JP2011527446A5 - - Google Patents
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- JP2011527446A5 JP2011527446A5 JP2011516982A JP2011516982A JP2011527446A5 JP 2011527446 A5 JP2011527446 A5 JP 2011527446A5 JP 2011516982 A JP2011516982 A JP 2011516982A JP 2011516982 A JP2011516982 A JP 2011516982A JP 2011527446 A5 JP2011527446 A5 JP 2011527446A5
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- audio signal
- aliasing
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- 238000000034 method Methods 0.000 claims description 10
- 230000005236 sound signal Effects 0.000 claims 25
- 230000015572 biosynthetic process Effects 0.000 claims 13
- 238000003786 synthesis reaction Methods 0.000 claims 13
- 238000006243 chemical reaction Methods 0.000 claims 6
- 230000001131 transforming effect Effects 0.000 claims 5
- 230000009466 transformation Effects 0.000 claims 3
- 230000007704 transition Effects 0.000 claims 3
- 230000008859 change Effects 0.000 claims 2
- 239000002131 composite material Substances 0.000 claims 2
- 238000013144 data compression Methods 0.000 claims 2
- 230000008569 process Effects 0.000 claims 2
- 238000004590 computer program Methods 0.000 claims 1
- 230000006837 decompression Effects 0.000 claims 1
- 238000013139 quantization Methods 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7985208P | 2008-07-11 | 2008-07-11 | |
| US61/079,852 | 2008-07-11 | ||
| PCT/EP2009/004374 WO2010003532A1 (en) | 2008-07-11 | 2009-06-17 | Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2011527446A JP2011527446A (ja) | 2011-10-27 |
| JP2011527446A5 true JP2011527446A5 (cg-RX-API-DMAC10.html) | 2014-05-15 |
| JP5551693B2 JP5551693B2 (ja) | 2014-07-16 |
Family
ID=41058650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011516982A Active JP5551693B2 (ja) | 2008-07-11 | 2009-06-17 | エイリアシングスイッチスキームを用いてオーディオ信号を符号化／復号化するための装置および方法 |
Country Status (18)
Families Citing this family (50)
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| MX2011000375A (es) * | 2008-07-11 | 2011-05-19 | Fraunhofer Ges Forschung | Codificador y decodificador de audio para codificar y decodificar tramas de una señal de audio muestreada. |
| EP2144230A1 (en) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme having cascaded switches |
| FR2936898A1 (fr) * | 2008-10-08 | 2010-04-09 | France Telecom | Codage a echantillonnage critique avec codeur predictif |
| KR101649376B1 (ko) | 2008-10-13 | 2016-08-31 | 한국전자통신연구원 | Ｍｄｃｔ 기반 음성/오디오 통합 부호화기의 ｌｐｃ 잔차신호 부호화/복호화 장치 |
| WO2010044593A2 (ko) | 2008-10-13 | 2010-04-22 | 한국전자통신연구원 | Mdct 기반 음성/오디오 통합 부호화기의 lpc 잔차신호 부호화/복호화 장치 |
| US8457975B2 (en) | 2009-01-28 | 2013-06-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio decoder, audio encoder, methods for decoding and encoding an audio signal and computer program |
| KR101622950B1 (ko) * | 2009-01-28 | 2016-05-23 | 삼성전자주식회사 | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 |
| WO2011013982A2 (en) * | 2009-07-27 | 2011-02-03 | Lg Electronics Inc. | A method and an apparatus for processing an audio signal |
| MY163358A (en) | 2009-10-08 | 2017-09-15 | Fraunhofer-Gesellschaft Zur Förderung Der Angenwandten Forschung E V | Multi-mode audio signal decoder,multi-mode audio signal encoder,methods and computer program using a linear-prediction-coding based noise shaping |
| EP4362014B1 (en) * | 2009-10-20 | 2025-04-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio signal decoder, corresponding method and computer program |
| FR2956495B1 (fr) * | 2010-02-18 | 2021-08-06 | Snecma | Procede de numerisation d'un signal analogique par un convertisseur analogique-numerique de frequence de shannon determinee |
