JP5659298B2 - 補聴器システムにおける信号処理方法および補聴器システム - Google Patents
補聴器システムにおける信号処理方法および補聴器システム Download PDFInfo
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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
- H04R25/50—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
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/43—Electronic input selection or mixing based on input signal analysis, e.g. mixing or selection between microphone and telecoil or between microphones with different directivity characteristics
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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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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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
-
- 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
- H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
- H04R25/552—Binaural
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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
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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
- H04R2225/43—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
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/03—Aspects of the reduction of energy consumption in hearing devices
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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
- H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
- H04R25/554—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired using a wireless connection, e.g. between microphone and amplifier or using Tcoils
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- Neurosurgery (AREA)
- Otolaryngology (AREA)
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- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Description
Claims (9)
- 補聴器システムにおいて信号を処理する方法であって,
上記補聴器システムの第1の補聴器中の第1の入力トランスデューサからの出力を表す第1の信号を提供し,
上記補聴器システムの第2の入力トランスデューサからの出力を表す第2の信号を提供し,
上記第1および第2の信号を時間領域から時間−周波数領域に変換し,これにより第3および第4の信号をそれぞれ提供し,
上記第3および第4の信号間の両耳間相互相関度を表す値を算出し,これにより第5の信号を提供し,
上記第5の信号に基づいて上記補聴器システムについての第1のゲイン値を導出し,
上記第1の補聴器の上記第3の信号の増幅に上記第1のゲイン値を適用し,これにより第6の信号を提供し,
上記第6の信号を時間−周波数領域から時間領域に変換し,これにより上記補聴器システムにおけるさらなる処理のための第7の信号を提供し,
ここで上記両耳間相互相関度を表す値の関数としての上記第1のゲイン値を決定するための関係式が,上記両耳間相互相関度を表す値(複数)について3つの連続する範囲を含むものであり,ここで第1および第3の範囲における最大勾配が第2の範囲における最大勾配よりも小さく,上記範囲(複数)が,上記第1の範囲が低い両耳間相互相関度値を表す値を含み,上記第3の範囲が高い両耳間相互相関度値を表す値を含み,かつ上記第2の範囲が中間の両耳間相互相関度値を表す値を含むように規定され,
上記両耳間相互相関度を表す値が,上記第1の信号の推定された時間−周波数分布の第1の時間平均自己相関G 11 (m,k),上記第2の信号の推定された時間−周波数分布の第2の時間平均自己相関G 22 (m,k),ならびに上記第1および上記第2の信号の推定された時間−周波数分布の時間平均相互相関G 12 (m,k)に基づいて算出される,
方法。 - 補聴器ユーザの聴覚欠損を補償するために上記第7の信号の増幅に第2のゲイン値を適用し,これにより第8の信号を提供し,ここで上記第2のゲイン値がユーザの処方に基づいて算出されるものであり,上記第8の信号に基づいて上記第1の補聴器から第1の音響信号を提供する,請求項1に記載の方法。
- 上記第4の信号の増幅に上記第1のゲイン値を適用し,これにより第9の信号を提供し,
上記第9の信号を時間−周波数領域から時間領域に変換し,これにより上記補聴器システムにおけるさらなる処理のための第10の信号を提供し,
補聴器ユーザの聴覚欠損を補償するために上記第10の信号の増幅に第3のゲイン値を適用し,これにより第11の信号を提供し,ここで上記第3のゲイン値がユーザの処方に基づいて算出されるものであり,上記第11の信号に基づいて上記補聴器システムの第2の補聴器から第2の音響信号を提供する,
請求項1または2に記載の方法。 - 上記第1のゲイン値の導出に用いられる数式が適応型のものである,請求項1から3のいずれか一項に記載の方法。
- 上記第5の信号の統計的特性を算出し,上記第1のゲイン値を導出するために用いられる数式の決定に上記第5の信号の上記統計的特性を用いる,
