | 1992-11-10 | 1996-06-19 | 日本電気株式会社 | 多チャンネルエコ―除去装置 |
US5406638A (en) | 1992-11-25 | 1995-04-11 | Hirschhorn; Bruce D. | Automated conference system |
US5359374A (en) | 1992-12-14 | 1994-10-25 | Talking Frames Corp. | Talking picture frames |
US5335011A (en) | 1993-01-12 | 1994-08-02 | Bell Communications Research, Inc. | Sound localization system for teleconferencing using self-steering microphone arrays |
US5329593A (en) | 1993-05-10 | 1994-07-12 | Lazzeroni John J | Noise cancelling microphone |
US5555447A (en) | 1993-05-14 | 1996-09-10 | Motorola, Inc. | Method and apparatus for mitigating speech loss in a communication system |
JPH084243B2 (ja) | 1993-05-31 | 1996-01-17 | 日本電気株式会社 | 多チャンネルエコー除去方法および装置 |
EP0707763B1 (en) | 1993-07-07 | 2001-08-29 | Picturetel Corporation | Reduction of background noise for speech enhancement |
US5657393A (en) | 1993-07-30 | 1997-08-12 | Crow; Robert P. | Beamed linear array microphone system |
DE4330243A1 (de) | 1993-09-07 | 1995-03-09 | Philips Patentverwaltung | Sprachverarbeitungseinrichtung |
US5525765A (en) | 1993-09-08 | 1996-06-11 | Wenger Corporation | Acoustical virtual environment |
US5664021A (en) | 1993-10-05 | 1997-09-02 | Picturetel Corporation | Microphone system for teleconferencing system |
US5473701A (en) | 1993-11-05 | 1995-12-05 | At&T Corp. | Adaptive microphone array |
USD363045S (en) | 1994-03-29 | 1995-10-10 | Phillips Verla D | Wall plaque |
JPH07336790A (ja) | 1994-06-13 | 1995-12-22 | Nec Corp | マイクロホンシステム |
US5509634A (en) | 1994-09-28 | 1996-04-23 | Femc Ltd. | Self adjusting glass shelf label holder |
JP3397269B2 (ja) | 1994-10-26 | 2003-04-14 | 日本電信電話株式会社 | 多チャネル反響消去方法 |
NL9401860A (nl) | 1994-11-08 | 1996-06-03 | Duran Bv | Luidsprekersysteem met bestuurde richtinggevoeligheid. |
US5633936A (en) | 1995-01-09 | 1997-05-27 | Texas Instruments Incorporated | Method and apparatus for detecting a near-end speech signal |
US5645257A (en) | 1995-03-31 | 1997-07-08 | Metro Industries, Inc. | Adjustable support apparatus |
USD382118S (en) | 1995-04-17 | 1997-08-12 | Kimberly-Clark Tissue Company | Paper towel |
JP3403549B2 (ja) * | 1995-05-29 | 2003-05-06 | 松下電器産業株式会社 | エコーキャンセラ |
US6731334B1 (en) | 1995-07-31 | 2004-05-04 | Forgent Networks, Inc. | Automatic voice tracking camera system and method of operation |
WO1997008896A1 (en) | 1995-08-23 | 1997-03-06 | Scientific-Atlanta, Inc. | Open area security system |
KR19990037726A (ko) | 1995-09-02 | 1999-05-25 | 헨리 에이지마 | 판넬형 음향 방사소자들로 구성된 라우드스피커 |
US6285770B1 (en) | 1995-09-02 | 2001-09-04 | New Transducers Limited | Noticeboards incorporating loudspeakers |
US6198831B1 (en) | 1995-09-02 | 2001-03-06 | New Transducers Limited | Panel-form loudspeakers |
US6215881B1 (en) | 1995-09-02 | 2001-04-10 | New Transducers Limited | Ceiling tile loudspeaker |
EP0766446B1 (en) | 1995-09-26 | 2003-06-11 | Nippon Telegraph And Telephone Corporation | Method and apparatus for multi-channel acoustic echo cancellation |
US5766702A (en) | 1995-10-05 | 1998-06-16 | Lin; Chii-Hsiung | Laminated ornamental glass |
SE505150C3 (sv) * | 1995-10-18 | 1997-08-04 | Ericsson Telefon Ab L M | Adaptivt ekoslaeckningsfoerfarande av dubbelfiltertyp |
US5768263A (en) | 1995-10-20 | 1998-06-16 | Vtel Corporation | Method for talk/listen determination and multipoint conferencing system using such method |
US6125179A (en) | 1995-12-13 | 2000-09-26 | 3Com Corporation | Echo control device with quick response to sudden echo-path change |
CN1204425A (zh) * | 1995-12-18 | 1999-01-06 | 艾利森电话股份有限公司 | 使用残留信号中功率估算的回声消除的方法和设备 |
US6144746A (en) | 1996-02-09 | 2000-11-07 | New Transducers Limited | Loudspeakers comprising panel-form acoustic radiating elements |
US5673327A (en) | 1996-03-04 | 1997-09-30 | Julstrom; Stephen D. | Microphone mixer |
US5888412A (en) | 1996-03-04 | 1999-03-30 | Motorola, Inc. | Method for making a sculptured diaphragm |
US5706344A (en) | 1996-03-29 | 1998-01-06 | Digisonix, Inc. | Acoustic echo cancellation in an integrated audio and telecommunication system |
US5717171A (en) | 1996-05-09 | 1998-02-10 | The Solar Corporation | Acoustical cabinet grille frame |
US5848146A (en) | 1996-05-10 | 1998-12-08 | Rane Corporation | Audio system for conferencing/presentation room |
US6205224B1 (en) | 1996-05-17 | 2001-03-20 | The Boeing Company | Circularly symmetric, zero redundancy, planar array having broad frequency range applications |
US5715319A (en) | 1996-05-30 | 1998-02-03 | Picturetel Corporation | Method and apparatus for steerable and endfire superdirective microphone arrays with reduced analog-to-digital converter and computational requirements |
US5796819A (en) | 1996-07-24 | 1998-08-18 | Ericsson Inc. | Echo canceller for non-linear circuits |
KR100212314B1 (ko) | 1996-11-06 | 1999-08-02 | 윤종용 | 액정 디스플레이 장치의 스탠드구조 |
US5888439A (en) | 1996-11-14 | 1999-03-30 | The Solar Corporation | Method of molding an acoustical cabinet grille frame |
JP3797751B2 (ja) | 1996-11-27 | 2006-07-19 | 富士通株式会社 | マイクロホンシステム |
US5878147A (en) | 1996-12-31 | 1999-03-02 | Etymotic Research, Inc. | Directional microphone assembly |
US7881486B1 (en) | 1996-12-31 | 2011-02-01 | Etymotic Research, Inc. | Directional microphone assembly |
US6151399A (en) | 1996-12-31 | 2000-11-21 | Etymotic Research, Inc. | Directional microphone system providing for ease of assembly and disassembly |
US6301357B1 (en) | 1996-12-31 | 2001-10-09 | Ericsson Inc. | AC-center clipper for noise and echo suppression in a communications system |
US5870482A (en) | 1997-02-25 | 1999-02-09 | Knowles Electronics, Inc. | Miniature silicon condenser microphone |
JP3175622B2 (ja) | 1997-03-03 | 2001-06-11 | ヤマハ株式会社 | 演奏音場制御装置 |
USD392977S (en) | 1997-03-11 | 1998-03-31 | LG Fosta Ltd. | Speaker |
US6041127A (en) | 1997-04-03 | 2000-03-21 | Lucent Technologies Inc. | Steerable and variable first-order differential microphone array |
FR2762467B1 (fr) | 1997-04-16 | 1999-07-02 | France Telecom | Procede d'annulation d'echo acoustique multi-voies et annuleur d'echo acoustique multi-voies |
AU6515798A (en) | 1997-04-16 | 1998-11-11 | Isight Ltd. | Video teleconferencing |
US6633647B1 (en) | 1997-06-30 | 2003-10-14 | Hewlett-Packard Development Company, L.P. | Method of custom designing directional responses for a microphone of a portable computer |
USD394061S (en) | 1997-07-01 | 1998-05-05 | Windsor Industries, Inc. | Combined computer-style radio and alarm clock |
US6137887A (en) | 1997-09-16 | 2000-10-24 | Shure Incorporated | Directional microphone system |
NL1007321C2 (nl) | 1997-10-20 | 1999-04-21 | Univ Delft Tech | Gehoorinrichting voor het verbeteren van de verstaanbaarheid voor slechthorenden. |
US6563803B1 (en) | 1997-11-26 | 2003-05-13 | Qualcomm Incorporated | Acoustic echo canceller |
US6039457A (en) | 1997-12-17 | 2000-03-21 | Intex Exhibits International, L.L.C. | Light bracket |
US6393129B1 (en) | 1998-01-07 | 2002-05-21 | American Technology Corporation | Paper structures for speaker transducers |
US6505057B1 (en) | 1998-01-23 | 2003-01-07 | Digisonix Llc | Integrated vehicle voice enhancement system and hands-free cellular telephone system |
US6622410B2 (en) | 1998-02-20 | 2003-09-23 | Illinois Tool Works Inc. | Attachment bracket for a shelf-edge display system |
US6895093B1 (en) | 1998-03-03 | 2005-05-17 | Texas Instruments Incorporated | Acoustic echo-cancellation system |
DE69908463T2 (de) | 1998-03-05 | 2004-05-13 | Nippon Telegraph And Telephone Corp. | Verfahren und Einrichtung zur mehrkanaligen Kompensation eines akustischen Echos |
WO1999053674A1 (en) | 1998-04-08 | 1999-10-21 | British Telecommunications Public Limited Company | Echo cancellation |
US6173059B1 (en) | 1998-04-24 | 2001-01-09 | Gentner Communications Corporation | Teleconferencing system with visual feedback |
DE69932786T2 (de) | 1998-05-11 | 2007-08-16 | Koninklijke Philips Electronics N.V. | Tonhöhenerkennung |
US6442272B1 (en) | 1998-05-26 | 2002-08-27 | Tellabs, Inc. | Voice conferencing system having local sound amplification |
US6266427B1 (en) | 1998-06-19 | 2001-07-24 | Mcdonnell Douglas Corporation | Damped structural panel and method of making same |
AU2004200802B2 (en) * | 1998-07-13 | 2007-05-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Digital adaptive filter and acoustic echo canceller using the same |
USD416315S (en) | 1998-09-01 | 1999-11-09 | Fujitsu General Limited | Air conditioner |
USD424538S (en) | 1998-09-14 | 2000-05-09 | Fujitsu General Limited | Display device |
US6049607A (en) | 1998-09-18 | 2000-04-11 | Lamar Signal Processing | Interference canceling method and apparatus |
US6424635B1 (en) | 1998-11-10 | 2002-07-23 | Nortel Networks Limited | Adaptive nonlinear processor for echo cancellation |
US6526147B1 (en) | 1998-11-12 | 2003-02-25 | Gn Netcom A/S | Microphone array with high directivity |
US7068801B1 (en) | 1998-12-18 | 2006-06-27 | National Research Council Of Canada | Microphone array diffracting structure |
KR100298300B1 (ko) | 1998-12-29 | 2002-05-01 | 강상훈 | 포만트유사도측정에의한피솔라를이용한음성파형부호화방식 |
US6507659B1 (en) | 1999-01-25 | 2003-01-14 | Cascade Audio, Inc. | Microphone apparatus for producing signals for surround reproduction |
US6035962A (en) | 1999-02-24 | 2000-03-14 | Lin; Chih-Hsiung | Easily-combinable and movable speaker case |
US7423983B1 (en) | 1999-09-20 | 2008-09-09 | Broadcom Corporation | Voice and data exchange over a packet based network |
US7558381B1 (en) | 1999-04-22 | 2009-07-07 | Agere Systems Inc. | Retrieval of deleted voice messages in voice messaging system |
JP3789685B2 (ja) | 1999-07-02 | 2006-06-28 | 富士通株式会社 | マイクロホンアレイ装置 |
US6889183B1 (en) | 1999-07-15 | 2005-05-03 | Nortel Networks Limited | Apparatus and method of regenerating a lost audio segment |
US20050286729A1 (en) | 1999-07-23 | 2005-12-29 | George Harwood | Flat speaker with a flat membrane diaphragm |
ATE376892T1 (de) | 1999-09-29 | 2007-11-15 | 1 Ltd | Verfahren und vorrichtung zur ausrichtung von schall mit einer gruppe von emissionswandlern |
USD432518S (en) | 1999-10-01 | 2000-10-24 | Keiko Muto | Audio system |
US6868377B1 (en) | 1999-11-23 | 2005-03-15 | Creative Technology Ltd. | Multiband phase-vocoder for the modification of audio or speech signals |
US6704423B2 (en) | 1999-12-29 | 2004-03-09 | Etymotic Research, Inc. | Hearing aid assembly having external directional microphone |
US6449593B1 (en) | 2000-01-13 | 2002-09-10 | Nokia Mobile Phones Ltd. | Method and system for tracking human speakers |
US20020140633A1 (en) | 2000-02-03 | 2002-10-03 | Canesta, Inc. | Method and system to present immersion virtual simulations using three-dimensional measurement |
US6488367B1 (en) | 2000-03-14 | 2002-12-03 | Eastman Kodak Company | Electroformed metal diaphragm |
US6741720B1 (en) | 2000-04-19 | 2004-05-25 | Russound/Fmp, Inc. | In-wall loudspeaker system |
US6993126B1 (en) | 2000-04-28 | 2006-01-31 | Clearsonics Pty Ltd | Apparatus and method for detecting far end speech |
EP1287672B1 (en) | 2000-05-26 | 2007-08-15 | Koninklijke Philips Electronics N.V. | Method and device for acoustic echo cancellation combined with adaptive beamforming |
US6944312B2 (en) | 2000-06-15 | 2005-09-13 | Valcom, Inc. | Lay-in ceiling speaker |
US6329908B1 (en) | 2000-06-23 | 2001-12-11 | Armstrong World Industries, Inc. | Addressable speaker system |
US6622030B1 (en) | 2000-06-29 | 2003-09-16 | Ericsson Inc. | Echo suppression using adaptive gain based on residual echo energy |
US8019091B2 (en) | 2000-07-19 | 2011-09-13 | Aliphcom, Inc. | Voice activity detector (VAD) -based multiple-microphone acoustic noise suppression |
USD453016S1 (en) | 2000-07-20 | 2002-01-22 | B & W Loudspeakers Limited | Loudspeaker unit |
US6386315B1 (en) | 2000-07-28 | 2002-05-14 | Awi Licensing Company | Flat panel sound radiator and assembly system |
US6481173B1 (en) | 2000-08-17 | 2002-11-19 | Awi Licensing Company | Flat panel sound radiator with special edge details |
US6510919B1 (en) | 2000-08-30 | 2003-01-28 | Awi Licensing Company | Facing system for a flat panel radiator |
EP1184676B1 (en) | 2000-09-02 | 2004-05-06 | Nokia Corporation | System and method for processing a signal being emitted from a target signal source into a noisy environment |
US6968064B1 (en) | 2000-09-29 | 2005-11-22 | Forgent Networks, Inc. | Adaptive thresholds in acoustic echo canceller for use during double talk |
WO2002030156A1 (en) | 2000-10-05 | 2002-04-11 | Etymotic Research, Inc. | Directional microphone assembly |