| EP2375409A1 (en) * | 2010-04-09 | 2011-10-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction |
| KR101790373B1 (ko) | 2010-06-14 | 2017-10-25 | 파나소닉 주식회사 | 오디오 하이브리드 부호화 장치 및 오디오 하이브리드 복호 장치 |
| CA3025108C (en) | 2010-07-02 | 2020-10-27 | Dolby International Ab | Audio decoding with selective post filtering |
| CA2804548C (en) | 2010-07-08 | 2016-06-21 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Coder using forward aliasing cancellation |
| EP2619758B1 (en) | 2010-10-15 | 2015-08-19 | Huawei Technologies Co., Ltd. | Audio signal transformer and inverse transformer, methods for audio signal analysis and synthesis |
| MY159444A (en) | 2011-02-14 | 2017-01-13 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V | Encoding and decoding of pulse positions of tracks of an audio signal |
| MY167776A (en) | 2011-02-14 | 2018-09-24 | Fraunhofer Ges Forschung | Noise generation in audio codecs |
| PL2661745T3 (pl) | 2011-02-14 | 2015-09-30 | Fraunhofer Ges Forschung | Urządzenie i sposób do ukrywania błędów w zunifikowanym kodowaniu mowy i audio |
| SG192714A1 (en) | 2011-02-14 | 2013-09-30 | Fraunhofer Ges Forschung | Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result |
| CN102959620B (zh) | 2011-02-14 | 2015-05-13 | 弗兰霍菲尔运输应用研究公司 | 利用重迭变换的信息信号表示 |
| AU2012217184B2 (en) | 2011-02-14 | 2015-07-30 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E. V. | Encoding and decoding of pulse positions of tracks of an audio signal |
| RU2586838C2 (ru) | 2011-02-14 | 2016-06-10 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Аудиокодек, использующий синтез шума в течение неактивной фазы |
| KR101699898B1 (ko) | 2011-02-14 | 2017-01-25 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 스펙트럼 영역에서 디코딩된 오디오 신호를 처리하기 위한 방법 및 장치 |
| TWI563498B (en) | 2011-02-14 | 2016-12-21 | Fraunhofer Ges Forschung | Apparatus and method for encoding an audio signal using an aligned look-ahead portion, and related computer program |
| CN103477387B (zh) | 2011-02-14 | 2015-11-25 | 弗兰霍菲尔运输应用研究公司 | 使用频谱域噪声整形的基于线性预测的编码方案 |
| US20140058737A1 (en) * | 2011-10-28 | 2014-02-27 | Panasonic Corporation | Hybrid sound signal decoder, hybrid sound signal encoder, sound signal decoding method, and sound signal encoding method |
| US9489962B2 (en) * | 2012-05-11 | 2016-11-08 | Panasonic Corporation | Sound signal hybrid encoder, sound signal hybrid decoder, sound signal encoding method, and sound signal decoding method |
| EP2665208A1 (en) | 2012-05-14 | 2013-11-20 | Thomson Licensing | Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation |
| JP6163545B2 (ja) | 2012-06-14 | 2017-07-12 | ドルビー・インターナショナル・アーベー | 可変数の受信チャネルに基づくマルチチャネル・オーディオ・レンダリングのためのなめらかな構成切り換え |
| TWI590234B (zh) | 2012-07-19 | 2017-07-01 | 杜比國際公司 | 編碼聲訊資料之方法和裝置，以及解碼已編碼聲訊資料之方法和裝置 |
| JP6065452B2 (ja) * | 2012-08-14 | 2017-01-25 | 富士通株式会社 | データ埋め込み装置及び方法、データ抽出装置及び方法、並びにプログラム |
| CN109448745B (zh) * | 2013-01-07 | 2021-09-07 | 中兴通讯股份有限公司 | 一种编码模式切换方法和装置、解码模式切换方法和装置 |
| CA3012134C (en) | 2013-01-08 | 2019-10-15 | Dolby International Ab | Model based prediction in a critically sampled filterbank |
| AU2014220725B2 (en) | 2013-02-20 | 2016-11-17 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for encoding or decoding an audio signal using a transient-location dependent overlap |
| JP6146069B2 (ja) | 2013-03-18 | 2017-06-14 | 富士通株式会社 | データ埋め込み装置及び方法、データ抽出装置及び方法、並びにプログラム |
| MY173488A (en) | 2013-04-05 | 2020-01-28 | Dolby Int Ab | Companding apparatus and method to reduce quantization noise using advanced spectral extension |
