JP2005537702A - 補聴器および音声の明瞭さを高める方法 - Google Patents
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- 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
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- 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
- G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
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- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
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- G—PHYSICS
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- 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
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- 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
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- H—ELECTRICITY
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- 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
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- 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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- 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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Abstract
Description
Claims (31)
- 補聴器における信号を処理する方法であって,前記補聴器が,マイクロホン,プロセッサおよび出力トランスデューザを有し,音環境の評価を取得し,前記音環境の評価および前記補聴器プロセッサの伝達関数に従って音声の明瞭さの評価を決定し,そして前記音声の明瞭さの評価を高めるために前記伝達関数を適合させる方法。
- 前記補聴器プロセッサの複数の個々の周波数帯域の利得の値を表す利得ベクトルとして前記伝達関数を決定し,前記利得ベクトルを,前記音声の明瞭さを高めるように選択する請求項1に記載の方法。
- 前記音声の明瞭さを高めるために適切な利得値を,前記周波数帯域の第1部分に対してそれぞれ決定し,かつ前記周波数帯域の第1部分に関する利得値間の補間を通じて,前記周波数帯域の第2部分に対する利得値をそれぞれ決定することによって,前記利得ベクトルを決定する請求項2に記載の方法。
- 前記音声の明瞭さの評価を,前記補聴器に接続された外部フィッティング・システムに送信する請求項1または2に記載の方法。
- 前記利得ベクトルから出力信号の音量を計算するとともに,前記音量を,聴覚健常者の増幅されない音の音量に対する比を表わす音量限界と比較し,前記音量限界を超えないようにするために前記利得ベクトルを適切に調整する請求項2に記載の方法。
- 前記利得値の音量が対応する音量限界値以下となるように選択されたスカラー係数を乗算することによって前記利得ベクトルを調整する請求項2に記載の方法。
- 前記利得ベクトルの各利得値を,前記利得値の音量が対応する音量限界値以下となるように調整する請求項2に記載の方法。
- 前記音声の明瞭さの評価を,発音の明瞭度指数として決定する請求項1から7のいずれか一項に記載の方法。
- 前記音声の明瞭さの評価を,変調伝達指数として決定する請求項1から8のいずれか一項に記載の方法。
- 前記音声の明瞭さの評価を,音声の明瞭さの指数として決定する請求項1から9のいずれか一項に記載の方法。
- 前記音声の明瞭さの評価を,音声伝達指数として決定する請求項1から10のいずれか一項に記載の方法。
- 前記音環境の音声レベルの評価および雑音レベルの評価を決定する請求項2に記載の方法。
- 音声レベルの評価および雑音レベルの評価を,前記音環境のそれぞれのパーセンタイルの値として決定する請求項2に記載の方法。
- 前記音声信号をリアルタイムで処理するとともに,前記伝達関数を断続的に更新する請求項1から13のうちのいずれか一項に記載の方法。
- 前記音声信号をリアルタイムで処理するとともに,前記伝達関数をユーザの要求に応じて更新する請求項1から14のいずれか一項に記載の方法。
- SIIを,前記音声レベルの値,前記雑音レベルの値および聴力損失ベクトルの関数として決定する請求項13に記載の方法。
- 複数の音声レベルのうちの少なくとも一つ,複数の雑音レベルのうちの少なくとも一つ,および複数の個々の周波数帯域の聴力損失ベクトルの関数として音声の明瞭さの評価を計算する手段を備えた補聴器。
- 前記補聴器の複数の個々の周波数帯域の複数の利得レベルに対して適切な調整を行うことによって前記音声の明瞭さを高める手段を備えた請求項17に記載の補聴器。
- 前記補聴器の個々の周波数帯域の調整された利得レベルに対応する音量と,増幅されない音の音量に対する比を表す音量限界値とを比較する手段と,前記音量限界値を超えないように各利得値を適切に調整する手段とを備えた請求項17または18に記載の補聴器。
- 補聴器を音環境にフィッティングする方法であって,一般的なフィッティング規則に従って初期補聴器伝達関数についての設定を選択し,前記音環境の評価を取得し,前記音環境の評価および初期伝達関数に従って音声の明瞭さの評価を決定し,そして前記音声の明瞭さの評価を高めるのに適切な修正された伝達関数を提供するように初期設定を適合させる方法。
- 前記補聴器に接続された外部フィッティング・システムにおける初期伝達関数を適合させるステップを実行し,修正された設定を前記補聴器のプログラム・メモリに転送する請求項20に記載の方法。
- 前記伝達関数を,補聴器プロセッサにおける複数の個々の周波数帯域の利得の値を表わす利得ベクトルとして決定し,前記利得ベクトルを,前記音声の明瞭さを高めるように選択する請求項20に記載の方法。
- 前記音声の明瞭さを高めるために適切な音声の明瞭さの評価と利得値を,前記周波数帯域の第1部分に対してそれぞれ決定し,かつ前記周波数帯域の第1部分に関する利得値間の補間を通じて,前記周波数帯域の第2部分に対する利得値をそれぞれ決定することによって,前記利得ベクトルを決定する請求項22に記載の方法。
- 前記利得ベクトルから出力信号の音量を計算するとともに,前記音量を音量限界と比較し,前記音量限界ベクトルが,増幅されない音の音量を表し,前記音量限界を超えないようにするために前記利得ベクトルを適切に調整する請求項21に記載の方法。
- 前記最大利得値が対応する音量限界値以下となるように選択されたスカラー係数を乗算することによって前記利得ベクトルを調整する請求項24に記載の方法。
- 前記利得ベクトルの各利得値を,前記利得値の音量が音量限界値以下となるように調整する請求項24に記載の方法。
- 前記音声の明瞭さの評価を,発音の明瞭度指数として決定する請求項20に記載の方法。
- 前記音声の明瞭さの評価を,音声の明瞭さの指数として決定する請求項20に記載の方法。
- 前記音声の明瞭さの評価を,音声伝達指数として決定する請求項20に記載の方法。