GB2367730B (en) | 2000-10-06 | 2005-04-27 | Mitel Corp | Method and apparatus for minimizing far-end speech effects in hands-free telephony systems using acoustic beamforming |
US6963649B2 (en) | 2000-10-24 | 2005-11-08 | Adaptive Technologies, Inc. | Noise cancelling microphone |
EP1202602B1 (en) | 2000-10-25 | 2013-05-15 | Panasonic Corporation | Zoom microphone device |
US6704422B1 (en) | 2000-10-26 | 2004-03-09 | Widex A/S | Method for controlling the directionality of the sound receiving characteristic of a hearing aid a hearing aid for carrying out the method |
US6757393B1 (en) | 2000-11-03 | 2004-06-29 | Marie L. Spitzer | Wall-hanging entertainment system |
JP4110734B2 (ja) | 2000-11-27 | 2008-07-02 | 沖電気工業株式会社 | 音声パケット通信の品質制御装置 |
US7092539B2 (en) | 2000-11-28 | 2006-08-15 | University Of Florida Research Foundation, Inc. | MEMS based acoustic array |
US7092882B2 (en) | 2000-12-06 | 2006-08-15 | Ncr Corporation | Noise suppression in beam-steered microphone array |
JP4734714B2 (ja) | 2000-12-22 | 2011-07-27 | ヤマハ株式会社 | 収音再生方法およびその装置 |
US6768795B2 (en) | 2001-01-11 | 2004-07-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Side-tone control within a telecommunication instrument |
WO2002060057A1 (en) | 2001-01-23 | 2002-08-01 | Koninklijke Philips Electronics N.V. | Asymmetric multichannel filter |
USD480923S1 (en) | 2001-02-20 | 2003-10-21 | Dester.Acs Holding B.V. | Tray |
US20020126861A1 (en) | 2001-03-12 | 2002-09-12 | Chester Colby | Audio expander |
US20020131580A1 (en) | 2001-03-16 | 2002-09-19 | Shure Incorporated | Solid angle cross-talk cancellation for beamforming arrays |
KR100922910B1 (ko) | 2001-03-27 | 2009-10-22 | 캠브리지 메카트로닉스 리미티드 | 사운드 필드를 생성하는 방법 및 장치 |
JP3506138B2 (ja) | 2001-07-11 | 2004-03-15 | ヤマハ株式会社 | 複数チャンネルエコーキャンセル方法、複数チャンネル音声伝送方法、ステレオエコーキャンセラ、ステレオ音声伝送装置および伝達関数演算装置 |
WO2003010996A2 (en) | 2001-07-20 | 2003-02-06 | Koninklijke Philips Electronics N.V. | Sound reinforcement system having an echo suppressor and loudspeaker beamformer |
JP2004537232A (ja) | 2001-07-20 | 2004-12-09 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 多数のマイクロフォンのエコーを抑圧する回路をポストプロセッサとして有する音響補強システム |
US7013267B1 (en) | 2001-07-30 | 2006-03-14 | Cisco Technology, Inc. | Method and apparatus for reconstructing voice information |
US7068796B2 (en) | 2001-07-31 | 2006-06-27 | Moorer James A | Ultra-directional microphones |
GB2379148A (en) | 2001-08-21 | 2003-02-26 | Mitel Knowledge Corp | Voice activity detection |
GB0121206D0 (en) | 2001-08-31 | 2001-10-24 | Mitel Knowledge Corp | System and method of indicating and controlling sound pickup direction and location in a teleconferencing system |
US7298856B2 (en) | 2001-09-05 | 2007-11-20 | Nippon Hoso Kyokai | Chip microphone and method of making same |
US20030059061A1 (en) | 2001-09-14 | 2003-03-27 | Sony Corporation | Audio input unit, audio input method and audio input and output unit |
JP2003087890A (ja) | 2001-09-14 | 2003-03-20 | Sony Corp | 音声入力装置及び音声入力方法 |
USD469090S1 (en) | 2001-09-17 | 2003-01-21 | Sharp Kabushiki Kaisha | Monitor for a computer |
JP3568922B2 (ja) | 2001-09-20 | 2004-09-22 | 三菱電機株式会社 | エコー処理装置 |
US7065224B2 (en) | 2001-09-28 | 2006-06-20 | Sonionmicrotronic Nederland B.V. | Microphone for a hearing aid or listening device with improved internal damping and foreign material protection |
US7120269B2 (en) | 2001-10-05 | 2006-10-10 | Lowell Manufacturing Company | Lay-in tile speaker system |
US7239714B2 (en) | 2001-10-09 | 2007-07-03 | Sonion Nederland B.V. | Microphone having a flexible printed circuit board for mounting components |
GB0124352D0 (en) | 2001-10-11 | 2001-11-28 | 1 Ltd | Signal processing device for acoustic transducer array |
JP4282260B2 (ja) | 2001-11-20 | 2009-06-17 | 株式会社リコー | エコーキャンセラ |
US6665971B2 (en) | 2001-11-27 | 2003-12-23 | Fast Industries, Ltd. | Label holder with dust cover |
WO2003047307A2 (en) | 2001-11-27 | 2003-06-05 | Corporation For National Research Initiatives | A miniature condenser microphone and fabrication method therefor |
US20030107478A1 (en) | 2001-12-06 | 2003-06-12 | Hendricks Richard S. | Architectural sound enhancement system |
US7130430B2 (en) | 2001-12-18 | 2006-10-31 | Milsap Jeffrey P | Phased array sound system |
US6592237B1 (en) | 2001-12-27 | 2003-07-15 | John M. Pledger | Panel frame to draw air around light fixtures |
US20030122777A1 (en) | 2001-12-31 | 2003-07-03 | Grover Andrew S. | Method and apparatus for configuring a computer system based on user distance |
AU2003210624A1 (en) | 2002-01-18 | 2003-07-30 | Polycom, Inc. | Digital linking of multiple microphone systems |
US8098844B2 (en) | 2002-02-05 | 2012-01-17 | Mh Acoustics, Llc | Dual-microphone spatial noise suppression |
WO2007106399A2 (en) | 2006-03-10 | 2007-09-20 | Mh Acoustics, Llc | Noise-reducing directional microphone array |
US7130309B2 (en) | 2002-02-20 | 2006-10-31 | Intel Corporation | Communication device with dynamic delay compensation and method for communicating voice over a packet-switched network |
US20030161485A1 (en) | 2002-02-27 | 2003-08-28 | Shure Incorporated | Multiple beam automatic mixing microphone array processing via speech detection |
DE10208465A1 (de) | 2002-02-27 | 2003-09-18 | Bsh Bosch Siemens Hausgeraete | Elektrisches Gerät, insbesondere Dunstabzugshaube |
US20030169888A1 (en) | 2002-03-08 | 2003-09-11 | Nikolas Subotic | Frequency dependent acoustic beam forming and nulling |
DK174558B1 (da) | 2002-03-15 | 2003-06-02 | Bruel & Kjaer Sound & Vibratio | Stråleformende transducer-antennesystem |
ITMI20020566A1 (it) | 2002-03-18 | 2003-09-18 | Daniele Ramenzoni | Dispositivo per captare movimenti anche piccoli nell'aria e nei fluidi adatto per applicazioni cibernetiche e di laboratorio come trasduttor |
US7245733B2 (en) | 2002-03-20 | 2007-07-17 | Siemens Hearing Instruments, Inc. | Hearing instrument microphone arrangement with improved sensitivity |
US7518737B2 (en) | 2002-03-29 | 2009-04-14 | Georgia Tech Research Corp. | Displacement-measuring optical device with orifice |
ITBS20020043U1 (it) | 2002-04-12 | 2003-10-13 | Flos Spa | Giunto per il collegamento meccanico e elettrico di apparecchi di illuminazione in linea e/o ad angolo |
US6912178B2 (en) | 2002-04-15 | 2005-06-28 | Polycom, Inc. | System and method for computing a location of an acoustic source |
US20030198339A1 (en) | 2002-04-19 | 2003-10-23 | Roy Kenneth P. | Enhanced sound processing system for use with sound radiators |
US20030202107A1 (en) | 2002-04-30 | 2003-10-30 | Slattery E. Michael | Automated camera view control system |
US7852369B2 (en) | 2002-06-27 | 2010-12-14 | Microsoft Corp. | Integrated design for omni-directional camera and microphone array |
US6882971B2 (en) | 2002-07-18 | 2005-04-19 | General Instrument Corporation | Method and apparatus for improving listener differentiation of talkers during a conference call |
GB2393601B (en) | 2002-07-19 | 2005-09-21 | 1 Ltd | Digital loudspeaker system |
US8947347B2 (en) | 2003-08-27 | 2015-02-03 | Sony Computer Entertainment Inc. | Controlling actions in a video game unit |
US7050576B2 (en) | 2002-08-20 | 2006-05-23 | Texas Instruments Incorporated | Double talk, NLP and comfort noise |
WO2004027754A1 (en) | 2002-09-17 | 2004-04-01 | Koninklijke Philips Electronics N.V. | A method of synthesizing of an unvoiced speech signal |
EP1557071A4 (en) | 2002-10-01 | 2009-09-30 | Donnelly Corp | MICROPHONE SYSTEM FOR VEHICLE |
US7106876B2 (en) | 2002-10-15 | 2006-09-12 | Shure Incorporated | Microphone for simultaneous noise sensing and speech pickup |
US20080056517A1 (en) | 2002-10-18 | 2008-03-06 | The Regents Of The University Of California | Dynamic binaural sound capture and reproduction in focued or frontal applications |
US7672445B1 (en) | 2002-11-15 | 2010-03-02 | Fortemedia, Inc. | Method and system for nonlinear echo suppression |
US7003099B1 (en) | 2002-11-15 | 2006-02-21 | Fortmedia, Inc. | Small array microphone for acoustic echo cancellation and noise suppression |
GB2395878A (en) | 2002-11-29 | 2004-06-02 | Mitel Knowledge Corp | Method of capturing constant echo path information using default coefficients |
US6990193B2 (en) | 2002-11-29 | 2006-01-24 | Mitel Knowledge Corporation | Method of acoustic echo cancellation in full-duplex hands free audio conferencing with spatial directivity |
US7359504B1 (en) | 2002-12-03 | 2008-04-15 | Plantronics, Inc. | Method and apparatus for reducing echo and noise |
GB0229059D0 (en) | 2002-12-12 | 2003-01-15 | Mitel Knowledge Corp | Method of broadband constant directivity beamforming for non linear and non axi-symmetric sensor arrays embedded in an obstacle |
US7333476B2 (en) | 2002-12-23 | 2008-02-19 | Broadcom Corporation | System and method for operating a packet voice far-end echo cancellation system |
KR100480789B1 (ko) | 2003-01-17 | 2005-04-06 | 삼성전자주식회사 | 피드백 구조를 이용한 적응적 빔 형성방법 및 장치 |
GB2397990A (en) | 2003-01-31 | 2004-08-04 | Mitel Networks Corp | Echo cancellation/suppression and double-talk detection in communication paths |
USD489707S1 (en) | 2003-02-17 | 2004-05-11 | Pioneer Corporation | Speaker |
GB0304126D0 (en) | 2003-02-24 | 2003-03-26 | 1 Ltd | Sound beam loudspeaker system |
KR100493172B1 (ko) | 2003-03-06 | 2005-06-02 | 삼성전자주식회사 | 마이크로폰 어레이 구조, 이를 이용한 일정한 지향성을갖는 빔 형성방법 및 장치와 음원방향 추정방법 및 장치 |
US20040240664A1 (en) | 2003-03-07 | 2004-12-02 | Freed Evan Lawrence | Full-duplex speakerphone |
US7466835B2 (en) | 2003-03-18 | 2008-12-16 | Sonion A/S | Miniature microphone with balanced termination |
KR100545832B1 (ko) * | 2003-03-21 | 2006-01-24 | (주)씨앤에스 테크놀로지 | 간섭신호에 강인한 음향 반향 제거장치 |
US9099094B2 (en) | 2003-03-27 | 2015-08-04 | Aliphcom | Microphone array with rear venting |
US6988064B2 (en) | 2003-03-31 | 2006-01-17 | Motorola, Inc. | System and method for combined frequency-domain and time-domain pitch extraction for speech signals |
US7643641B2 (en) | 2003-05-09 | 2010-01-05 | Nuance Communications, Inc. | System for communication enhancement in a noisy environment |
US8724822B2 (en) | 2003-05-09 | 2014-05-13 | Nuance Communications, Inc. | Noisy environment communication enhancement system |
EP1478208B1 (en) | 2003-05-13 | 2009-01-07 | Harman Becker Automotive Systems GmbH | A method and system for self-compensating for microphone non-uniformities |
JP2004349806A (ja) | 2003-05-20 | 2004-12-09 | Nippon Telegr & Teleph Corp <Ntt> | 多チャネル音響エコー消去方法、その装置、そのプログラム及びその記録媒体 |
US6993145B2 (en) | 2003-06-26 | 2006-01-31 | Multi-Service Corporation | Speaker grille frame |
US20050005494A1 (en) | 2003-07-11 | 2005-01-13 | Way Franklin B. | Combination display frame |
GB0317158D0 (en) | 2003-07-23 | 2003-08-27 | Mitel Networks Corp | A method to reduce acoustic coupling in audio conferencing systems |
US8244536B2 (en) | 2003-08-27 | 2012-08-14 | General Motors Llc | Algorithm for intelligent speech recognition |
US7412376B2 (en) | 2003-09-10 | 2008-08-12 | Microsoft Corporation | System and method for real-time detection and preservation of speech onset in a signal |
CA2452945C (en) | 2003-09-23 | 2016-05-10 | Mcmaster University | Binaural adaptive hearing system |
US7162041B2 (en) | 2003-09-30 | 2007-01-09 | Etymotic Research, Inc. | Noise canceling microphone with acoustically tuned ports |
US20050213747A1 (en) | 2003-10-07 | 2005-09-29 | Vtel Products, Inc. | Hybrid monaural and multichannel audio for conferencing |
USD510729S1 (en) | 2003-10-23 | 2005-10-18 | Benq Corporation | TV tuner box |
US7190775B2 (en) | 2003-10-29 | 2007-03-13 | Broadcom Corporation | High quality audio conferencing with adaptive beamforming |
US8270585B2 (en) | 2003-11-04 | 2012-09-18 | Stmicroelectronics, Inc. | System and method for an endpoint participating in and managing multipoint audio conferencing in a packet network |
DK1695590T3 (da) | 2003-12-01 | 2014-06-02 | Wolfson Dynamic Hearing Pty Ltd | Fremgangsmåde og apparat til fremstilling af adaptive, retningsbestemte signaler |
WO2005057804A1 (en) | 2003-12-10 | 2005-06-23 | Koninklijke Philips Electronics N.V. | Echo canceller having a series arrangement of adaptive filters with individual update control strategy |
KR101086398B1 (ko) | 2003-12-24 | 2011-11-25 | 삼성전자주식회사 | 다수의 마이크로폰을 이용한 지향성 제어 가능 스피커시스템 및 그 방법 |
US7778425B2 (en) | 2003-12-24 | 2010-08-17 | Nokia Corporation | Method for generating noise references for generalized sidelobe canceling |
JP4251077B2 (ja) | 2004-01-07 | 2009-04-08 | ヤマハ株式会社 | スピーカ装置 |
CN1902981A (zh) | 2004-01-07 | 2007-01-24 | 皇家飞利浦电子股份有限公司 | 具有混响降低滤波器的音频系统 |
US7387151B1 (en) | 2004-01-23 | 2008-06-17 | Payne Donald L | Cabinet door with changeable decorative panel |
