JP2007512717A - 補聴器およびノイズ低減方法 - Google Patents
補聴器およびノイズ低減方法 Download PDFInfo
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- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
- G10L25/69—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for evaluating synthetic or decoded voice signals
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- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
- H04R25/505—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/41—Detection or adaptation of hearing aid parameters or programs to listening situation, e.g. pub, forest
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/43—Signal processing in hearing aids to enhance the speech intelligibility
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2410/00—Microphones
- H04R2410/07—Mechanical or electrical reduction of wind noise generated by wind passing a microphone
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/35—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using translation techniques
- H04R25/356—Amplitude, e.g. amplitude shift or compression
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- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Acoustics & Sound (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Multimedia (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Circuit For Audible Band Transducer (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
Description
1.静かな環境下の音声
2.定常(非変動)ノイズ下の音声
3.インパルス状のノイズ下の音声
4.音声なしのノイズ
5.音楽
Claims (13)
- 少なくとも一つのマイクロフォン,信号処理手段および出力トランスデューサを備え,上記音声処理手段がマイクロフォンからの音声信号を受信するように適合されており,
上記信号処理手段は,一組の記憶されたノイズ・クラスにマッピングされた一組の信号処理パラメータと,バックグラウンド・ノイズを分類する手段と,音声信号を解析して,複数の音響環境テンプレートの中から現在の音声信号バックグラウンド・ノイズと同類の一つを選択する手段と,選択されたテンプレートと同類の音声処理に適合された一組の音響処理パラメータを検索する手段を備えている,
補聴器。 - 上記バックグラウンド・ノイズ分類手段は,低パーセンタイル推定器を利用してバックグラウンド・ノイズを解析する,請求項1に記載の補聴器。
- 上記バックグラウンド・ノイズ分類手段は,バックグラウンド・ノイズ・レベルを推定する手段を備えている,請求項1に記載の補聴器。
- 上記マイクロフォンからの音声信号を調節する手段は,複数の記憶された周波数応答パラメータの組の間の補間に基づいて,対応する一組の周波数応答パラメータを選択する,請求項1に記載の補聴器。
- 上記音声信号を調節する手段は,音声了解度指数ゲインを算出する手段を備えている,上記請求項のいずれか一つに記載の補聴器。
- 上記音声了解度指数ゲイン算出手段は,複数の入力パラメータの関数としての音声了解度指数ゲインを算出するように適合された,トレーニングされたニューラルネットを備えている,上記請求項のいずれか一つに記載の補聴器。
- 上記音声了解度指数ゲイン算出手段は,複数の入力パラメータの関数としての音声了解度指数ゲインを算出するように適合された,ベクトル処理装置を備えている,上記請求項のいずれか一つに記載の補聴器。
- 上記音声了解度指数ゲイン算出手段は,入力パラメータとして,一組の聴力閾値レベル,推定ノイズ・レベルおよびノイズ分類を組み込む,上記請求項のいずれか一つに記載の補聴器。
- 少なくとも一つのマイクロフォン,信号処理手段および出力トランスデューサを備え,上記信号処理手段は,異なる種類のバックグラウンド・ノイズを複数のクラスに分類する手段,および一組の記憶されたノイズ・クラスと組になっている対応する一組の周波数応答パラメータを有する補聴器において,バックグラウンド・ノイズを低減する方法であって,
第1のステップにおいてマイクロフォンからの音声信号を受信し,音声信号中のバックグラウンド・ノイズ成分を分類し,分類されたバックグラウンド・ノイズ成分を一組の既知のバックグラウンド・ノイズ成分と比較し,分類されたバックグラウンド・ノイズ成分と最もよく似ている一組のノイズを見つけ出し,対応する一組の周波数応答パラメータに応じて音声信号を適合させる,方法。 - 上記ノイズ分類は,音声了解度指数ゲイン算出のステップを含む,請求項9に記載の方法。
- 上記音声了解度指数ゲイン算出は,音声了解度指数ゲイン算出用の入力パラメータとして,一組の聴力閾値レベル,推定ノイズ・レベルおよびノイズ分類を取り入れて,これらの入力パラメータに基づいて,一組の最適化音声了解度指数ゲイン値を算出するステップを含む,請求項10に記載の方法。
- 環境ノイズが時間と共に増加する状況において再生音声信号を適合させるステップは,少なくとも2dB/秒の適合速度を有する,上記請求項のいずれか一つに記載の方法。
- 環境ノイズが時間と共に減少する状況において再生音声信号を適合させるステップは,少なくとも15dB/秒の適合速度を有する,上記請求項のいずれか一つに記載の方法。