- 前記音環境の音声レベルの評価および雑音レベルの評価を決定する請求項20に記載の方法。
- 前記音量を,前記音声レベルの値および前記雑音レベルの値の関数として決定する請求項24に記載の方法。
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PCT/DK2002/000492 WO2004008801A1 (en) | 2002-07-12 | 2002-07-12 | Hearing aid and a method for enhancing speech intelligibility |
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JP2005537702A true JP2005537702A (ja) | 2005-12-08 |
JP4694835B2 JP4694835B2 (ja) | 2011-06-08 |
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US (2) | US7599507B2 (ja) |
EP (1) | EP1522206B1 (ja) |
JP (1) | JP4694835B2 (ja) |
CN (1) | CN1640191B (ja) |
AT (1) | ATE375072T1 (ja) |
AU (1) | AU2002368073B2 (ja) |
CA (1) | CA2492091C (ja) |
DE (1) | DE60222813T2 (ja) |
DK (1) | DK1522206T3 (ja) |
WO (1) | WO2004008801A1 (ja) |
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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 |
JP2009531883A (ja) * | 2006-03-31 | 2009-09-03 | ヴェーデクス・アクティーセルスカプ | 補聴器のフィッティング方法,補聴器のフィッティング・システム,および補聴器 |
JP2010539539A (ja) * | 2007-09-12 | 2010-12-16 | ドルビー・ラボラトリーズ・ライセンシング・コーポレーション | 音声明瞭化を伴うスピーチ改善 |
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AU4278300A (en) | 1999-04-26 | 2000-11-10 | Dspfactory Ltd. | Loudness normalization control for a digital hearing aid |
EP1219138B1 (en) * | 1999-10-07 | 2004-03-17 | Widex A/S | Method and signal processor for intensification of speech signal components in a hearing aid |
AUPQ366799A0 (en) * | 1999-10-26 | 1999-11-18 | University Of Melbourne, The | Emphasis of short-duration transient speech features |
JP2001127732A (ja) | 1999-10-28 | 2001-05-11 | Matsushita Electric Ind Co Ltd | 受信装置 |
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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 |
JP2009531883A (ja) * | 2006-03-31 | 2009-09-03 | ヴェーデクス・アクティーセルスカプ | 補聴器のフィッティング方法,補聴器のフィッティング・システム,および補聴器 |
JP4860748B2 (ja) * | 2006-03-31 | 2012-01-25 | ヴェーデクス・アクティーセルスカプ | 補聴器のフィッティング方法,補聴器のフィッティング・システム,および補聴器 |
US10034108B2 (en) | 2006-03-31 | 2018-07-24 | Widex A/S | Method for the fitting of a hearing aid, a system for fitting a hearing aid and a hearing aid |
JP2010539539A (ja) * | 2007-09-12 | 2010-12-16 | ドルビー・ラボラトリーズ・ライセンシング・コーポレーション | 音声明瞭化を伴うスピーチ改善 |
JP2011512768A (ja) * | 2008-02-20 | 2011-04-21 | 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 | オーディオ装置及びその動作方法 |
JP2014500676A (ja) * | 2010-12-08 | 2014-01-09 | ヴェーデクス・アクティーセルスカプ | 補聴器および音声再生増強方法 |
JP2015501114A (ja) * | 2011-12-22 | 2015-01-08 | ヴェーデクス・アクティーセルスカプ | 補聴器の動作方法および補聴器 |
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JP2017175581A (ja) * | 2016-03-25 | 2017-09-28 | パナソニックIpマネジメント株式会社 | 補聴器調整装置、補聴器調整方法及び補聴器調整プログラム |
JP2019022213A (ja) * | 2017-07-13 | 2019-02-07 | ジーエヌ ヒアリング エー/エスGN Hearing A/S | 聴覚機器および非侵入型の音声明瞭度による方法 |
KR102713521B1 (ko) * | 2023-11-20 | 2024-10-07 | 주식회사 힐링사운드 | 인공 지능을 이용한 청각 보조 기기 |
Also Published As
Publication number | Publication date |
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AU2002368073B2 (en) | 2007-04-05 |
AU2002368073A1 (en) | 2004-02-02 |
CN1640191A (zh) | 2005-07-13 |
CN1640191B (zh) | 2011-07-20 |
EP1522206A1 (en) | 2005-04-13 |
US20050141737A1 (en) | 2005-06-30 |
JP4694835B2 (ja) | 2011-06-08 |
US7599507B2 (en) | 2009-10-06 |
ATE375072T1 (de) | 2007-10-15 |
CA2492091C (en) | 2009-04-28 |
DE60222813D1 (de) | 2007-11-15 |
DK1522206T3 (da) | 2007-11-05 |
WO2004008801A1 (en) | 2004-01-22 |
EP1522206B1 (en) | 2007-10-03 |
DE60222813T2 (de) | 2008-07-03 |
US8107657B2 (en) | 2012-01-31 |
US20090304215A1 (en) | 2009-12-10 |
CA2492091A1 (en) | 2004-01-22 |
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