| RU2643662C2 (ru) * | 2013-08-23 | 2018-02-02 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Устройство и способ для обработки звукового сигнала с использованием комбинирования в диапазоне перекрытия |
| FR3013496A1 (fr) * | 2013-11-15 | 2015-05-22 | Orange | Transition d'un codage/decodage par transformee vers un codage/decodage predictif |
| CN110097892B (zh) | 2014-06-03 | 2022-05-10 | 华为技术有限公司 | 一种语音频信号的处理方法和装置 |
| EP2980796A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and apparatus for processing an audio signal, audio decoder, and audio encoder |
| EP2988300A1 (en) | 2014-08-18 | 2016-02-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Switching of sampling rates at audio processing devices |
| EP3276620A1 (en) | 2016-07-29 | 2018-01-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Time domain aliasing reduction for non-uniform filterbanks which use spectral analysis followed by partial synthesis |
| CN107731238B (zh) | 2016-08-10 | 2021-07-16 | 华为技术有限公司 | 多声道信号的编码方法和编码器 |
| EP3483879A1 (en) * | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Analysis/synthesis windowing function for modulated lapped transformation |
| US10950251B2 (en) * | 2018-03-05 | 2021-03-16 | Dts, Inc. | Coding of harmonic signals in transform-based audio codecs |
| US10475456B1 (en) * | 2018-06-04 | 2019-11-12 | Qualcomm Incorporated | Smart coding mode switching in audio rate adaptation |
| CA3091241A1 (en) | 2018-07-02 | 2020-01-09 | Dolby Laboratories Licensing Corporation | Methods and devices for generating or decoding a bitstream comprising immersive audio signals |
| EP3644313A1 (en) * | 2018-10-26 | 2020-04-29 | Fraunhofer Gesellschaft zur Förderung der Angewand | Perceptual audio coding with adaptive non-uniform time/frequency tiling using subband merging and time domain aliasing reduction |
| WO2020164752A1 (en) | 2019-02-13 | 2020-08-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio transmitter processor, audio receiver processor and related methods and computer programs |
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| DE3943881B4 (de) | 1989-04-17 | 2008-07-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Digitales Codierverfahren |
| KR19990082402A (ko) | 1996-02-08 | 1999-11-25 | 모리시타 요이찌 | 광대역 오디오신호 부호장치, 광대역 오디오신호 복호장치, 광대역 오디오신호 부호 복호장치 및 광대역 오디오신호 기록매체 |
| DE69926821T2 (de) * | 1998-01-22 | 2007-12-06 | Deutsche Telekom Ag | Verfahren zur signalgesteuerten Schaltung zwischen verschiedenen Audiokodierungssystemen |
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| WO2004047305A1 (ja) * | 2002-11-21 | 2004-06-03 | Nippon Telegraph And Telephone Corporation | ディジタル信号処理方法、その処理器、そのプログラム、及びそのプログラムを格納した記録媒体 |
| AU2003208517A1 (en) * | 2003-03-11 | 2004-09-30 | Nokia Corporation | Switching between coding schemes |
| TW594674B (en) * | 2003-03-14 | 2004-06-21 | Mediatek Inc | Encoder and a encoding method capable of detecting audio signal transient |
| KR101200776B1 (ko) | 2003-04-17 | 2012-11-13 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 오디오 신호 합성 |
| FI118835B (fi) * | 2004-02-23 | 2008-03-31 | Nokia Corp | Koodausmallin valinta |
| BRPI0418839A (pt) * | 2004-05-17 | 2007-11-13 | Nokia Corp | método para suportar e dispositivo eletrÈnico suportando uma codificação de um sinal de áudio, sistema de codificação de áudio, e, produto de programa de software |
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| ATE537536T1 (de) * | 2004-10-26 | 2011-12-15 | Panasonic Corp | Sprachkodierungsvorrichtung und sprachkodierungsverfahren |