DK176894B1 (da) | 2004-01-29 | 2010-03-08 | Dpa Microphones As | Mikrofonstruktur med retningsvirkning |
TWI289020B (en) | 2004-02-06 | 2007-10-21 | Fortemedia Inc | Apparatus and method of a dual microphone communication device applied for teleconference system |
US7515721B2 (en) | 2004-02-09 | 2009-04-07 | Microsoft Corporation | Self-descriptive microphone array |
US7503616B2 (en) | 2004-02-27 | 2009-03-17 | Daimler Ag | Motor vehicle having a microphone |
CA2992097C (en) | 2004-03-01 | 2018-09-11 | Dolby Laboratories Licensing Corporation | Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters |
US7415117B2 (en) | 2004-03-02 | 2008-08-19 | Microsoft Corporation | System and method for beamforming using a microphone array |
US7826205B2 (en) | 2004-03-08 | 2010-11-02 | Originatic Llc | Electronic device having a movable input assembly with multiple input sides |
USD504889S1 (en) | 2004-03-17 | 2005-05-10 | Apple Computer, Inc. | Electronic device |
US7346315B2 (en) | 2004-03-30 | 2008-03-18 | Motorola Inc | Handheld device loudspeaker system |
JP2005311988A (ja) | 2004-04-26 | 2005-11-04 | Onkyo Corp | スピーカーシステム |
WO2005125267A2 (en) | 2004-05-05 | 2005-12-29 | Southwest Research Institute | Airborne collection of acoustic data using an unmanned aerial vehicle |
JP2005323084A (ja) | 2004-05-07 | 2005-11-17 | Nippon Telegr & Teleph Corp <Ntt> | 音響エコー消去方法、音響エコー消去装置、音響エコー消去プログラム |
US8031853B2 (en) | 2004-06-02 | 2011-10-04 | Clearone Communications, Inc. | Multi-pod conference systems |
US7856097B2 (en) | 2004-06-17 | 2010-12-21 | Panasonic Corporation | Echo canceling apparatus, telephone set using the same, and echo canceling method |
US7352858B2 (en) | 2004-06-30 | 2008-04-01 | Microsoft Corporation | Multi-channel echo cancellation with round robin regularization |
TWI241790B (en) | 2004-07-16 | 2005-10-11 | Ind Tech Res Inst | Hybrid beamforming apparatus and method for the same |
JP4396449B2 (ja) * | 2004-08-25 | 2010-01-13 | パナソニック電工株式会社 | 残響除去方法及びその装置 |
ATE413769T1 (de) | 2004-09-03 | 2008-11-15 | Harman Becker Automotive Sys | Sprachsignalverarbeitung für die gemeinsame adaptive reduktion von störgeräuschen und von akustischen echos |
JP2008512888A (ja) | 2004-09-07 | 2008-04-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 改善した雑音抑圧を有する電話装置 |
JP2006094389A (ja) | 2004-09-27 | 2006-04-06 | Yamaha Corp | 車内会話補助装置 |
EP1643798B1 (en) | 2004-10-01 | 2012-12-05 | AKG Acoustics GmbH | Microphone comprising two pressure-gradient capsules |
US8116500B2 (en) | 2004-10-15 | 2012-02-14 | Lifesize Communications, Inc. | Microphone orientation and size in a speakerphone |
US7720232B2 (en) | 2004-10-15 | 2010-05-18 | Lifesize Communications, Inc. | Speakerphone |
US7970151B2 (en) | 2004-10-15 | 2011-06-28 | Lifesize Communications, Inc. | Hybrid beamforming |
US7667728B2 (en) | 2004-10-15 | 2010-02-23 | Lifesize Communications, Inc. | Video and audio conferencing system with spatial audio |
US7760887B2 (en) | 2004-10-15 | 2010-07-20 | Lifesize Communications, Inc. | Updating modeling information based on online data gathering |
USD526643S1 (en) | 2004-10-19 | 2006-08-15 | Pioneer Corporation | Speaker |
CN1780495A (zh) | 2004-10-25 | 2006-05-31 | 宝利通公司 | 顶蓬麦克风组件 |
US7660428B2 (en) | 2004-10-25 | 2010-02-09 | Polycom, Inc. | Ceiling microphone assembly |
US8761385B2 (en) | 2004-11-08 | 2014-06-24 | Nec Corporation | Signal processing method, signal processing device, and signal processing program |
JP4527502B2 (ja) * | 2004-11-17 | 2010-08-18 | Necインフロンティア株式会社 | エコーキャンセラ、回線交換システム及びエコーキャンセリング方法 |
US20060109983A1 (en) | 2004-11-19 | 2006-05-25 | Young Randall K | Signal masking and method thereof |
US20060147063A1 (en) | 2004-12-22 | 2006-07-06 | Broadcom Corporation | Echo cancellation in telephones with multiple microphones |
USD526648S1 (en) | 2004-12-23 | 2006-08-15 | Apple Computer, Inc. | Computing device |
NO328256B1 (no) | 2004-12-29 | 2010-01-18 | Tandberg Telecom As | Audiosystem |
US7830862B2 (en) | 2005-01-07 | 2010-11-09 | At&T Intellectual Property Ii, L.P. | System and method for modifying speech playout to compensate for transmission delay jitter in a voice over internet protocol (VoIP) network |
KR20060081076A (ko) | 2005-01-07 | 2006-07-12 | 이재호 | 음성인식으로 층수를 지정하는 엘리베이터 |
USD527372S1 (en) | 2005-01-12 | 2006-08-29 | Kh Technology Corporation | Loudspeaker |
EP1681670A1 (en) | 2005-01-14 | 2006-07-19 | Dialog Semiconductor GmbH | Voice activation |
JP4120646B2 (ja) | 2005-01-27 | 2008-07-16 | ヤマハ株式会社 | 拡声システム |
JP4258472B2 (ja) | 2005-01-27 | 2009-04-30 | ヤマハ株式会社 | 拡声システム |
JP4196956B2 (ja) | 2005-02-28 | 2008-12-17 | ヤマハ株式会社 | 拡声システム |
US7995768B2 (en) | 2005-01-27 | 2011-08-09 | Yamaha Corporation | Sound reinforcement system |
CA2600015A1 (en) | 2005-03-01 | 2006-09-08 | Todd Henry | Electromagnetic lever diaphragm audio transducer |
US8406435B2 (en) | 2005-03-18 | 2013-03-26 | Microsoft Corporation | Audio submix management |
US7522742B2 (en) | 2005-03-21 | 2009-04-21 | Speakercraft, Inc. | Speaker assembly with moveable baffle |
DE602005003643T2 (de) | 2005-04-01 | 2008-11-13 | Mitel Networks Corporation, Ottawa | Verfahren zur Beschleunigung des Trainings eines akustischen Echokompensators in einem Vollduplexaudiokonferenzsystem durch akustische Strahlbildung |
US20060222187A1 (en) | 2005-04-01 | 2006-10-05 | Scott Jarrett | Microphone and sound image processing system |
USD542543S1 (en) | 2005-04-06 | 2007-05-15 | Foremost Group Inc. | Mirror |
CA2505496A1 (en) | 2005-04-27 | 2006-10-27 | Universite De Sherbrooke | Robust localization and tracking of simultaneously moving sound sources using beamforming and particle filtering |
US7991167B2 (en) | 2005-04-29 | 2011-08-02 | Lifesize Communications, Inc. | Forming beams with nulls directed at noise sources |
JP4886770B2 (ja) | 2005-05-05 | 2012-02-29 | 株式会社ソニー・コンピュータエンタテインメント | コンピュータ対話型処理と共に使用する選択的音源聴音 |
GB2426168B (en) | 2005-05-09 | 2008-08-27 | Sony Comp Entertainment Europe | Audio processing |
EP1722545B1 (en) | 2005-05-09 | 2008-08-13 | Mitel Networks Corporation | A method and a system to reduce training time of an acoustic echo canceller in a full-duplex beamforming-based audio conferencing system |
JP4654777B2 (ja) | 2005-06-03 | 2011-03-23 | パナソニック株式会社 | 音響エコーキャンセル装置 |
JP4735956B2 (ja) | 2005-06-22 | 2011-07-27 | アイシン・エィ・ダブリュ株式会社 | 複数ボルト挿入工具 |
US8139782B2 (en) | 2005-06-23 | 2012-03-20 | Paul Hughes | Modular amplification system |
ATE378793T1 (de) | 2005-06-23 | 2007-11-15 | Akg Acoustics Gmbh | Methode zur modellierung eines mikrofons |
EP1737268B1 (en) | 2005-06-23 | 2012-02-08 | AKG Acoustics GmbH | Sound field microphone |
JP4760160B2 (ja) | 2005-06-29 | 2011-08-31 | ヤマハ株式会社 | 集音装置 |
USD549673S1 (en) | 2005-06-29 | 2007-08-28 | Sony Corporation | Television receiver |
JP2007019907A (ja) | 2005-07-08 | 2007-01-25 | Yamaha Corp | 音声伝達システム、および通信会議装置 |
WO2007013180A1 (ja) | 2005-07-27 | 2007-02-01 | Kabushiki Kaisha Audio-Technica | 会議用音声システム |
EP1923866B1 (en) | 2005-08-11 | 2014-01-01 | Asahi Kasei Kabushiki Kaisha | Sound source separating device, speech recognizing device, portable telephone, sound source separating method, and program |
US7702116B2 (en) | 2005-08-22 | 2010-04-20 | Stone Christopher L | Microphone bleed simulator |
JP4752403B2 (ja) | 2005-09-06 | 2011-08-17 | ヤマハ株式会社 | 拡声システム |
JP4724505B2 (ja) | 2005-09-09 | 2011-07-13 | 株式会社日立製作所 | 超音波探触子およびその製造方法 |
US20080253589A1 (en) | 2005-09-21 | 2008-10-16 | Koninklijke Philips Electronics N.V. | Ultrasound Imaging System with Voice Activated Controls Using Remotely Positioned Microphone |
JP2007089058A (ja) | 2005-09-26 | 2007-04-05 | Yamaha Corp | マイクアレイ制御装置 |
US7565949B2 (en) | 2005-09-27 | 2009-07-28 | Casio Computer Co., Ltd. | Flat panel display module having speaker function |
WO2007037700A1 (en) | 2005-09-30 | 2007-04-05 | Squarehead Technology As | Directional audio capturing |
USD549675S1 (en) | 2005-10-07 | 2007-08-28 | Koninklijke Philips Electronics N.V. | Center unit for home theatre system |
DE602006004136D1 (de) | 2005-10-12 | 2009-01-22 | Yamaha Corp | Lautsprecher- und Mikrofonanordnung |
US20070174047A1 (en) | 2005-10-18 | 2007-07-26 | Anderson Kyle D | Method and apparatus for resynchronizing packetized audio streams |
US7970123B2 (en) | 2005-10-20 | 2011-06-28 | Mitel Networks Corporation | Adaptive coupling equalization in beamforming-based communication systems |
USD546814S1 (en) | 2005-10-24 | 2007-07-17 | Teac Corporation | Guitar amplifier with digital audio disc player |
WO2007049556A1 (ja) | 2005-10-26 | 2007-05-03 | Matsushita Electric Industrial Co., Ltd. | 映像音声出力装置 |
EP1962547B1 (en) | 2005-11-02 | 2012-06-13 | Yamaha Corporation | Teleconference device |
JP4867579B2 (ja) | 2005-11-02 | 2012-02-01 | ヤマハ株式会社 | 遠隔会議装置 |
CA2629801C (en) | 2005-11-15 | 2011-02-01 | Yamaha Corporation | Remote conference apparatus and sound emitting/collecting apparatus |
US20070120029A1 (en) | 2005-11-29 | 2007-05-31 | Rgb Systems, Inc. | A Modular Wall Mounting Apparatus |
USD552570S1 (en) | 2005-11-30 | 2007-10-09 | Sony Corporation | Monitor television receiver |
USD547748S1 (en) | 2005-12-08 | 2007-07-31 | Sony Corporation | Speaker box |
EP1965603B1 (en) | 2005-12-19 | 2017-01-11 | Yamaha Corporation | Sound emission and collection device |
US8130977B2 (en) | 2005-12-27 | 2012-03-06 | Polycom, Inc. | Cluster of first-order microphones and method of operation for stereo input of videoconferencing system |
JP4929740B2 (ja) | 2006-01-31 | 2012-05-09 | ヤマハ株式会社 | 音声会議装置 |
US8644477B2 (en) | 2006-01-31 | 2014-02-04 | Shure Acquisition Holdings, Inc. | Digital Microphone Automixer |
USD581510S1 (en) | 2006-02-10 | 2008-11-25 | American Power Conversion Corporation | Wiring closet ventilation unit |
JP2007228070A (ja) | 2006-02-21 | 2007-09-06 | Yamaha Corp | テレビ会議装置 |
JP4946090B2 (ja) | 2006-02-21 | 2012-06-06 | ヤマハ株式会社 | 収音放音一体型装置 |
US8730156B2 (en) | 2010-03-05 | 2014-05-20 | Sony Computer Entertainment America Llc | Maintaining multiple views on a shared stable virtual space |
JP4779748B2 (ja) | 2006-03-27 | 2011-09-28 | 株式会社デンソー | 車両用音声入出力装置および音声入出力装置用プログラム |
JP2007274131A (ja) | 2006-03-30 | 2007-10-18 | Yamaha Corp | 拡声システム及び集音装置 |
JP2007274463A (ja) | 2006-03-31 | 2007-10-18 | Yamaha Corp | 遠隔会議装置 |
US8670581B2 (en) | 2006-04-14 | 2014-03-11 | Murray R. Harman | Electrostatic loudspeaker capable of dispersing sound both horizontally and vertically |
EP1848243B1 (en) | 2006-04-18 | 2009-02-18 | Harman/Becker Automotive Systems GmbH | Multi-channel echo compensation system and method |
JP2007288679A (ja) | 2006-04-19 | 2007-11-01 | Yamaha Corp | 放収音装置 |
JP4816221B2 (ja) | 2006-04-21 | 2011-11-16 | ヤマハ株式会社 | 収音装置および音声会議装置 |
US20070253561A1 (en) | 2006-04-27 | 2007-11-01 | Tsp Systems, Inc. | Systems and methods for audio enhancement |
US7831035B2 (en) | 2006-04-28 | 2010-11-09 | Microsoft Corporation | Integration of a microphone array with acoustic echo cancellation and center clipping |
US8155331B2 (en) | 2006-05-10 | 2012-04-10 | Honda Motor Co., Ltd. | Sound source tracking system, method and robot |
US20070269066A1 (en) | 2006-05-19 | 2007-11-22 | Phonak Ag | Method for manufacturing an audio signal |
WO2006114015A2 (en) | 2006-05-19 | 2006-11-02 | Phonak Ag | Method for manufacturing an audio signal |
JP4747949B2 (ja) | 2006-05-25 | 2011-08-17 | ヤマハ株式会社 | 音声会議装置 |
US8275120B2 (en) | 2006-05-30 | 2012-09-25 | Microsoft Corp. | Adaptive acoustic echo cancellation |
USD559553S1 (en) | 2006-06-23 | 2008-01-15 | Electric Mirror, L.L.C. | Backlit mirror with TV |
JP2008005347A (ja) | 2006-06-23 | 2008-01-10 | Yamaha Corp | 音声通信装置、および複合プラグ |
JP2008005293A (ja) | 2006-06-23 | 2008-01-10 | Matsushita Electric Ind Co Ltd | エコー抑圧装置 |
US8184801B1 (en) | 2006-06-29 | 2012-05-22 | Nokia Corporation | Acoustic echo cancellation for time-varying microphone array beamsteering systems |
JP4984683B2 (ja) | 2006-06-29 | 2012-07-25 | ヤマハ株式会社 | 放収音装置 |
US20080008339A1 (en) | 2006-07-05 | 2008-01-10 | Ryan James G | Audio processing system and method |
US8189765B2 (en) | 2006-07-06 | 2012-05-29 | Panasonic Corporation | Multichannel echo canceller |
KR100883652B1 (ko) | 2006-08-03 | 2009-02-18 | 삼성전자주식회사 | 음성 구간 검출 방법 및 장치, 및 이를 이용한 음성 인식시스템 |
US8213634B1 (en) | 2006-08-07 | 2012-07-03 | Daniel Technology, Inc. | Modular and scalable directional audio array with novel filtering |
JP4887968B2 (ja) | 2006-08-09 | 2012-02-29 | ヤマハ株式会社 | 音声会議装置 |
US8280728B2 (en) | 2006-08-11 | 2012-10-02 | Broadcom Corporation | Packet loss concealment for a sub-band predictive coder based on extrapolation of excitation waveform |