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PCT/DK2003/000803 WO2005051039A1 (en) | 2003-11-24 | 2003-11-24 | Hearing aid and a method of noise reduction |
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JP2007512717A true JP2007512717A (ja) | 2007-05-17 |
JP4199235B2 JP4199235B2 (ja) | 2008-12-17 |
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JP2005510690A Expired - Fee Related JP4199235B2 (ja) | 2003-11-24 | 2003-11-24 | 補聴器およびノイズ低減方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7804974B2 (ja) |
EP (1) | EP1695591B1 (ja) |
JP (1) | JP4199235B2 (ja) |
CN (1) | CN1879449B (ja) |
AU (1) | AU2003281984B2 (ja) |
CA (1) | CA2545009C (ja) |
DK (1) | DK1695591T3 (ja) |
WO (1) | WO2005051039A1 (ja) |
Cited By (5)
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WO2009001559A1 (ja) * | 2007-06-28 | 2008-12-31 | Panasonic Corporation | 環境適応型補聴器 |
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JP2013526379A (ja) * | 2010-05-26 | 2013-06-24 | ザ ジレット カンパニー | 口腔ケア装置の音響モニタリング |
WO2018084473A1 (ko) * | 2016-11-07 | 2018-05-11 | 삼성전자 주식회사 | 신경망 학습에 기반한 입력 처리 방법 및 이를 위한 장치 |
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DE102020209048A1 (de) * | 2020-07-20 | 2022-01-20 | Sivantos Pte. Ltd. | Verfahren zur Identifikation eines Störeffekts sowie ein Hörsystem |
CN112017690B (zh) * | 2020-10-09 | 2023-12-12 | 腾讯科技(深圳)有限公司 | 一种音频处理方法、装置、设备和介质 |
WO2023169755A1 (en) * | 2022-03-07 | 2023-09-14 | Widex A/S | Method for operating a hearing aid |
KR102725429B1 (ko) * | 2022-08-25 | 2024-11-04 | 숭실대학교 산학협력단 | 환경음 분류와 위치 정보를 이용하는 딥러닝 기반 음성 품질 향상 방법, 이를 수행하기 위한 기록매체 및 장치 |
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Cited By (8)
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JP2009512376A (ja) * | 2005-10-18 | 2009-03-19 | ヴェーデクス・アクティーセルスカプ | データ・ロガーを備えた補聴器,および上記補聴器の操作方法 |
WO2009001559A1 (ja) * | 2007-06-28 | 2008-12-31 | Panasonic Corporation | 環境適応型補聴器 |
US8457335B2 (en) | 2007-06-28 | 2013-06-04 | Panasonic Corporation | Environment adaptive type hearing aid |
JP2013526379A (ja) * | 2010-05-26 | 2013-06-24 | ザ ジレット カンパニー | 口腔ケア装置の音響モニタリング |
WO2018084473A1 (ko) * | 2016-11-07 | 2018-05-11 | 삼성전자 주식회사 | 신경망 학습에 기반한 입력 처리 방법 및 이를 위한 장치 |
KR20180051335A (ko) * | 2016-11-07 | 2018-05-16 | 삼성전자주식회사 | 신경망 학습에 기반한 입력 처리 방법 및 이를 위한 장치 |
US10963738B2 (en) | 2016-11-07 | 2021-03-30 | Samsung Electronics Co., Ltd. | Method for processing input on basis of neural network learning and apparatus therefor |
KR102313773B1 (ko) * | 2016-11-07 | 2021-10-19 | 삼성전자주식회사 | 신경망 학습에 기반한 입력 처리 방법 및 이를 위한 장치 |
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DK1695591T3 (en) | 2016-08-22 |
EP1695591B1 (en) | 2016-06-29 |
AU2003281984B2 (en) | 2009-05-14 |
CN1879449A (zh) | 2006-12-13 |
JP4199235B2 (ja) | 2008-12-17 |
US20060204025A1 (en) | 2006-09-14 |
CN1879449B (zh) | 2011-09-28 |
WO2005051039A1 (en) | 2005-06-02 |
CA2545009C (en) | 2013-11-12 |
EP1695591A1 (en) | 2006-08-30 |
US7804974B2 (en) | 2010-09-28 |
AU2003281984A1 (en) | 2005-06-08 |
CA2545009A1 (en) | 2005-06-02 |
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