| US7418394B2 (en) | 2005-04-28 | 2008-08-26 | Dolby Laboratories Licensing Corporation | Method and system for operating audio encoders utilizing data from overlapping audio segments |
| CN1862969B (zh) * | 2005-05-11 | 2010-06-09 | 尼禄股份公司 | 自适应块长、常数变换音频解码方法 |
| TWI271703B (en) * | 2005-07-22 | 2007-01-21 | Pixart Imaging Inc | Audio encoder and method thereof |
| US7610195B2 (en) * | 2006-06-01 | 2009-10-27 | Nokia Corporation | Decoding of predictively coded data using buffer adaptation |
| US7987089B2 (en) | 2006-07-31 | 2011-07-26 | Qualcomm Incorporated | Systems and methods for modifying a zero pad region of a windowed frame of an audio signal |
| DE102006051673A1 (de) * | 2006-11-02 | 2008-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Nachbearbeiten von Spektralwerten und Encodierer und Decodierer für Audiosignale |
| KR101434198B1 (ko) * | 2006-11-17 | 2014-08-26 | 삼성전자주식회사 | 신호 복호화 방법 |
| KR20080053739A (ko) * | 2006-12-11 | 2008-06-16 | 삼성전자주식회사 | 적응적으로 윈도우 크기를 적용하는 부호화 장치 및 방법 |
| KR101016224B1 (ko) * | 2006-12-12 | 2011-02-25 | 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 | 인코더, 디코더 및 시간 영역 데이터 스트림을 나타내는 데이터 세그먼트를 인코딩하고 디코딩하는 방법 |
| EP2311034B1 (en) * | 2008-07-11 | 2015-11-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder for encoding frames of sampled audio signals |
| PL2304723T3 (pl) * | 2008-07-11 | 2013-03-29 | Fraunhofer Ges Forschung | Urządzenie i sposób dekodowania zakodowanego sygnału audio |
| ES2592416T3 (es) * | 2008-07-17 | 2016-11-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Esquema de codificación/decodificación de audio que tiene una derivación conmutable |
| WO2010148516A1 (en) * | 2009-06-23 | 2010-12-29 | Voiceage Corporation | Forward time-domain aliasing cancellation with application in weighted or original signal domain |
| KR101790373B1 (ko) * | 2010-06-14 | 2017-10-25 | 파나소닉 주식회사 | 오디오 하이브리드 부호화 장치 및 오디오 하이브리드 복호 장치 |
| CA2804548C (en) * | 2010-07-08 | 2016-06-21 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Coder using forward aliasing cancellation |
| EP2619758B1 (en) * | 2010-10-15 | 2015-08-19 | Huawei Technologies Co., Ltd. | Audio signal transformer and inverse transformer, methods for audio signal analysis and synthesis |
-
2009
- 2009-06-17 WO PCT/EP2009/004374 patent/WO2010003532A1/en not_active Ceased
- 2009-06-17 EP EP09776763A patent/EP2301020B1/en active Active
- 2009-06-17 CN CN200980127114XA patent/CN102089812B/zh active Active
- 2009-06-17 ES ES09776763T patent/ES2401487T3/es active Active
- 2009-06-17 JP JP2011516982A patent/JP5551693B2/ja active Active
- 2009-06-17 AU AU2009267518A patent/AU2009267518B2/en active Active
- 2009-06-17 MY MYPI20110039 patent/MY152252A/en unknown
- 2009-06-17 CA CA2730355A patent/CA2730355C/en active Active
- 2009-06-17 MX MX2011000373A patent/MX2011000373A/es active IP Right Grant
- 2009-06-17 PL PL09776763T patent/PL2301020T3/pl unknown
- 2009-06-17 RU RU2011102426/08A patent/RU2492530C2/ru active
- 2009-06-17 BR BRPI0910783-5A patent/BRPI0910783B1/pt active IP Right Grant
- 2009-06-17 KR KR1020117000636A patent/KR101250309B1/ko active Active
- 2009-06-29 TW TW098121856A patent/TWI426503B/zh active
- 2009-07-07 AR ARP090102545A patent/AR072479A1/es active IP Right Grant
-
2010
- 2010-12-23 ZA ZA2010/09259A patent/ZA201009259B/en unknown
- 2010-12-29 CO CO10164069A patent/CO6341672A2/es active IP Right Grant
-
2011
- 2011-01-11 US US13/004,351 patent/US8862480B2/en active Active
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