US8346546B2 (en) | 2006-08-15 | 2013-01-01 | Broadcom Corporation | Packet loss concealment based on forced waveform alignment after packet loss |
US8898633B2 (en) | 2006-08-24 | 2014-11-25 | Siemens Industry, Inc. | Devices, systems, and methods for configuring a programmable logic controller |
USD566685S1 (en) | 2006-10-04 | 2008-04-15 | Lightspeed Technologies, Inc. | Combined wireless receiver, amplifier and speaker |
GB0619825D0 (en) | 2006-10-06 | 2006-11-15 | Craven Peter G | Microphone array |
ES2653671T3 (es) | 2006-10-16 | 2018-02-08 | Thx Ltd | Sistema de distribución de audio y de potencia |
JP5028944B2 (ja) | 2006-10-17 | 2012-09-19 | ヤマハ株式会社 | 音声会議装置及び音声会議システム |
US8103030B2 (en) | 2006-10-23 | 2012-01-24 | Siemens Audiologische Technik Gmbh | Differential directional microphone system and hearing aid device with such a differential directional microphone system |
JP4928922B2 (ja) | 2006-12-01 | 2012-05-09 | 株式会社東芝 | 情報処理装置、およびプログラム |
ATE522078T1 (de) | 2006-12-18 | 2011-09-15 | Harman Becker Automotive Sys | Echokompensation mit geringer komplexität |
JP2008154056A (ja) | 2006-12-19 | 2008-07-03 | Yamaha Corp | 音声会議装置および音声会議システム |
CN101207468B (zh) | 2006-12-19 | 2010-07-21 | 华为技术有限公司 | 丢帧隐藏方法、系统和装置 |
CN101212828A (zh) | 2006-12-27 | 2008-07-02 | 鸿富锦精密工业(深圳)有限公司 | 电子设备及其采用的声音模组 |
KR101365988B1 (ko) | 2007-01-05 | 2014-02-21 | 삼성전자주식회사 | 지향성 스피커 시스템의 자동 셋-업 방법 및 장치 |
US7941677B2 (en) | 2007-01-05 | 2011-05-10 | Avaya Inc. | Apparatus and methods for managing power distribution over Ethernet |
DE08713901T1 (de) | 2007-01-22 | 2010-02-25 | Bell Helicopter Textron, Inc., Fort Worth | System und verfahren zur interaktiven anzeige von daten in einer bewegungserfassungsumgebung |
JP4509126B2 (ja) * | 2007-01-24 | 2010-07-21 | 沖電気工業株式会社 | エコーキャンセラ及びエコーキャンセル方法 |
KR101297300B1 (ko) | 2007-01-31 | 2013-08-16 | 삼성전자주식회사 | 스피커 어레이를 이용한 프론트 서라운드 재생 시스템 및그 신호 재생 방법 |
US20080188965A1 (en) | 2007-02-06 | 2008-08-07 | Rane Corporation | Remote audio device network system and method |
GB2446619A (en) | 2007-02-16 | 2008-08-20 | Audiogravity Holdings Ltd | Reduction of wind noise in an omnidirectional microphone array |
JP5139111B2 (ja) | 2007-03-02 | 2013-02-06 | 本田技研工業株式会社 | 移動音源からの音の抽出方法および装置 |
US7651390B1 (en) | 2007-03-12 | 2010-01-26 | Profeta Jeffery L | Ceiling vent air diverter |
EP1970894A1 (fr) | 2007-03-12 | 2008-09-17 | France Télécom | Procédé et dispositif de modification d'un signal audio |
USD578509S1 (en) | 2007-03-12 | 2008-10-14 | The Professional Monitor Company Limited | Audio speaker |
US8654955B1 (en) | 2007-03-14 | 2014-02-18 | Clearone Communications, Inc. | Portable conferencing device with videoconferencing option |
US8005238B2 (en) | 2007-03-22 | 2011-08-23 | Microsoft Corporation | Robust adaptive beamforming with enhanced noise suppression |
US8098842B2 (en) | 2007-03-29 | 2012-01-17 | Microsoft Corp. | Enhanced beamforming for arrays of directional microphones |
JP5050616B2 (ja) | 2007-04-06 | 2012-10-17 | ヤマハ株式会社 | 放収音装置 |
USD587709S1 (en) | 2007-04-06 | 2009-03-03 | Sony Corporation | Monitor display |
US8155304B2 (en) | 2007-04-10 | 2012-04-10 | Microsoft Corporation | Filter bank optimization for acoustic echo cancellation |
JP2008263336A (ja) | 2007-04-11 | 2008-10-30 | Oki Electric Ind Co Ltd | エコーキャンセラおよびその残留エコー抑制方法 |
EP1981170A1 (en) | 2007-04-13 | 2008-10-15 | Global IP Solutions (GIPS) AB | Adaptive, scalable packet loss recovery |
US20080259731A1 (en) | 2007-04-17 | 2008-10-23 | Happonen Aki P | Methods and apparatuses for user controlled beamforming |
ATE473603T1 (de) | 2007-04-17 | 2010-07-15 | Harman Becker Automotive Sys | Akustische lokalisierung eines sprechers |
ITTV20070070A1 (it) | 2007-04-20 | 2008-10-21 | Swing S R L | Dispositivo trasduttore del suono. |
US20080279400A1 (en) | 2007-05-10 | 2008-11-13 | Reuven Knoll | System and method for capturing voice interactions in walk-in environments |
JP2008288785A (ja) | 2007-05-16 | 2008-11-27 | Yamaha Corp | テレビ会議装置 |
EP1995940B1 (en) | 2007-05-22 | 2011-09-07 | Harman Becker Automotive Systems GmbH | Method and apparatus for processing at least two microphone signals to provide an output signal with reduced interference |
US8229134B2 (en) | 2007-05-24 | 2012-07-24 | University Of Maryland | Audio camera using microphone arrays for real time capture of audio images and method for jointly processing the audio images with video images |
JP5338040B2 (ja) | 2007-06-04 | 2013-11-13 | ヤマハ株式会社 | 音声会議装置 |
CN101833954B (zh) | 2007-06-14 | 2012-07-11 | 华为终端有限公司 | 一种实现丢包隐藏的方法和装置 |
JP2008312002A (ja) | 2007-06-15 | 2008-12-25 | Yamaha Corp | テレビ会議装置 |
EP2171714B1 (en) | 2007-06-21 | 2012-08-15 | Koninklijke Philips Electronics N.V. | A device for and a method of processing audio signals |
US20090003586A1 (en) | 2007-06-28 | 2009-01-01 | Fortemedia, Inc. | Signal processor and method for canceling echo in a communication device |
US8903106B2 (en) | 2007-07-09 | 2014-12-02 | Mh Acoustics Llc | Augmented elliptical microphone array |
US8285554B2 (en) | 2007-07-27 | 2012-10-09 | Dsp Group Limited | Method and system for dynamic aliasing suppression |
USD589605S1 (en) | 2007-08-01 | 2009-03-31 | Trane International Inc. | Air inlet grille |
JP2009044600A (ja) | 2007-08-10 | 2009-02-26 | Panasonic Corp | マイクロホン装置およびその製造方法 |
CN101119323A (zh) | 2007-09-21 | 2008-02-06 | 腾讯科技(深圳)有限公司 | 解决网络抖动的方法及装置 |
US8064629B2 (en) | 2007-09-27 | 2011-11-22 | Peigen Jiang | Decorative loudspeaker grille |
US8175871B2 (en) | 2007-09-28 | 2012-05-08 | Qualcomm Incorporated | Apparatus and method of noise and echo reduction in multiple microphone audio systems |
US8095120B1 (en) | 2007-09-28 | 2012-01-10 | Avaya Inc. | System and method of synchronizing multiple microphone and speaker-equipped devices to create a conferenced area network |
KR101292206B1 (ko) | 2007-10-01 | 2013-08-01 | 삼성전자주식회사 | 어레이 스피커 시스템 및 그 구현 방법 |
KR101434200B1 (ko) | 2007-10-01 | 2014-08-26 | 삼성전자주식회사 | 혼합 사운드로부터의 음원 판별 방법 및 장치 |
JP5012387B2 (ja) | 2007-10-05 | 2012-08-29 | ヤマハ株式会社 | 音声処理システム |
US7832080B2 (en) | 2007-10-11 | 2010-11-16 | Etymotic Research, Inc. | Directional microphone assembly |
US8428661B2 (en) | 2007-10-30 | 2013-04-23 | Broadcom Corporation | Speech intelligibility in telephones with multiple microphones |
US8199927B1 (en) | 2007-10-31 | 2012-06-12 | ClearOnce Communications, Inc. | Conferencing system implementing echo cancellation and push-to-talk microphone detection using two-stage frequency filter |
US8290142B1 (en) | 2007-11-12 | 2012-10-16 | Clearone Communications, Inc. | Echo cancellation in a portable conferencing device with externally-produced audio |
DE602007012600D1 (de) | 2007-11-13 | 2011-03-31 | Akg Acoustics Gmbh | Mikrofonanordnung, die zwei druckgradientenwandler aufweist |
KR101415026B1 (ko) | 2007-11-19 | 2014-07-04 | 삼성전자주식회사 | 마이크로폰 어레이를 이용한 다채널 사운드 획득 방법 및장치 |
EP2063419B1 (en) | 2007-11-21 | 2012-04-18 | Nuance Communications, Inc. | Speaker localization |
KR101449433B1 (ko) | 2007-11-30 | 2014-10-13 | 삼성전자주식회사 | 마이크로폰을 통해 입력된 사운드 신호로부터 잡음을제거하는 방법 및 장치 |
JP5097523B2 (ja) | 2007-12-07 | 2012-12-12 | 船井電機株式会社 | 音声入力装置 |
US8433061B2 (en) | 2007-12-10 | 2013-04-30 | Microsoft Corporation | Reducing echo |
US8744069B2 (en) | 2007-12-10 | 2014-06-03 | Microsoft Corporation | Removing near-end frequencies from far-end sound |
US8219387B2 (en) | 2007-12-10 | 2012-07-10 | Microsoft Corporation | Identifying far-end sound |
US8175291B2 (en) | 2007-12-19 | 2012-05-08 | Qualcomm Incorporated | Systems, methods, and apparatus for multi-microphone based speech enhancement |
US20090173570A1 (en) | 2007-12-20 | 2009-07-09 | Levit Natalia V | Acoustically absorbent ceiling tile having barrier facing with diffuse reflectance |
USD604729S1 (en) | 2008-01-04 | 2009-11-24 | Apple Inc. | Electronic device |
US7765762B2 (en) | 2008-01-08 | 2010-08-03 | Usg Interiors, Inc. | Ceiling panel |
USD582391S1 (en) | 2008-01-17 | 2008-12-09 | Roland Corporation | Speaker |
USD595402S1 (en) | 2008-02-04 | 2009-06-30 | Panasonic Corporation | Ventilating fan for a ceiling |
WO2009105793A1 (en) | 2008-02-26 | 2009-09-03 | Akg Acoustics Gmbh | Transducer assembly |
JP5003531B2 (ja) | 2008-02-27 | 2012-08-15 | ヤマハ株式会社 | 音声会議システム |
US8503653B2 (en) | 2008-03-03 | 2013-08-06 | Alcatel Lucent | Method and apparatus for active speaker selection using microphone arrays and speaker recognition |
CN101960865A (zh) | 2008-03-03 | 2011-01-26 | 诺基亚公司 | 用于捕获和呈现多个音频声道的装置 |
US8873543B2 (en) | 2008-03-07 | 2014-10-28 | Arcsoft (Shanghai) Technology Company, Ltd. | Implementing a high quality VOIP device |
US8626080B2 (en) | 2008-03-11 | 2014-01-07 | Intel Corporation | Bidirectional iterative beam forming |
US8559611B2 (en) | 2008-04-07 | 2013-10-15 | Polycom, Inc. | Audio signal routing |
US9142221B2 (en) | 2008-04-07 | 2015-09-22 | Cambridge Silicon Radio Limited | Noise reduction |
US8582783B2 (en) | 2008-04-07 | 2013-11-12 | Dolby Laboratories Licensing Corporation | Surround sound generation from a microphone array |
US8379823B2 (en) | 2008-04-07 | 2013-02-19 | Polycom, Inc. | Distributed bridging |
US8284949B2 (en) | 2008-04-17 | 2012-10-09 | University Of Utah Research Foundation | Multi-channel acoustic echo cancellation system and method |
US8385557B2 (en) | 2008-06-19 | 2013-02-26 | Microsoft Corporation | Multichannel acoustic echo reduction |
US8109360B2 (en) | 2008-06-27 | 2012-02-07 | Rgb Systems, Inc. | Method and apparatus for a loudspeaker assembly |
US8631897B2 (en) | 2008-06-27 | 2014-01-21 | Rgb Systems, Inc. | Ceiling loudspeaker system |
US7861825B2 (en) | 2008-06-27 | 2011-01-04 | Rgb Systems, Inc. | Method and apparatus for a loudspeaker assembly |
US8276706B2 (en) | 2008-06-27 | 2012-10-02 | Rgb Systems, Inc. | Method and apparatus for a loudspeaker assembly |
US8672087B2 (en) | 2008-06-27 | 2014-03-18 | Rgb Systems, Inc. | Ceiling loudspeaker support system |
US8286749B2 (en) | 2008-06-27 | 2012-10-16 | Rgb Systems, Inc. | Ceiling loudspeaker system |
JP4991649B2 (ja) | 2008-07-02 | 2012-08-01 | パナソニック株式会社 | 音声信号処理装置 |
CN101388213B (zh) * | 2008-07-03 | 2012-02-22 | 天津大学 | 一种预回声控制方法 |
KR100901464B1 (ko) | 2008-07-03 | 2009-06-08 | (주)기가바이트씨앤씨 | 집음기 및 집음기 세트 |
EP2146519B1 (en) | 2008-07-16 | 2012-06-06 | Nuance Communications, Inc. | Beamforming pre-processing for speaker localization |
US20100011644A1 (en) | 2008-07-17 | 2010-01-21 | Kramer Eric J | Memorabilia display system |
JP5075042B2 (ja) | 2008-07-23 | 2012-11-14 | 日本電信電話株式会社 | エコー消去装置、エコー消去方法、そのプログラム、記録媒体 |
USD613338S1 (en) | 2008-07-31 | 2010-04-06 | Chris Marukos | Interchangeable advertising sign |
USD595736S1 (en) | 2008-08-15 | 2009-07-07 | Samsung Electronics Co., Ltd. | DVD player |
WO2010022453A1 (en) | 2008-08-29 | 2010-03-04 | Dev-Audio Pty Ltd | A microphone array system and method for sound acquisition |
US8605890B2 (en) | 2008-09-22 | 2013-12-10 | Microsoft Corporation | Multichannel acoustic echo cancellation |
EP2350683B1 (en) | 2008-10-06 | 2017-01-04 | Raytheon BBN Technologies Corp. | Wearable shooter localization system |
WO2010043998A1 (en) | 2008-10-16 | 2010-04-22 | Nxp B.V. | Microphone system and method of operating the same |
US8724829B2 (en) | 2008-10-24 | 2014-05-13 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for coherence detection |
US8041054B2 (en) | 2008-10-31 | 2011-10-18 | Continental Automotive Systems, Inc. | Systems and methods for selectively switching between multiple microphones |
JP5386936B2 (ja) | 2008-11-05 | 2014-01-15 | ヤマハ株式会社 | 放収音装置 |
US20100123785A1 (en) | 2008-11-17 | 2010-05-20 | Apple Inc. | Graphic Control for Directional Audio Input |
US8150063B2 (en) | 2008-11-25 | 2012-04-03 | Apple Inc. | Stabilizing directional audio input from a moving microphone array |
KR20100060457A (ko) | 2008-11-27 | 2010-06-07 | 삼성전자주식회사 | 이동통신 단말기의 동작모드 제어장치 및 방법 |
US8744101B1 (en) | 2008-12-05 | 2014-06-03 | Starkey Laboratories, Inc. | System for controlling the primary lobe of a hearing instrument's directional sensitivity pattern |
US8842851B2 (en) | 2008-12-12 | 2014-09-23 | Broadcom Corporation | Audio source localization system and method |
EP2197219B1 (en) | 2008-12-12 | 2012-10-24 | Nuance Communications, Inc. | Method for determining a time delay for time delay compensation |
US8259959B2 (en) | 2008-12-23 | 2012-09-04 | Cisco Technology, Inc. | Toroid microphone apparatus |
NO332961B1 (no) | 2008-12-23 | 2013-02-11 | Cisco Systems Int Sarl | Forhoyet toroidmikrofonapparat |