請求項1から4のいずれか一項に記載の方法。 - 上記第1のゲイン値を導出するために用いられる数式の決定に音響シーン分類器を用いる,
請求項1から4のいずれか一項に記載の方法。 - 上記補聴器システムのユーザからの入力に基づいて上記第1のゲイン値を導出するために用いられる数式を決定する,請求項1から6のいずれか一項に記載の方法。
- 上記第1のゲイン値の導出が低い両耳間相互相関度を持つ信号を抑制するのに適するものであり,これにより上記補聴器システムの装着者から所定距離を超える音源,または方向が上記補聴器システムの装着者を主として向いていない音源を抑制可能である,
請求項1から7のいずれか一項に記載の方法。 - 少なくとも一つの補聴器,第1および第2の2つのマイクロフォン,アナログ−デジタル変換器手段,時間−周波数変換手段,両耳間相互相関度算出手段,干渉話者を抑制するのに適する第1のゲイン算出手段,上記補聴器を装着しているユーザの聴覚欠損を緩和するように構成されるデジタル処理手段,デジタル−アナログ変換器手段,ならびに音響信号を提供する出力トランスデューサ手段を備え,
上記第1のゲイン算出手段が,上記両耳間相互相関度算出手段によって算出される両耳間相互相関度を表す値(複数)について3つの連続する範囲を含む上記両耳間相互相関度を表す値の関数としての第1のゲイン値を決定する関係式を用いるように構成されており,ここで第1および第3の範囲における最大勾配が第2の範囲における最大勾配よりも小さく,上記範囲(複数)が,上記第1の範囲が低い両耳間相互相関度値を表す値を含み,上記第3の範囲が高い両耳間相互相関度値を表す値を含み,上記第2の範囲が中間の両耳間相互相関度値を表す値を含むように規定され,
上記両耳間相互相関度を表す値が,上記第1のマイクロフォンからの出力を表す第1の信号の推定された時間−周波数分布の第1の時間平均自己相関G 11 (m,k),上記第2のマイクロフォンからの出力を表す第2の信号の推定された時間−周波数分布の第2の時間平均自己相関G 22 (m,k),ならびに上記第1および上記第2の信号の推定された時間−周波数分布の時間平均相互相関G 12 (m,k)に基づいて算出される,
補聴器システム。
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DKPA201000636 | 2010-07-15 | ||
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PCT/EP2011/050331 WO2012007183A1 (en) | 2010-07-15 | 2011-01-12 | Method of signal processing in a hearing aid system and a hearing aid system |
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US (1) | US8842861B2 (ja) |
EP (1) | EP2594090B1 (ja) |
JP (1) | JP5659298B2 (ja) |
KR (1) | KR101420960B1 (ja) |
CN (1) | CN103026738B (ja) |
CA (1) | CA2805491C (ja) |
DK (1) | DK2594090T3 (ja) |
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EP2765650A1 (en) * | 2013-02-08 | 2014-08-13 | Nxp B.V. | Hearing aid antenna |
KR101744464B1 (ko) | 2013-06-14 | 2017-06-07 | 와이덱스 에이/에스 | 보청기 시스템에서의 신호 프로세싱 방법 및 보청기 시스템 |
US10417525B2 (en) | 2014-09-22 | 2019-09-17 | Samsung Electronics Co., Ltd. | Object recognition with reduced neural network weight precision |
WO2016053019A1 (ko) * | 2014-10-01 | 2016-04-07 | 삼성전자 주식회사 | 잡음이 포함된 오디오 신호를 처리하는 방법 및 장치 |
CN106205620A (zh) * | 2016-07-20 | 2016-12-07 | 吴凤彪 | 一种便携语言辅助设备及其方法 |
WO2018106572A1 (en) * | 2016-12-05 | 2018-06-14 | Med-El Elektromedizinische Geraete Gmbh | Interaural coherence based cochlear stimulation using adapted envelope processing |
DE102016225204B4 (de) * | 2016-12-15 | 2021-10-21 | Sivantos Pte. Ltd. | Verfahren zum Betrieb eines Hörgerätes |
JP6788272B2 (ja) * | 2017-02-21 | 2020-11-25 | オンフューチャー株式会社 | 音源の検出方法及びその検出装置 |
US11322168B2 (en) | 2018-08-13 | 2022-05-03 | Med-El Elektromedizinische Geraete Gmbh | Dual-microphone methods for reverberation mitigation |
CN113711624B (zh) * | 2019-04-23 | 2024-06-07 | 株式会社索思未来 | 声音处理装置 |
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CN103026738A (zh) | 2013-04-03 |
KR20130045867A (ko) | 2013-05-06 |
CN103026738B (zh) | 2015-11-25 |
KR101420960B1 (ko) | 2014-07-18 |
JP2013533685A (ja) | 2013-08-22 |
US8842861B2 (en) | 2014-09-23 |
WO2012007183A1 (en) | 2012-01-19 |
SG185689A1 (en) | 2012-12-28 |
AU2011278648A1 (en) | 2013-01-24 |
CA2805491C (en) | 2015-05-26 |
CA2805491A1 (en) | 2012-01-19 |
EP2594090A1 (en) | 2013-05-22 |
US20130129124A1 (en) | 2013-05-23 |
DK2594090T3 (da) | 2014-09-29 |
EP2594090B1 (en) | 2014-08-13 |
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