JP5446275B2 (ja) | 2009-01-08 | 2014-03-19 | ヤマハ株式会社 | 拡声システム |
NO333056B1 (no) | 2009-01-21 | 2013-02-25 | Cisco Systems Int Sarl | Direktiv mikrofon |
EP2211564B1 (en) | 2009-01-23 | 2014-09-10 | Harman Becker Automotive Systems GmbH | Passenger compartment communication system |
US8116499B2 (en) | 2009-01-23 | 2012-02-14 | John Grant | Microphone adaptor for altering the geometry of a microphone without altering its frequency response characteristics |
DE102009007891A1 (de) | 2009-02-07 | 2010-08-12 | Willsingh Wilson | Resonanz-Schallabsorber in mehrschichtiger Ausführung |
EP2393463B1 (en) | 2009-02-09 | 2016-09-21 | Waves Audio Ltd. | Multiple microphone based directional sound filter |
JP5304293B2 (ja) | 2009-02-10 | 2013-10-02 | ヤマハ株式会社 | 収音装置 |
DE102009010278B4 (de) | 2009-02-16 | 2018-12-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Lautsprecher |
EP2222091B1 (en) | 2009-02-23 | 2013-04-24 | Nuance Communications, Inc. | Method for determining a set of filter coefficients for an acoustic echo compensation means |
US20100217590A1 (en) | 2009-02-24 | 2010-08-26 | Broadcom Corporation | Speaker localization system and method |
CN101510426B (zh) | 2009-03-23 | 2013-03-27 | 北京中星微电子有限公司 | 一种噪声消除方法及系统 |
US8184180B2 (en) | 2009-03-25 | 2012-05-22 | Broadcom Corporation | Spatially synchronized audio and video capture |
CN101854573B (zh) | 2009-03-30 | 2014-12-24 | 富准精密工业(深圳)有限公司 | 音响结构及使用该音响结构的电子装置 |
GB0906269D0 (en) | 2009-04-09 | 2009-05-20 | Ntnu Technology Transfer As | Optimal modal beamformer for sensor arrays |
US8291670B2 (en) | 2009-04-29 | 2012-10-23 | E.M.E.H., Inc. | Modular entrance floor system |
US8483398B2 (en) | 2009-04-30 | 2013-07-09 | Hewlett-Packard Development Company, L.P. | Methods and systems for reducing acoustic echoes in multichannel communication systems by reducing the dimensionality of the space of impulse responses |
US8485700B2 (en) | 2009-05-05 | 2013-07-16 | Abl Ip Holding, Llc | Low profile OLED luminaire for grid ceilings |
CN102084650B (zh) | 2009-05-12 | 2013-10-09 | 华为终端有限公司 | 远程呈现系统、方法及视频采集设备 |
JP5169986B2 (ja) | 2009-05-13 | 2013-03-27 | 沖電気工業株式会社 | 電話装置、エコーキャンセラ及びエコーキャンセルプログラム |
JP5246044B2 (ja) | 2009-05-29 | 2013-07-24 | ヤマハ株式会社 | 音響装置 |
KR101676393B1 (ko) | 2009-06-02 | 2016-11-29 | 코닌클리케 필립스 엔.브이. | 어쿠스틱 다중―채널 캔슬레이션 |
US9140054B2 (en) | 2009-06-05 | 2015-09-22 | Oberbroeckling Development Company | Insert holding system |
US20100314513A1 (en) | 2009-06-12 | 2010-12-16 | Rgb Systems, Inc. | Method and apparatus for overhead equipment mounting |
US8204198B2 (en) | 2009-06-19 | 2012-06-19 | Magor Communications Corporation | Method and apparatus for selecting an audio stream |
JP2011015018A (ja) | 2009-06-30 | 2011-01-20 | Clarion Co Ltd | 自動音量制御装置 |
EP2846279A1 (en) | 2009-07-14 | 2015-03-11 | Visionarist Co., LTD. | Image data display system and image data display program |
JP5347794B2 (ja) | 2009-07-21 | 2013-11-20 | ヤマハ株式会社 | エコー抑圧方法およびその装置 |
FR2948484B1 (fr) | 2009-07-23 | 2011-07-29 | Parrot | Procede de filtrage des bruits lateraux non-stationnaires pour un dispositif audio multi-microphone, notamment un dispositif telephonique "mains libres" pour vehicule automobile |
USD614871S1 (en) | 2009-08-07 | 2010-05-04 | Hon Hai Precision Industry Co., Ltd. | Digital photo frame |
US8233352B2 (en) | 2009-08-17 | 2012-07-31 | Broadcom Corporation | Audio source localization system and method |
GB2473267A (en) | 2009-09-07 | 2011-03-09 | Nokia Corp | Processing audio signals to reduce noise |
JP5452158B2 (ja) | 2009-10-07 | 2014-03-26 | 株式会社日立製作所 | 音響監視システム、及び音声集音システム |
GB201011530D0 (en) | 2010-07-08 | 2010-08-25 | Berry Michael T | Encasements comprising phase change materials |
JP5347902B2 (ja) | 2009-10-22 | 2013-11-20 | ヤマハ株式会社 | 音響処理装置 |
US20110096915A1 (en) | 2009-10-23 | 2011-04-28 | Broadcom Corporation | Audio spatialization for conference calls with multiple and moving talkers |
USD643015S1 (en) | 2009-11-05 | 2011-08-09 | Lg Electronics Inc. | Speaker for home theater |
CN102860039B (zh) | 2009-11-12 | 2016-10-19 | 罗伯特·亨利·弗莱特 | 免提电话和/或麦克风阵列以及使用它们的方法和系统 |
US8515109B2 (en) | 2009-11-19 | 2013-08-20 | Gn Resound A/S | Hearing aid with beamforming capability |
US8724798B2 (en) * | 2009-11-20 | 2014-05-13 | Adobe Systems Incorporated | System and method for acoustic echo cancellation using spectral decomposition |
USD617441S1 (en) | 2009-11-30 | 2010-06-08 | Panasonic Corporation | Ceiling ventilating fan |
CH702399B1 (fr) | 2009-12-02 | 2018-05-15 | Veovox Sa | Appareil et procédé pour la saisie et le traitement de la voix. |
US9147385B2 (en) | 2009-12-15 | 2015-09-29 | Smule, Inc. | Continuous score-coded pitch correction |
EP2517481A4 (en) | 2009-12-22 | 2015-06-03 | Mh Acoustics Llc | SURFACE MOUNTED MICROPHONE ARRAYS ON FLEXIBLE PRINTED CIRCUIT BOARDS |
US8634569B2 (en) | 2010-01-08 | 2014-01-21 | Conexant Systems, Inc. | Systems and methods for echo cancellation and echo suppression |
EP2360940A1 (en) | 2010-01-19 | 2011-08-24 | Televic NV. | Steerable microphone array system with a first order directional pattern |
USD658153S1 (en) | 2010-01-25 | 2012-04-24 | Lg Electronics Inc. | Home theater receiver |
US8583481B2 (en) | 2010-02-12 | 2013-11-12 | Walter Viveiros | Portable interactive modular selling room |
CN102771144B (zh) | 2010-02-19 | 2015-03-25 | 西门子医疗器械公司 | 用于方向相关空间噪声减低的设备和方法 |
JP5550406B2 (ja) | 2010-03-23 | 2014-07-16 | 株式会社オーディオテクニカ | 可変指向性マイクロホン |
USD642385S1 (en) | 2010-03-31 | 2011-08-02 | Samsung Electronics Co., Ltd. | Electronic frame |
CN101860776B (zh) | 2010-05-07 | 2013-08-21 | 中国科学院声学研究所 | 一种平面螺旋形传声器阵列 |
US8395653B2 (en) | 2010-05-18 | 2013-03-12 | Polycom, Inc. | Videoconferencing endpoint having multiple voice-tracking cameras |
US8515089B2 (en) | 2010-06-04 | 2013-08-20 | Apple Inc. | Active noise cancellation decisions in a portable audio device |
USD636188S1 (en) | 2010-06-17 | 2011-04-19 | Samsung Electronics Co., Ltd. | Electronic frame |
USD655271S1 (en) | 2010-06-17 | 2012-03-06 | Lg Electronics Inc. | Home theater receiver |
US9094496B2 (en) | 2010-06-18 | 2015-07-28 | Avaya Inc. | System and method for stereophonic acoustic echo cancellation |
WO2012009689A1 (en) | 2010-07-15 | 2012-01-19 | Aliph, Inc. | Wireless conference call telephone |
US8638951B2 (en) | 2010-07-15 | 2014-01-28 | Motorola Mobility Llc | Electronic apparatus for generating modified wideband audio signals based on two or more wideband microphone signals |
US8755174B2 (en) | 2010-07-16 | 2014-06-17 | Ensco, Inc. | Media appliance and method for use of same |
US9769519B2 (en) | 2010-07-16 | 2017-09-19 | Enseo, Inc. | Media appliance and method for use of same |
US8965546B2 (en) | 2010-07-26 | 2015-02-24 | Qualcomm Incorporated | Systems, methods, and apparatus for enhanced acoustic imaging |
US9172345B2 (en) | 2010-07-27 | 2015-10-27 | Bitwave Pte Ltd | Personalized adjustment of an audio device |
US9422517B2 (en) * | 2010-07-30 | 2016-08-23 | The General Hospital Corporation | Microscale and nanoscale structures for manipulating particles |
CN101894558A (zh) | 2010-08-04 | 2010-11-24 | 华为技术有限公司 | 丢帧恢复方法、设备以及语音增强方法、设备和系统 |
BR112012031656A2 (pt) | 2010-08-25 | 2016-11-08 | Asahi Chemical Ind | dispositivo, e método de separação de fontes sonoras, e, programa |
KR101750338B1 (ko) | 2010-09-13 | 2017-06-23 | 삼성전자주식회사 | 마이크의 빔포밍 수행 방법 및 장치 |
US8861756B2 (en) | 2010-09-24 | 2014-10-14 | LI Creative Technologies, Inc. | Microphone array system |
US9008302B2 (en) * | 2010-10-08 | 2015-04-14 | Optical Fusion, Inc. | Audio acoustic echo cancellation for video conferencing |
US8553904B2 (en) | 2010-10-14 | 2013-10-08 | Hewlett-Packard Development Company, L.P. | Systems and methods for performing sound source localization |
US8976977B2 (en) | 2010-10-15 | 2015-03-10 | King's College London | Microphone array |
US9552840B2 (en) | 2010-10-25 | 2017-01-24 | Qualcomm Incorporated | Three-dimensional sound capturing and reproducing with multi-microphones |
US9031256B2 (en) | 2010-10-25 | 2015-05-12 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for orientation-sensitive recording control |
EP2448289A1 (en) | 2010-10-28 | 2012-05-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for deriving a directional information and computer program product |
KR101715779B1 (ko) | 2010-11-09 | 2017-03-13 | 삼성전자주식회사 | 음원 신호 처리 장치 및 그 방법 |
US11120818B2 (en) | 2010-11-12 | 2021-09-14 | Nokia Technologies Oy | Processing audio with a visual representation of an audio source |
WO2012068174A2 (en) | 2010-11-15 | 2012-05-24 | The Regents Of The University Of California | Method for controlling a speaker array to provide spatialized, localized, and binaural virtual surround sound |
US8761412B2 (en) | 2010-12-16 | 2014-06-24 | Sony Computer Entertainment Inc. | Microphone array steering with image-based source location |
US20130294616A1 (en) | 2010-12-20 | 2013-11-07 | Phonak Ag | Method and system for speech enhancement in a room |
WO2012083989A1 (en) | 2010-12-22 | 2012-06-28 | Sony Ericsson Mobile Communications Ab | Method of controlling audio recording and electronic device |
KR101761312B1 (ko) | 2010-12-23 | 2017-07-25 | 삼성전자주식회사 | 마이크 어레이를 이용한 방향성 음원 필터링 장치 및 그 제어방법 |
KR101852569B1 (ko) | 2011-01-04 | 2018-06-12 | 삼성전자주식회사 | 은닉 마이크로폰 배치 구조를 가진 마이크로폰 어레이 장치 및 그 마이크로폰 어레이 장치를 포함한 음향 신호 처리 장치 |
US8525868B2 (en) | 2011-01-13 | 2013-09-03 | Qualcomm Incorporated | Variable beamforming with a mobile platform |
JP5395822B2 (ja) | 2011-02-07 | 2014-01-22 | 日本電信電話株式会社 | ズームマイク装置 |
US9100735B1 (en) | 2011-02-10 | 2015-08-04 | Dolby Laboratories Licensing Corporation | Vector noise cancellation |
US20120207335A1 (en) | 2011-02-14 | 2012-08-16 | Nxp B.V. | Ported mems microphone |
US9354310B2 (en) | 2011-03-03 | 2016-05-31 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for source localization using audible sound and ultrasound |
EP2681929A1 (en) | 2011-03-03 | 2014-01-08 | David Clark Company Incorporated | Voice activation system and method and communication system and method using the same |
US8929564B2 (en) | 2011-03-03 | 2015-01-06 | Microsoft Corporation | Noise adaptive beamforming for microphone arrays |
WO2012122132A1 (en) | 2011-03-04 | 2012-09-13 | University Of Washington | Dynamic distribution of acoustic energy in a projected sound field and associated systems and methods |
US8942382B2 (en) | 2011-03-22 | 2015-01-27 | Mh Acoustics Llc | Dynamic beamformer processing for acoustic echo cancellation in systems with high acoustic coupling |
KR20120108137A (ko) * | 2011-03-23 | 2012-10-05 | 주식회사 나무가 | 에코제거장치 및 에코제거방법 |
US8676728B1 (en) | 2011-03-30 | 2014-03-18 | Rawles Llc | Sound localization with artificial neural network |
US8620650B2 (en) | 2011-04-01 | 2013-12-31 | Bose Corporation | Rejecting noise with paired microphones |
US8811601B2 (en) | 2011-04-04 | 2014-08-19 | Qualcomm Incorporated | Integrated echo cancellation and noise suppression |
US20120262536A1 (en) | 2011-04-14 | 2012-10-18 | Microsoft Corporation | Stereophonic teleconferencing using a microphone array |
GB2494849A (en) | 2011-04-14 | 2013-03-27 | Orbitsound Ltd | Microphone assembly |
US9635474B2 (en) | 2011-05-23 | 2017-04-25 | Sonova Ag | Method of processing a signal in a hearing instrument, and hearing instrument |
USD682266S1 (en) | 2011-05-23 | 2013-05-14 | Arcadyan Technology Corporation | WLAN ADSL device |
WO2012160459A1 (en) | 2011-05-24 | 2012-11-29 | Koninklijke Philips Electronics N.V. | Privacy sound system |
USD656473S1 (en) | 2011-06-11 | 2012-03-27 | Amx Llc | Wall display |
US9264553B2 (en) | 2011-06-11 | 2016-02-16 | Clearone Communications, Inc. | Methods and apparatuses for echo cancelation with beamforming microphone arrays |
US9215327B2 (en) | 2011-06-11 | 2015-12-15 | Clearone Communications, Inc. | Methods and apparatuses for multi-channel acoustic echo cancelation |
CA2838856A1 (en) | 2011-06-14 | 2012-12-20 | Rgb Systems, Inc. | Ceiling loudspeaker system |
CN102833664A (zh) | 2011-06-15 | 2012-12-19 | Rgb系统公司 | 天花板扩音器系统 |
US9973848B2 (en) | 2011-06-21 | 2018-05-15 | Amazon Technologies, Inc. | Signal-enhancing beamforming in an augmented reality environment |
JP5799619B2 (ja) | 2011-06-24 | 2015-10-28 | 船井電機株式会社 | マイクロホンユニット |
DE102011051727A1 (de) | 2011-07-11 | 2013-01-17 | Pinta Acoustic Gmbh | Verfahren und Vorrichtung zur aktiven Schallmaskierung |
US9066055B2 (en) | 2011-07-27 | 2015-06-23 | Texas Instruments Incorporated | Power supply architectures for televisions and other powered devices |
JP5289517B2 (ja) | 2011-07-28 | 2013-09-11 | 株式会社半導体理工学研究センター | センサネットワークシステムとその通信方法 |
EP2552128A1 (en) | 2011-07-29 | 2013-01-30 | Sonion Nederland B.V. | A dual cartridge directional microphone |
CN102915737B (zh) | 2011-07-31 | 2018-01-19 | 中兴通讯股份有限公司 | 一种浊音起始帧后丢帧的补偿方法和装置 |
US9253567B2 (en) | 2011-08-31 | 2016-02-02 | Stmicroelectronics S.R.L. | Array microphone apparatus for generating a beam forming signal and beam forming method thereof |
US10015589B1 (en) | 2011-09-02 | 2018-07-03 | Cirrus Logic, Inc. | Controlling speech enhancement algorithms using near-field spatial statistics |
USD678329S1 (en) | 2011-09-21 | 2013-03-19 | Samsung Electronics Co., Ltd. | Portable multimedia terminal |
USD686182S1 (en) | 2011-09-26 | 2013-07-16 | Nakayo Telecommunications, Inc. | Audio equipment for audio teleconferences |
KR101751749B1 (ko) | 2011-09-27 | 2017-07-03 | 한국전자통신연구원 | 이차원 지향성 스피커 어레이 모듈 |
GB2495130B (en) | 2011-09-30 | 2018-10-24 | Skype | Processing audio signals |
JP5685173B2 (ja) | 2011-10-04 | 2015-03-18 | Toa株式会社 | 拡声システム |
JP5668664B2 (ja) | 2011-10-12 | 2015-02-12 | 船井電機株式会社 | マイクロホン装置、マイクロホン装置を備えた電子機器、マイクロホン装置の製造方法、マイクロホン装置用基板およびマイクロホン装置用基板の製造方法 |
US9143879B2 (en) | 2011-10-19 | 2015-09-22 | James Keith McElveen | Directional audio array apparatus and system |
USD693328S1 (en) | 2011-11-09 | 2013-11-12 | Sony Corporation | Speaker box |
GB201120392D0 (en) | 2011-11-25 | 2012-01-11 | Skype Ltd | Processing signals |
US8983089B1 (en) | 2011-11-28 | 2015-03-17 | Rawles Llc | Sound source localization using multiple microphone arrays |
KR101282673B1 (ko) | 2011-12-09 | 2013-07-05 | 현대자동차주식회사 | 음원 위치 추정 방법 |
US9408011B2 (en) | 2011-12-19 | 2016-08-02 | Qualcomm Incorporated | Automated user/sensor location recognition to customize audio performance in a distributed multi-sensor environment |
US9076426B2 (en) * | 2011-12-20 | 2015-07-07 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Training an echo canceller in severe noise |
USD687432S1 (en) | 2011-12-28 | 2013-08-06 | Hon Hai Precision Industry Co., Ltd. | Tablet personal computer |
US9197974B1 (en) | 2012-01-06 | 2015-11-24 | Audience, Inc. | Directional audio capture adaptation based on alternative sensory input |
US8511429B1 (en) | 2012-02-13 | 2013-08-20 | Usg Interiors, Llc | Ceiling panels made from corrugated cardboard |
JP5741487B2 (ja) | 2012-02-29 | 2015-07-01 | オムロン株式会社 | マイクロフォン |
USD699712S1 (en) | 2012-02-29 | 2014-02-18 | Clearone Communications, Inc. | Beamforming microphone |
WO2013144609A1 (en) | 2012-03-26 | 2013-10-03 | University Of Surrey | Acoustic source separation |
CN102646418B (zh) | 2012-03-29 | 2014-07-23 | 北京华夏电通科技股份有限公司 | 一种远程音频交互的多路声学回音消除方法及系统 |
CN104395957B (zh) | 2012-04-30 | 2018-02-13 | 创新科技有限公司 | 一种通用可重构回声消除系统 |
US9336792B2 (en) | 2012-05-07 | 2016-05-10 | Marvell World Trade Ltd. | Systems and methods for voice enhancement in audio conference |
US9423870B2 (en) | 2012-05-08 | 2016-08-23 | Google Inc. | Input determination method |
US9736604B2 (en) | 2012-05-11 | 2017-08-15 | Qualcomm Incorporated | Audio user interaction recognition and context refinement |
US20130329908A1 (en) | 2012-06-08 | 2013-12-12 | Apple Inc. | Adjusting audio beamforming settings based on system state |
US20130332156A1 (en) | 2012-06-11 | 2013-12-12 | Apple Inc. | Sensor Fusion to Improve Speech/Audio Processing in a Mobile Device |
US20130343549A1 (en) | 2012-06-22 | 2013-12-26 | Verisilicon Holdings Co., Ltd. | Microphone arrays for generating stereo and surround channels, method of operation thereof and module incorporating the same |
US9560446B1 (en) | 2012-06-27 | 2017-01-31 | Amazon Technologies, Inc. | Sound source locator with distributed microphone array |
US20140003635A1 (en) | 2012-07-02 | 2014-01-02 | Qualcomm Incorporated | Audio signal processing device calibration |
US9065901B2 (en) | 2012-07-03 | 2015-06-23 | Harris Corporation | Electronic communication devices with integrated microphones |
CN104429096B (zh) | 2012-07-13 | 2017-03-08 | 雷蛇(亚太)私人有限公司 | 音频信号输出装置和处理音频信号的方法 |
US20140016794A1 (en) | 2012-07-13 | 2014-01-16 | Conexant Systems, Inc. | Echo cancellation system and method with multiple microphones and multiple speakers |
JP6102923B2 (ja) | 2012-07-27 | 2017-03-29 | ソニー株式会社 | 情報処理システムおよび記憶媒体 |
US9258644B2 (en) | 2012-07-27 | 2016-02-09 | Nokia Technologies Oy | Method and apparatus for microphone beamforming |
US9094768B2 (en) | 2012-08-02 | 2015-07-28 | Crestron Electronics Inc. | Loudspeaker calibration using multiple wireless microphones |
CN102821336B (zh) | 2012-08-08 | 2015-01-21 | 英爵音响(上海)有限公司 | 吸顶式平板音响 |
US9113243B2 (en) | 2012-08-16 | 2015-08-18 | Cisco Technology, Inc. | Method and system for obtaining an audio signal |
USD725059S1 (en) | 2012-08-29 | 2015-03-24 | Samsung Electronics Co., Ltd. | Television receiver |
US9031262B2 (en) | 2012-09-04 | 2015-05-12 | Avid Technology, Inc. | Distributed, self-scaling, network-based architecture for sound reinforcement, mixing, and monitoring |
US8873789B2 (en) | 2012-09-06 | 2014-10-28 | Audix Corporation | Articulating microphone mount |
US9088336B2 (en) | 2012-09-06 | 2015-07-21 | Imagination Technologies Limited | Systems and methods of echo and noise cancellation in voice communication |
TWI606731B (zh) | 2012-09-10 | 2017-11-21 | 博世股份有限公司 | 麥克風封裝件及製造麥克風封裝件之方法 |
WO2014037765A1 (en) | 2012-09-10 | 2014-03-13 | Nokia Corporation | Detection of a microphone impairment and automatic microphone switching |
USD685346S1 (en) | 2012-09-14 | 2013-07-02 | Research In Motion Limited | Speaker |
US8987842B2 (en) | 2012-09-14 | 2015-03-24 | Solid State System Co., Ltd. | Microelectromechanical system (MEMS) device and fabrication method thereof |
US9549253B2 (en) | 2012-09-26 | 2017-01-17 | Foundation for Research and Technology—Hellas (FORTH) Institute of Computer Science (ICS) | Sound source localization and isolation apparatuses, methods and systems |
WO2014055312A1 (en) | 2012-10-02 | 2014-04-10 | Mh Acoustics, Llc | Earphones having configurable microphone arrays |
US9264799B2 (en) | 2012-10-04 | 2016-02-16 | Siemens Aktiengesellschaft | Method and apparatus for acoustic area monitoring by exploiting ultra large scale arrays of microphones |
US9615172B2 (en) | 2012-10-04 | 2017-04-04 | Siemens Aktiengesellschaft | Broadband sensor location selection using convex optimization in very large scale arrays |
US20140098233A1 (en) | 2012-10-05 | 2014-04-10 | Sensormatic Electronics, LLC | Access Control Reader with Audio Spatial Filtering |
US9232310B2 (en) | 2012-10-15 | 2016-01-05 | Nokia Technologies Oy | Methods, apparatuses and computer program products for facilitating directional audio capture with multiple microphones |
PL401372A1 (pl) | 2012-10-26 | 2014-04-28 | Ivona Software Spółka Z Ograniczoną Odpowiedzialnością | Hybrydowa kompresja danych głosowych w systemach zamiany tekstu na mowę |
US9247367B2 (en) | 2012-10-31 | 2016-01-26 | International Business Machines Corporation | Management system with acoustical measurement for monitoring noise levels |
US9232185B2 (en) | 2012-11-20 | 2016-01-05 | Clearone Communications, Inc. | Audio conferencing system for all-in-one displays |
WO2014085978A1 (en) | 2012-12-04 | 2014-06-12 | Northwestern Polytechnical University | Low noise differential microphone arrays |
CN103888630A (zh) | 2012-12-20 | 2014-06-25 | 杜比实验室特许公司 | 用于控制声学回声消除的方法和音频处理装置 |
JP6074263B2 (ja) | 2012-12-27 | 2017-02-01 | キヤノン株式会社 | 雑音抑圧装置及びその制御方法 |
CN103903627B (zh) | 2012-12-27 | 2018-06-19 | 中兴通讯股份有限公司 | 一种语音数据的传输方法及装置 |
JP2014143678A (ja) | 2012-12-27 | 2014-08-07 | Panasonic Corp | 音声処理システム及び音声処理方法 |
USD735717S1 (en) | 2012-12-29 | 2015-08-04 | Intel Corporation | Electronic display device |
TWI593294B (zh) | 2013-02-07 | 2017-07-21 | 晨星半導體股份有限公司 | 收音系統與相關方法 |
JP6253031B2 (ja) | 2013-02-15 | 2017-12-27 | パナソニックIpマネジメント株式会社 | キャリブレーション方法 |
TWM457212U (zh) | 2013-02-21 | 2013-07-11 | Chi Mei Comm Systems Inc | 殼體組件 |
US9167326B2 (en) | 2013-02-21 | 2015-10-20 | Core Brands, Llc | In-wall multiple-bay loudspeaker system |
US9294839B2 (en) | 2013-03-01 | 2016-03-22 | Clearone, Inc. | Augmentation of a beamforming microphone array with non-beamforming microphones |
KR20180097786A (ko) | 2013-03-05 | 2018-08-31 | 애플 인크. | 하나 이상의 청취자들의 위치에 기초한 스피커 어레이의 빔 패턴의 조정 |
CN104053088A (zh) | 2013-03-11 | 2014-09-17 | 联想(北京)有限公司 | 一种麦克风阵列调整方法、麦克风阵列及电子设备 |
US9877580B2 (en) | 2013-03-14 | 2018-01-30 | Rgb Systems, Inc. | Suspended ceiling-mountable enclosure |
US9319799B2 (en) | 2013-03-14 | 2016-04-19 | Robert Bosch Gmbh | Microphone package with integrated substrate |
US9516428B2 (en) | 2013-03-14 | 2016-12-06 | Infineon Technologies Ag | MEMS acoustic transducer, MEMS microphone, MEMS microspeaker, array of speakers and method for manufacturing an acoustic transducer |
US20140357177A1 (en) | 2013-03-14 | 2014-12-04 | Rgb Systems, Inc. | Suspended ceiling-mountable enclosure |
US20170206064A1 (en) | 2013-03-15 | 2017-07-20 | JIBO, Inc. | Persistent companion device configuration and deployment platform |
US9661418B2 (en) | 2013-03-15 | 2017-05-23 | Loud Technologies Inc | Method and system for large scale audio system |
US8861713B2 (en) | 2013-03-17 | 2014-10-14 | Texas Instruments Incorporated | Clipping based on cepstral distance for acoustic echo canceller |
WO2014147442A1 (en) | 2013-03-20 | 2014-09-25 | Nokia Corporation | Spatial audio apparatus |
CN104065798B (zh) | 2013-03-21 | 2016-08-03 | 华为技术有限公司 | 声音信号处理方法及设备 |
MX344182B (es) | 2013-03-29 | 2016-12-08 | Nissan Motor | Dispositivo de soporte de micrófonos para localización de fuente de sonido. |
TWI486002B (zh) | 2013-03-29 | 2015-05-21 | Hon Hai Prec Ind Co Ltd | 可消除干擾的電子裝置 |
US9491561B2 (en) * | 2013-04-11 | 2016-11-08 | Broadcom Corporation | Acoustic echo cancellation with internal upmixing |
US9038301B2 (en) | 2013-04-15 | 2015-05-26 | Rose Displays Ltd. | Illuminable panel frame assembly arrangement |
EP2992687B1 (en) | 2013-04-29 | 2018-06-06 | University Of Surrey | Microphone array for acoustic source separation |
US9936290B2 (en) | 2013-05-03 | 2018-04-03 | Qualcomm Incorporated | Multi-channel echo cancellation and noise suppression |
WO2014188231A1 (en) | 2013-05-22 | 2014-11-27 | Nokia Corporation | A shared audio scene apparatus |
JP6439687B2 (ja) | 2013-05-23 | 2018-12-19 | 日本電気株式会社 | 音声処理システム、音声処理方法、音声処理プログラム、音声処理システムを搭載した車両、および、マイク設置方法 |
GB201309781D0 (en) | 2013-05-31 | 2013-07-17 | Microsoft Corp | Echo cancellation |
US9357080B2 (en) | 2013-06-04 | 2016-05-31 | Broadcom Corporation | Spatial quiescence protection for multi-channel acoustic echo cancellation |
US20140363008A1 (en) | 2013-06-05 | 2014-12-11 | DSP Group | Use of vibration sensor in acoustic echo cancellation |
JP6132910B2 (ja) | 2013-06-11 | 2017-05-24 | Toa株式会社 | マイクロホン装置 |
SG11201510418PA (en) | 2013-06-18 | 2016-01-28 | Creative Tech Ltd | Headset with end-firing microphone array and automatic calibration of end-firing array |
USD717272S1 (en) | 2013-06-24 | 2014-11-11 | Lg Electronics Inc. | Speaker |
USD743376S1 (en) | 2013-06-25 | 2015-11-17 | Lg Electronics Inc. | Speaker |
EP2819430A1 (en) | 2013-06-27 | 2014-12-31 | Speech Processing Solutions GmbH | Handheld mobile recording device with microphone characteristic selection means |
DE102013213717A1 (de) | 2013-07-12 | 2015-01-15 | Robert Bosch Gmbh | MEMS-Bauelement mit einer Mikrofonstruktur und Verfahren zu dessen Herstellung |
US9426598B2 (en) | 2013-07-15 | 2016-08-23 | Dts, Inc. | Spatial calibration of surround sound systems including listener position estimation |
US9257132B2 (en) | 2013-07-16 | 2016-02-09 | Texas Instruments Incorporated | Dominant speech extraction in the presence of diffused and directional noise sources |
USD756502S1 (en) | 2013-07-23 | 2016-05-17 | Applied Materials, Inc. | Gas diffuser assembly |
JP2015027124A (ja) | 2013-07-24 | 2015-02-05 | 船井電機株式会社 | 給電システム、電子機器、ケーブル、プログラム |
US9445196B2 (en) | 2013-07-24 | 2016-09-13 | Mh Acoustics Llc | Inter-channel coherence reduction for stereophonic and multichannel acoustic echo cancellation |
USD725631S1 (en) | 2013-07-31 | 2015-03-31 | Sol Republic Inc. | Speaker |
CN104347076B (zh) | 2013-08-09 | 2017-07-14 | 中国电信股份有限公司 | 网络音频丢包掩蔽方法和装置 |
US9319532B2 (en) | 2013-08-15 | 2016-04-19 | Cisco Technology, Inc. | Acoustic echo cancellation for audio system with bring your own devices (BYOD) |
US9203494B2 (en) | 2013-08-20 | 2015-12-01 | Broadcom Corporation | Communication device with beamforming and methods for use therewith |
USD726144S1 (en) | 2013-08-23 | 2015-04-07 | Panasonic Intellectual Property Management Co., Ltd. | Wireless speaker |
GB2517690B (en) | 2013-08-26 | 2017-02-08 | Canon Kk | Method and device for localizing sound sources placed within a sound environment comprising ambient noise |
USD729767S1 (en) | 2013-09-04 | 2015-05-19 | Samsung Electronics Co., Ltd. | Speaker |
US9549079B2 (en) | 2013-09-05 | 2017-01-17 | Cisco Technology, Inc. | Acoustic echo cancellation for microphone array with dynamically changing beam forming |
US20150070188A1 (en) | 2013-09-09 | 2015-03-12 | Soil IQ, Inc. | Monitoring device and method of use |
US9763004B2 (en) | 2013-09-17 | 2017-09-12 | Alcatel Lucent | Systems and methods for audio conferencing |
GB2512155B (en) * | 2013-09-18 | 2015-05-06 | Imagination Tech Ltd | Acoustic echo cancellation |
CN104464739B (zh) | 2013-09-18 | 2017-08-11 | 华为技术有限公司 | 音频信号处理方法及装置、差分波束形成方法及装置 |
US9591404B1 (en) | 2013-09-27 | 2017-03-07 | Amazon Technologies, Inc. | Beamformer design using constrained convex optimization in three-dimensional space |
US20150097719A1 (en) | 2013-10-03 | 2015-04-09 | Sulon Technologies Inc. | System and method for active reference positioning in an augmented reality environment |
US9466317B2 (en) | 2013-10-11 | 2016-10-11 | Facebook, Inc. | Generating a reference audio fingerprint for an audio signal associated with an event |
EP2866465B1 (en) | 2013-10-25 | 2020-07-22 | Harman Becker Automotive Systems GmbH | Spherical microphone array |
US20150118960A1 (en) | 2013-10-28 | 2015-04-30 | Aliphcom | Wearable communication device |
US9215543B2 (en) | 2013-12-03 | 2015-12-15 | Cisco Technology, Inc. | Microphone mute/unmute notification |
USD727968S1 (en) | 2013-12-17 | 2015-04-28 | Panasonic Intellectual Property Management Co., Ltd. | Digital video disc player |
US20150185825A1 (en) | 2013-12-30 | 2015-07-02 | Daqri, Llc | Assigning a virtual user interface to a physical object |
USD718731S1 (en) | 2014-01-02 | 2014-12-02 | Samsung Electronics Co., Ltd. | Television receiver |
JP6289121B2 (ja) | 2014-01-23 | 2018-03-07 | キヤノン株式会社 | 音響信号処理装置、動画撮影装置およびそれらの制御方法 |
EP3105942B1 (en) | 2014-02-10 | 2018-07-25 | Bose Corporation | Conversation assistance system |
WO2015123658A1 (en) | 2014-02-14 | 2015-08-20 | Sonic Blocks, Inc. | Modular quick-connect a/v system and methods thereof |
JP6281336B2 (ja) | 2014-03-12 | 2018-02-21 | 沖電気工業株式会社 | 音声復号化装置及びプログラム |
US9226062B2 (en) | 2014-03-18 | 2015-12-29 | Cisco Technology, Inc. | Techniques to mitigate the effect of blocked sound at microphone arrays in a telepresence device |
US9432768B1 (en) | 2014-03-28 | 2016-08-30 | Amazon Technologies, Inc. | Beam forming for a wearable computer |
US20150281832A1 (en) | 2014-03-28 | 2015-10-01 | Panasonic Intellectual Property Management Co., Ltd. | Sound processing apparatus, sound processing system and sound processing method |
US20150281834A1 (en) | 2014-03-28 | 2015-10-01 | Funai Electric Co., Ltd. | Microphone device and microphone unit |
US9516412B2 (en) | 2014-03-28 | 2016-12-06 | Panasonic Intellectual Property Management Co., Ltd. | Directivity control apparatus, directivity control method, storage medium and directivity control system |
GB2521881B (en) | 2014-04-02 | 2016-02-10 | Imagination Tech Ltd | Auto-tuning of non-linear processor threshold |
GB2519392B (en) | 2014-04-02 | 2016-02-24 | Imagination Tech Ltd | Auto-tuning of an acoustic echo canceller |
JP6349899B2 (ja) * | 2014-04-14 | 2018-07-04 | ヤマハ株式会社 | 放収音装置 |
US10182280B2 (en) | 2014-04-23 | 2019-01-15 | Panasonic Intellectual Property Management Co., Ltd. | Sound processing apparatus, sound processing system and sound processing method |
USD743939S1 (en) | 2014-04-28 | 2015-11-24 | Samsung Electronics Co., Ltd. | Speaker |
US9414153B2 (en) | 2014-05-08 | 2016-08-09 | Panasonic Intellectual Property Management Co., Ltd. | Directivity control apparatus, directivity control method, storage medium and directivity control system |
WO2015181727A2 (en) | 2014-05-26 | 2015-12-03 | Vladimir Sherman | Methods circuits devices systems and associated computer executable code for acquiring acoustic signals |
USD740279S1 (en) | 2014-05-29 | 2015-10-06 | Compal Electronics, Inc. | Chromebook with trapezoid shape |
DE102014217344A1 (de) | 2014-06-05 | 2015-12-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Lautsprechersystem |
CN104036784B (zh) | 2014-06-06 | 2017-03-08 | 华为技术有限公司 | 一种回声消除方法及装置 |
JP1525681S (ja) | 2014-06-18 | 2017-05-22 | ||
US9589556B2 (en) | 2014-06-19 | 2017-03-07 | Yang Gao | Energy adjustment of acoustic echo replica signal for speech enhancement |
USD737245S1 (en) | 2014-07-03 | 2015-08-25 | Wall Audio, Inc. | Planar loudspeaker |
USD754092S1 (en) | 2014-07-11 | 2016-04-19 | Harman International Industries, Incorporated | Portable loudspeaker |
JP6149818B2 (ja) | 2014-07-18 | 2017-06-21 | 沖電気工業株式会社 | 収音再生システム、収音再生装置、収音再生方法、収音再生プログラム、収音システム及び再生システム |
CN107155344A (zh) | 2014-07-23 | 2017-09-12 | 澳大利亚国立大学 | 平面传感器阵列 |
US9762742B2 (en) | 2014-07-24 | 2017-09-12 | Conexant Systems, Llc | Robust acoustic echo cancellation for loosely paired devices based on semi-blind multichannel demixing |
JP6210458B2 (ja) | 2014-07-30 | 2017-10-11 | パナソニックIpマネジメント株式会社 | 故障検知システム及び故障検知方法 |
JP6446893B2 (ja) | 2014-07-31 | 2019-01-09 | 富士通株式会社 | エコー抑圧装置、エコー抑圧方法及びエコー抑圧用コンピュータプログラム |
US20160031700A1 (en) | 2014-08-01 | 2016-02-04 | Pixtronix, Inc. | Microelectromechanical microphone |
US9326060B2 (en) | 2014-08-04 | 2016-04-26 | Apple Inc. | Beamforming in varying sound pressure level |
JP6202277B2 (ja) | 2014-08-05 | 2017-09-27 | パナソニックIpマネジメント株式会社 | 音声処理システム及び音声処理方法 |
JP6336087B2 (ja) | 2014-08-13 | 2018-06-06 | 三菱電機株式会社 | エコーキャンセラ装置 |
US9940944B2 (en) | 2014-08-19 | 2018-04-10 | Qualcomm Incorporated | Smart mute for a communication device |
WO2016033269A1 (en) | 2014-08-28 | 2016-03-03 | Analog Devices, Inc. | Audio processing using an intelligent microphone |
JP2016051038A (ja) | 2014-08-29 | 2016-04-11 | 株式会社Jvcケンウッド | ノイズゲート装置 |
US20160100092A1 (en) | 2014-10-01 | 2016-04-07 | Fortemedia, Inc. | Object tracking device and tracking method thereof |
US9521057B2 (en) | 2014-10-14 | 2016-12-13 | Amazon Technologies, Inc. | Adaptive audio stream with latency compensation |
GB2527865B (en) * | 2014-10-30 | 2016-12-14 | Imagination Tech Ltd | Controlling operational characteristics of an acoustic echo canceller |
GB2525947B (en) | 2014-10-31 | 2016-06-22 | Imagination Tech Ltd | Automatic tuning of a gain controller |
US20160150315A1 (en) | 2014-11-20 | 2016-05-26 | GM Global Technology Operations LLC | System and method for echo cancellation |
KR101990370B1 (ko) | 2014-11-26 | 2019-06-18 | 한화테크윈 주식회사 | 카메라 시스템 및 카메라 시스템 동작 방법 |
US9654868B2 (en) | 2014-12-05 | 2017-05-16 | Stages Llc | Multi-channel multi-domain source identification and tracking |
US9860635B2 (en) | 2014-12-15 | 2018-01-02 | Panasonic Intellectual Property Management Co., Ltd. | Microphone array, monitoring system, and sound pickup setting method |
CN105812598B (zh) * | 2014-12-30 | 2019-04-30 | 展讯通信(上海)有限公司 | 一种降低回声的方法及装置 |
US9525934B2 (en) | 2014-12-31 | 2016-12-20 | Stmicroelectronics Asia Pacific Pte Ltd. | Steering vector estimation for minimum variance distortionless response (MVDR) beamforming circuits, systems, and methods |
USD754103S1 (en) | 2015-01-02 | 2016-04-19 | Harman International Industries, Incorporated | Loudspeaker |
JP2016146547A (ja) | 2015-02-06 | 2016-08-12 | パナソニックIpマネジメント株式会社 | 収音システム及び収音方法 |
US20160275961A1 (en) * | 2015-03-18 | 2016-09-22 | Qualcomm Technologies International, Ltd. | Structure for multi-microphone speech enhancement system |
CN106162427B (zh) | 2015-03-24 | 2019-09-17 | 青岛海信电器股份有限公司 | 一种声音获取元件的指向性调整方法和装置 |
US9716944B2 (en) | 2015-03-30 | 2017-07-25 | Microsoft Technology Licensing, Llc | Adjustable audio beamforming |
US9924224B2 (en) * | 2015-04-03 | 2018-03-20 | The Nielsen Company (Us), Llc | Methods and apparatus to determine a state of a media presentation device |
US10567827B2 (en) | 2015-04-10 | 2020-02-18 | Sennheiser Electronic Gmbh & Co. Kg | Method of detecting and synchronizing audio and video signals and audio/video detection and synchronization system |
USD784299S1 (en) | 2015-04-30 | 2017-04-18 | Shure Acquisition Holdings, Inc. | Array microphone assembly |
US9554207B2 (en) | 2015-04-30 | 2017-01-24 | Shure Acquisition Holdings, Inc. | Offset cartridge microphones |
US9565493B2 (en) | 2015-04-30 | 2017-02-07 | Shure Acquisition Holdings, Inc. | Array microphone system and method of assembling the same |
WO2016179211A1 (en) | 2015-05-04 | 2016-11-10 | Rensselaer Polytechnic Institute | Coprime microphone array system |
US10028053B2 (en) | 2015-05-05 | 2018-07-17 | Wave Sciences, LLC | Portable computing device microphone array |
WO2016183791A1 (zh) | 2015-05-19 | 2016-11-24 | 华为技术有限公司 | 一种语音信号处理方法及装置 |
USD801285S1 (en) | 2015-05-29 | 2017-10-31 | Optical Cable Corporation | Ceiling mount box |
US10412483B2 (en) | 2015-05-30 | 2019-09-10 | Audix Corporation | Multi-element shielded microphone and suspension system |
US10452339B2 (en) | 2015-06-05 | 2019-10-22 | Apple Inc. | Mechanism for retrieval of previously captured audio |
US10909384B2 (en) | 2015-07-14 | 2021-02-02 | Panasonic Intellectual Property Management Co., Ltd. | Monitoring system and monitoring method |
TWD179475S (zh) | 2015-07-14 | 2016-11-11 | 宏碁股份有限公司 | 筆記型電腦之部分 |
CN106403016B (zh) | 2015-07-30 | 2019-07-26 | Lg电子株式会社 | 空调机的室内机 |
EP3131311B1 (en) | 2015-08-14 | 2019-06-19 | Nokia Technologies Oy | Monitoring |
US20170064451A1 (en) | 2015-08-25 | 2017-03-02 | New York University | Ubiquitous sensing environment |
US9655001B2 (en) | 2015-09-24 | 2017-05-16 | Cisco Technology, Inc. | Cross mute for native radio channels |
CA2944636C (en) | 2015-10-07 | 2019-01-22 | Tony J. Branham | Lighted mirror with sound system |
US9961437B2 (en) | 2015-10-08 | 2018-05-01 | Signal Essence, LLC | Dome shaped microphone array with circularly distributed microphones |
USD787481S1 (en) | 2015-10-21 | 2017-05-23 | Cisco Technology, Inc. | Microphone support |
CN105355210B (zh) | 2015-10-30 | 2020-06-23 | 百度在线网络技术(北京)有限公司 | 用于远场语音识别的预处理方法和装置 |
KR102070965B1 (ko) | 2015-11-18 | 2020-01-29 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 소리 신호를 강화하는 소리 신호 처리 장치 및 방법 |
US11064291B2 (en) | 2015-12-04 | 2021-07-13 | Sennheiser Electronic Gmbh & Co. Kg | Microphone array system |
US9894434B2 (en) | 2015-12-04 | 2018-02-13 | Sennheiser Electronic Gmbh & Co. Kg | Conference system with a microphone array system and a method of speech acquisition in a conference system |
US9479885B1 (en) | 2015-12-08 | 2016-10-25 | Motorola Mobility Llc | Methods and apparatuses for performing null steering of adaptive microphone array |
US9641935B1 (en) | 2015-12-09 | 2017-05-02 | Motorola Mobility Llc | Methods and apparatuses for performing adaptive equalization of microphone arrays |
US9479627B1 (en) | 2015-12-29 | 2016-10-25 | Gn Audio A/S | Desktop speakerphone |
USD788073S1 (en) | 2015-12-29 | 2017-05-30 | Sdi Technologies, Inc. | Mono bluetooth speaker |
CN105548998B (zh) | 2016-02-02 | 2018-03-30 | 北京地平线机器人技术研发有限公司 | 基于麦克阵列的声音定位装置和方法 |
US9721582B1 (en) | 2016-02-03 | 2017-08-01 | Google Inc. | Globally optimized least-squares post-filtering for speech enhancement |
US10537300B2 (en) | 2016-04-25 | 2020-01-21 | Wisconsin Alumni Research Foundation | Head mounted microphone array for tinnitus diagnosis |
US9851938B2 (en) | 2016-04-26 | 2017-12-26 | Analog Devices, Inc. | Microphone arrays and communication systems for directional reception |
USD819607S1 (en) | 2016-04-26 | 2018-06-05 | Samsung Electronics Co., Ltd. | Microphone |
EP3509325B1 (en) | 2016-05-30 | 2021-01-27 | Oticon A/s | A hearing aid comprising a beam former filtering unit comprising a smoothing unit |
GB201609784D0 (en) | 2016-06-03 | 2016-07-20 | Craven Peter G And Travis Christopher | Microphone array providing improved horizontal directivity |
US9659576B1 (en) | 2016-06-13 | 2017-05-23 | Biamp Systems Corporation | Beam forming and acoustic echo cancellation with mutual adaptation control |
ITUA20164622A1 (it) | 2016-06-23 | 2017-12-23 | St Microelectronics Srl | Procedimento di beamforming basato su matrici di microfoni e relativo apparato |
JP7404067B2 (ja) | 2016-07-22 | 2023-12-25 | ドルビー ラボラトリーズ ライセンシング コーポレイション | ライブ音楽実演のマルチメディア・コンテンツのネットワーク・ベースの処理および配送 |
USD841589S1 (en) | 2016-08-03 | 2019-02-26 | Gedia Gebrueder Dingerkus Gmbh | Housings for electric conductors |
CN106251857B (zh) | 2016-08-16 | 2019-08-20 | 青岛歌尔声学科技有限公司 | 声源方向判断装置、方法及麦克风指向性调节系统、方法 |
US9628596B1 (en) | 2016-09-09 | 2017-04-18 | Sorenson Ip Holdings, Llc | Electronic device including a directional microphone |
US10454794B2 (en) | 2016-09-20 | 2019-10-22 | Cisco Technology, Inc. | 3D wireless network monitoring using virtual reality and augmented reality |
US9794720B1 (en) | 2016-09-22 | 2017-10-17 | Sonos, Inc. | Acoustic position measurement |
JP1580363S (ja) | 2016-09-27 | 2017-07-03 | ||
US10820097B2 (en) | 2016-09-29 | 2020-10-27 | Dolby Laboratories Licensing Corporation | Method, systems and apparatus for determining audio representation(s) of one or more audio sources |
US10475471B2 (en) | 2016-10-11 | 2019-11-12 | Cirrus Logic, Inc. | Detection of acoustic impulse events in voice applications using a neural network |
US9930448B1 (en) | 2016-11-09 | 2018-03-27 | Northwestern Polytechnical University | Concentric circular differential microphone arrays and associated beamforming |
US9980042B1 (en) | 2016-11-18 | 2018-05-22 | Stages Llc | Beamformer direction of arrival and orientation analysis system |
KR20190085924A (ko) | 2016-11-21 | 2019-07-19 | 하만 베커 오토모티브 시스템즈 게엠베하 | 빔 조향 |
GB2557219A (en) | 2016-11-30 | 2018-06-20 | Nokia Technologies Oy | Distributed audio capture and mixing controlling |
USD811393S1 (en) | 2016-12-28 | 2018-02-27 | Samsung Display Co., Ltd. | Display device |
CN110169041B (zh) | 2016-12-30 | 2022-03-22 | 哈曼贝克自动系统股份有限公司 | 一种声回波消除的方法和系统 |
US10552014B2 (en) | 2017-01-10 | 2020-02-04 | Cast Group Of Companies Inc. | Systems and methods for tracking and interacting with zones in 3D space |
US10021515B1 (en) | 2017-01-12 | 2018-07-10 | Oracle International Corporation | Method and system for location estimation |
US10097920B2 (en) | 2017-01-13 | 2018-10-09 | Bose Corporation | Capturing wide-band audio using microphone arrays and passive directional acoustic elements |
US10367948B2 (en) | 2017-01-13 | 2019-07-30 | Shure Acquisition Holdings, Inc. | Post-mixing acoustic echo cancellation systems and methods |
CN106851036B (zh) | 2017-01-20 | 2019-08-30 | 广州广哈通信股份有限公司 | 一种共线语音会议分散混音系统 |
US20180210704A1 (en) | 2017-01-26 | 2018-07-26 | Wal-Mart Stores, Inc. | Shopping Cart and Associated Systems and Methods |
JP7051876B6 (ja) | 2017-01-27 | 2023-08-18 | シュアー アクイジッション ホールディングス インコーポレイテッド | アレイマイクロホンモジュール及びシステム |
US10389885B2 (en) | 2017-02-01 | 2019-08-20 | Cisco Technology, Inc. | Full-duplex adaptive echo cancellation in a conference endpoint |
WO2018144850A1 (en) | 2017-02-02 | 2018-08-09 | Bose Corporation | Conference room audio setup |
WO2018165550A1 (en) | 2017-03-09 | 2018-09-13 | Avnera Corporaton | Real-time acoustic processor |
USD860319S1 (en) | 2017-04-21 | 2019-09-17 | Any Pte. Ltd | Electronic display unit |
US20180313558A1 (en) | 2017-04-27 | 2018-11-01 | Cisco Technology, Inc. | Smart ceiling and floor tiles |
CN107221336B (zh) | 2017-05-13 | 2020-08-21 | 深圳海岸语音技术有限公司 | 一种增强目标语音的装置及其方法 |
US10165386B2 (en) | 2017-05-16 | 2018-12-25 | Nokia Technologies Oy | VR audio superzoom |
JP7004332B2 (ja) | 2017-05-19 | 2022-01-21 | 株式会社オーディオテクニカ | 音声信号処理装置 |
US10153744B1 (en) | 2017-08-02 | 2018-12-11 | 2236008 Ontario Inc. | Automatically tuning an audio compressor to prevent distortion |
US11798544B2 (en) | 2017-08-07 | 2023-10-24 | Polycom, Llc | Replying to a spoken command |
KR102478951B1 (ko) | 2017-09-04 | 2022-12-20 | 삼성전자주식회사 | 비선형 특성을 갖는 오디오 필터를 이용하여 오디오 신호를 처리하는 방법 및 장치 |
US9966059B1 (en) | 2017-09-06 | 2018-05-08 | Amazon Technologies, Inc. | Reconfigurale fixed beam former using given microphone array |
JP6644197B2 (ja) | 2017-09-07 | 2020-02-12 | 三菱電機株式会社 | 雑音除去装置および雑音除去方法 |
USD883952S1 (en) | 2017-09-11 | 2020-05-12 | Clean Energy Labs, Llc | Audio speaker |
CN111148927B (zh) | 2017-09-27 | 2023-06-02 | 国际工程控制公司 | 组合调节器阀 |
USD888020S1 (en) | 2017-10-23 | 2020-06-23 | Raven Technology (Beijing) Co., Ltd. | Speaker cover |
US20190166424A1 (en) | 2017-11-28 | 2019-05-30 | Invensense, Inc. | Microphone mesh network |
USD860997S1 (en) | 2017-12-11 | 2019-09-24 | Crestron Electronics, Inc. | Lid and bezel of flip top unit |
CN108172235B (zh) | 2017-12-26 | 2021-05-14 | 南京信息工程大学 | 基于维纳后置滤波的ls波束形成混响抑制方法 |
US10979805B2 (en) | 2018-01-04 | 2021-04-13 | Stmicroelectronics, Inc. | Microphone array auto-directive adaptive wideband beamforming using orientation information from MEMS sensors |
USD864136S1 (en) | 2018-01-05 | 2019-10-22 | Samsung Electronics Co., Ltd. | Television receiver |
US10720173B2 (en) | 2018-02-21 | 2020-07-21 | Bose Corporation | Voice capture processing modified by back end audio processing state |
JP7022929B2 (ja) | 2018-02-26 | 2022-02-21 | パナソニックIpマネジメント株式会社 | ワイヤレスマイクシステム、受信機及び無線同期方法 |
USD857873S1 (en) | 2018-03-02 | 2019-08-27 | Panasonic Intellectual Property Management Co., Ltd. | Ceiling ventilation fan |
US10566008B2 (en) | 2018-03-02 | 2020-02-18 | Cirrus Logic, Inc. | Method and apparatus for acoustic echo suppression |
US20190295540A1 (en) | 2018-03-23 | 2019-09-26 | Cirrus Logic International Semiconductor Ltd. | Voice trigger validator |
CN208190895U (zh) | 2018-03-23 | 2018-12-04 | 阿里巴巴集团控股有限公司 | 拾音模组、电子设备及贩卖机 |
CN108510987B (zh) | 2018-03-26 | 2020-10-23 | 北京小米移动软件有限公司 | 语音处理方法及装置 |
EP3553968A1 (en) | 2018-04-13 | 2019-10-16 | Peraso Technologies Inc. | Single-carrier wideband beamforming method and system |
EP3803867B1 (en) | 2018-05-31 | 2024-01-10 | Shure Acquisition Holdings, Inc. | Systems and methods for intelligent voice activation for auto-mixing |
US11494158B2 (en) | 2018-05-31 | 2022-11-08 | Shure Acquisition Holdings, Inc. | Augmented reality microphone pick-up pattern visualization |
CN112335261B (zh) | 2018-06-01 | 2023-07-18 | 舒尔获得控股公司 | 图案形成麦克风阵列 |
US11297423B2 (en) | 2018-06-15 | 2022-04-05 | Shure Acquisition Holdings, Inc. | Endfire linear array microphone |
US11276417B2 (en) | 2018-06-15 | 2022-03-15 | Shure Acquisition Holdings, Inc. | Systems and methods for integrated conferencing platform |
US10210882B1 (en) | 2018-06-25 | 2019-02-19 | Biamp Systems, LLC | Microphone array with automated adaptive beam tracking |
EP4093055A1 (en) | 2018-06-25 | 2022-11-23 | Oticon A/s | A hearing device comprising a feedback reduction system |
CN109087664B (zh) | 2018-08-22 | 2022-09-02 | 中国科学技术大学 | 语音增强方法 |
US11310596B2 (en) | 2018-09-20 | 2022-04-19 | Shure Acquisition Holdings, Inc. | Adjustable lobe shape for array microphones |
US11109133B2 (en) | 2018-09-21 | 2021-08-31 | Shure Acquisition Holdings, Inc. | Array microphone module and system |
JP7334406B2 (ja) | 2018-10-24 | 2023-08-29 | ヤマハ株式会社 | アレイマイクロフォンおよび収音方法 |
US10972835B2 (en) | 2018-11-01 | 2021-04-06 | Sennheiser Electronic Gmbh & Co. Kg | Conference system with a microphone array system and a method of speech acquisition in a conference system |
US10887467B2 (en) | 2018-11-20 | 2021-01-05 | Shure Acquisition Holdings, Inc. | System and method for distributed call processing and audio reinforcement in conferencing environments |
CN109727604B (zh) | 2018-12-14 | 2023-11-10 | 上海蔚来汽车有限公司 | 用于语音识别前端的频域回声消除方法及计算机储存介质 |
US10959018B1 (en) | 2019-01-18 | 2021-03-23 | Amazon Technologies, Inc. | Method for autonomous loudspeaker room adaptation |
CN109862200B (zh) | 2019-02-22 | 2021-02-12 | 北京达佳互联信息技术有限公司 | 语音处理方法、装置、电子设备及存储介质 |
US11457309B2 (en) | 2019-02-27 | 2022-09-27 | Crestron Electronics, Inc. | Millimeter wave sensor used to optimize performance of a beamforming microphone array |
CN110010147B (zh) | 2019-03-15 | 2021-07-27 | 厦门大学 | 一种麦克风阵列语音增强的方法和系统 |
US11438691B2 (en) | 2019-03-21 | 2022-09-06 | Shure Acquisition Holdings, Inc. | Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition functionality |
US11303981B2 (en) | 2019-03-21 | 2022-04-12 | Shure Acquisition Holdings, Inc. | Housings and associated design features for ceiling array microphones |
US11558693B2 (en) | 2019-03-21 | 2023-01-17 | Shure Acquisition Holdings, Inc. | Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition and voice activity detection functionality |
USD924189S1 (en) | 2019-04-29 | 2021-07-06 | Lg Electronics Inc. | Television receiver |
USD900071S1 (en) | 2019-05-15 | 2020-10-27 | Shure Acquisition Holdings, Inc. | Housing for a ceiling array microphone |
USD900070S1 (en) | 2019-05-15 | 2020-10-27 | Shure Acquisition Holdings, Inc. | Housing for a ceiling array microphone |
USD900073S1 (en) | 2019-05-15 | 2020-10-27 | Shure Acquisition Holdings, Inc. | Housing for a ceiling array microphone |
USD900072S1 (en) | 2019-05-15 | 2020-10-27 | Shure Acquisition Holdings, Inc. | Housing for a ceiling array microphone |
USD900074S1 (en) | 2019-05-15 | 2020-10-27 | Shure Acquisition Holdings, Inc. | Housing for a ceiling array microphone |
US11127414B2 (en) | 2019-07-09 | 2021-09-21 | Blackberry Limited | System and method for reducing distortion and echo leakage in hands-free communication |
US10984815B1 (en) | 2019-09-27 | 2021-04-20 | Cypress Semiconductor Corporation | Techniques for removing non-linear echo in acoustic echo cancellers |
KR102647154B1 (ko) | 2019-12-31 | 2024-03-14 | 삼성전자주식회사 | 디스플레이 장치 |
-
2017
- 2017-01-13 US US15/406,172 patent/US10367948B2/en active Active
-
2018
- 2018-01-10 WO PCT/US2018/013155 patent/WO2018132465A1/en unknown
- 2018-01-10 CN CN201880007022.7A patent/CN110199351B/zh active Active
- 2018-01-10 EP EP18709815.7A patent/EP3568854B1/en active Active
- 2018-01-10 KR KR1020197023364A patent/KR102432300B1/ko active IP Right Grant
- 2018-01-10 JP JP2019538198A patent/JP7127032B2/ja active Active
- 2018-01-12 TW TW107101212A patent/TWI749144B/zh not_active IP Right Cessation
-
2019
- 2019-07-26 US US16/523,070 patent/US11477327B2/en active Active
-
2022
- 2022-10-17 US US18/047,176 patent/US20230164274A1/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003060530A (ja) | 2001-08-13 | 2003-02-28 | Fujitsu Ltd | エコー抑制処理システム |
JP2005531200A (ja) | 2002-06-24 | 2005-10-13 | フリースケール セミコンダクター インコーポレイテッド | 通信システムおよびそのための方法 |
JP2006173871A (ja) | 2004-12-14 | 2006-06-29 | Matsushita Electric Ind Co Ltd | 音響エコーキャンセラとそれを用いたハンズフリー電話及び音響エコーキャンセル方法 |
JP2007306553A (ja) | 2006-05-10 | 2007-11-22 | Harman Becker Automotive Systems Gmbh | マルチチャネルの反響補償 |
JP2016144112A (ja) | 2015-02-04 | 2016-08-08 | ヤマハ株式会社 | マイク選択装置、マイクシステムおよびマイク選択方法 |
Also Published As
Publication number | Publication date |
---|---|
TW201830382A (zh) | 2018-08-16 |
JP2020507955A (ja) | 2020-03-12 |
TWI749144B (zh) | 2021-12-11 |
CN110199351A (zh) | 2019-09-03 |
KR20190105619A (ko) | 2019-09-17 |
US10367948B2 (en) | 2019-07-30 |
WO2018132465A1 (en) | 2018-07-19 |
US20180205830A1 (en) | 2018-07-19 |
CN110199351B (zh) | 2024-04-12 |
EP3568854A1 (en) | 2019-11-20 |
US20230164274A1 (en) | 2023-05-25 |
EP3568854B1 (en) | 2020-12-30 |
US20200228663A1 (en) | 2020-07-16 |
KR102432300B1 (ko) | 2022-08-11 |
US11477327B2 (en) | 2022-10-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7127032B2 (ja) | ミキシング後音響エコーキャンセルシステム及び方法 | |
US10891931B2 (en) | Single-channel, binaural and multi-channel dereverberation | |
US11297178B2 (en) | Method, apparatus, and computer-readable media utilizing residual echo estimate information to derive secondary echo reduction parameters | |
US8824693B2 (en) | Processing audio signals | |
US9210504B2 (en) | Processing audio signals | |
JP4402040B2 (ja) | リスニング領域内での、バスサウンドの音質を改善するためのイコライゼーションシステム | |
US10979100B2 (en) | Audio signal processing with acoustic echo cancellation | |
US8682006B1 (en) | Noise suppression based on null coherence | |
US20130136274A1 (en) | Processing Signals | |
JP2003309493A (ja) | 反響低減方法、反響低減装置、反響低減プログラム | |
Adapa et al. | Performance analysis of different adapative algorithms based on acoustic echo cancellation | |
Garre et al. | An Acoustic Echo Cancellation System based on Adaptive Algorithm | |
WO2018087855A1 (ja) | エコーキャンセラ装置、エコー消去方法、及びエコー消去プログラム | |
US20230065067A1 (en) | Mask non-linear processor for acoustic echo cancellation | |
CN118366422A (zh) | 声学回声消除 | |
Chowdary | Acoustic Echo cancellation inside a Conference Room using Adaptive Algorithms |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20201021 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20210630 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210927 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20211227 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220225 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20220719 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20220817 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7127032 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |