CA2235455A1 - Method and apparatus for speech enhancement in a speech communication system - Google Patents
Method and apparatus for speech enhancement in a speech communication system Download PDFInfo
- Publication number
- CA2235455A1 CA2235455A1 CA002235455A CA2235455A CA2235455A1 CA 2235455 A1 CA2235455 A1 CA 2235455A1 CA 002235455 A CA002235455 A CA 002235455A CA 2235455 A CA2235455 A CA 2235455A CA 2235455 A1 CA2235455 A1 CA 2235455A1
- Authority
- CA
- Canada
- Prior art keywords
- speech
- frequency
- output
- amplitude
- altering
- 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.)
- Abandoned
Links
- 238000004891 communication Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 49
- 230000003595 spectral effect Effects 0.000 claims abstract description 79
- 238000004458 analytical method Methods 0.000 claims abstract description 32
- 238000001228 spectrum Methods 0.000 claims description 34
- 230000005534 acoustic noise Effects 0.000 claims description 14
- 230000001965 increasing effect Effects 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 abstract description 17
- 230000004075 alteration Effects 0.000 description 15
- 230000008569 process Effects 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000001755 vocal effect Effects 0.000 description 3
- 206010011878 Deafness Diseases 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 210000004704 glottis Anatomy 0.000 description 2
- 230000010370 hearing loss Effects 0.000 description 2
- 231100000888 hearing loss Toxicity 0.000 description 2
- 208000016354 hearing loss disease Diseases 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000002459 sustained effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Classifications
-
- 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
- G10L21/003—Changing voice quality, e.g. pitch or formants
-
- 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
- G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
- G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
-
- 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
- G10L21/003—Changing voice quality, e.g. pitch or formants
- G10L21/007—Changing voice quality, e.g. pitch or formants characterised by the process used
- G10L21/013—Adapting to target pitch
- G10L2021/0135—Voice conversion or morphing
-
- 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
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/15—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being formant information
-
- 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
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/24—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being the cepstrum
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Telephonic Communication Services (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Document Processing Apparatus (AREA)
- Machine Translation (AREA)
- Telephone Function (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB9714001.6A GB9714001D0 (en) | 1997-07-02 | 1997-07-02 | Method and apparatus for speech enhancement in a speech communication system |
| GB9714001.6 | 1997-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2235455A1 true CA2235455A1 (en) | 1999-01-02 |
Family
ID=10815285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002235455A Abandoned CA2235455A1 (en) | 1997-07-02 | 1998-04-21 | Method and apparatus for speech enhancement in a speech communication system |
Country Status (12)
| Country | Link |
|---|---|
| EP (1) | EP0993670B1 (ko) |
| JP (1) | JP2002507291A (ko) |
| KR (1) | KR20010014352A (ko) |
| CN (1) | CN1265217A (ko) |
| AT (1) | ATE214832T1 (ko) |
| AU (1) | AU8227798A (ko) |
| CA (1) | CA2235455A1 (ko) |
| DE (1) | DE69804310D1 (ko) |
| GB (2) | GB9714001D0 (ko) |
| PL (1) | PL337717A1 (ko) |
| WO (1) | WO1999001863A1 (ko) |
| ZA (1) | ZA985607B (ko) |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9903553D0 (sv) * | 1999-01-27 | 1999-10-01 | Lars Liljeryd | Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL) |
| FR2794322B1 (fr) * | 1999-05-27 | 2001-06-22 | Sagem | Procede de suppression de bruit |
| EP1210765B1 (en) | 1999-07-28 | 2007-03-07 | Clear Audio Ltd. | Filter banked gain control of audio in a noisy environment |
| US6876968B2 (en) * | 2001-03-08 | 2005-04-05 | Matsushita Electric Industrial Co., Ltd. | Run time synthesizer adaptation to improve intelligibility of synthesized speech |
| DE10124189A1 (de) * | 2001-05-17 | 2002-11-21 | Siemens Ag | Verfahren zum Signalempfang |
| JP2003255993A (ja) * | 2002-03-04 | 2003-09-10 | Ntt Docomo Inc | 音声認識システム、音声認識方法、音声認識プログラム、音声合成システム、音声合成方法、音声合成プログラム |
| JP2005530213A (ja) * | 2002-06-19 | 2005-10-06 | 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 | 音声信号処理装置 |
| WO2004068467A1 (en) * | 2003-01-31 | 2004-08-12 | Oticon A/S | Sound system improving speech intelligibility |
| KR20050049103A (ko) * | 2003-11-21 | 2005-05-25 | 삼성전자주식회사 | 포만트 대역을 이용한 다이얼로그 인핸싱 방법 및 장치 |
| WO2006026812A2 (en) * | 2004-09-07 | 2006-03-16 | Sensear Pty Ltd | Apparatus and method for sound enhancement |
| US8280730B2 (en) | 2005-05-25 | 2012-10-02 | Motorola Mobility Llc | Method and apparatus of increasing speech intelligibility in noisy environments |
| GB2433849B (en) | 2005-12-29 | 2008-05-21 | Motorola Inc | Telecommunications terminal and method of operation of the terminal |
| DE102006001730A1 (de) | 2006-01-13 | 2007-07-19 | Robert Bosch Gmbh | Beschallungsanlage, Verfahren zur Verbesserung der Sprachqualität und/oder Verständlichkeit von Sprachdurchsagen sowie Computerprogramm |
| EP1814109A1 (en) * | 2006-01-27 | 2007-08-01 | Texas Instruments Incorporated | Voice amplification apparatus for modelling the Lombard effect |
| JP2007295347A (ja) * | 2006-04-26 | 2007-11-08 | Mitsubishi Electric Corp | 音声処理装置 |
| WO2018127263A2 (en) * | 2017-01-03 | 2018-07-12 | Lizn Aps | Speech intelligibility enhancing system |
| KR101414233B1 (ko) | 2007-01-05 | 2014-07-02 | 삼성전자 주식회사 | 음성 신호의 명료도를 향상시키는 장치 및 방법 |
| JP4926005B2 (ja) | 2007-11-13 | 2012-05-09 | ソニー・エリクソン・モバイルコミュニケーションズ株式会社 | 音声信号処理装置及び音声信号処理方法、通信端末 |
| WO2009086174A1 (en) | 2007-12-21 | 2009-07-09 | Srs Labs, Inc. | System for adjusting perceived loudness of audio signals |
| JP5453740B2 (ja) * | 2008-07-02 | 2014-03-26 | 富士通株式会社 | 音声強調装置 |
| US8538042B2 (en) | 2009-08-11 | 2013-09-17 | Dts Llc | System for increasing perceived loudness of speakers |
| EP2372700A1 (en) * | 2010-03-11 | 2011-10-05 | Oticon A/S | A speech intelligibility predictor and applications thereof |
| PL2737479T3 (pl) | 2011-07-29 | 2017-07-31 | Dts Llc | Adaptacyjna poprawa zrozumiałości głosu |
| CN103002105A (zh) * | 2011-09-16 | 2013-03-27 | 宏碁股份有限公司 | 可增加通讯内容清晰度的移动通讯方法 |
| CN103297896B (zh) * | 2012-02-27 | 2016-07-06 | 联想(北京)有限公司 | 一种音频输出方法及电子设备 |
| US9015044B2 (en) | 2012-03-05 | 2015-04-21 | Malaspina Labs (Barbados) Inc. | Formant based speech reconstruction from noisy signals |
| US9312829B2 (en) | 2012-04-12 | 2016-04-12 | Dts Llc | System for adjusting loudness of audio signals in real time |
| EP3010017A1 (en) * | 2014-10-14 | 2016-04-20 | Thomson Licensing | Method and apparatus for separating speech data from background data in audio communication |
| JP6565206B2 (ja) * | 2015-02-20 | 2019-08-28 | ヤマハ株式会社 | 音声処理装置および音声処理方法 |
| EP3107097B1 (en) | 2015-06-17 | 2017-11-15 | Nxp B.V. | Improved speech intelligilibility |
| US9847093B2 (en) | 2015-06-19 | 2017-12-19 | Samsung Electronics Co., Ltd. | Method and apparatus for processing speech signal |
| JP6790732B2 (ja) * | 2016-11-02 | 2020-11-25 | ヤマハ株式会社 | 信号処理方法、および信号処理装置 |
| CN108369805B (zh) * | 2017-12-27 | 2019-08-13 | 深圳前海达闼云端智能科技有限公司 | 一种语音交互方法、装置和智能终端 |
| CN109346058B (zh) * | 2018-11-29 | 2024-06-28 | 西安交通大学 | 一种语音声学特征扩大系统 |
| US11817114B2 (en) * | 2019-12-09 | 2023-11-14 | Dolby Laboratories Licensing Corporation | Content and environmentally aware environmental noise compensation |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5870292A (ja) * | 1981-10-22 | 1983-04-26 | 日産自動車株式会社 | 車両用音声認識装置 |
| US4538295A (en) * | 1982-08-16 | 1985-08-27 | Nissan Motor Company, Limited | Speech recognition system for an automotive vehicle |
| WO1987000366A1 (en) * | 1985-07-01 | 1987-01-15 | Motorola, Inc. | Noise supression system |
| GB8801014D0 (en) * | 1988-01-18 | 1988-02-17 | British Telecomm | Noise reduction |
| US5235669A (en) * | 1990-06-29 | 1993-08-10 | At&T Laboratories | Low-delay code-excited linear-predictive coding of wideband speech at 32 kbits/sec |
| CA2056110C (en) * | 1991-03-27 | 1997-02-04 | Arnold I. Klayman | Public address intelligibility system |
| FI102337B1 (fi) * | 1995-09-13 | 1998-11-13 | Nokia Mobile Phones Ltd | Menetelmä ja piirijärjestely audiosignaalin käsittelemiseksi |
| GB2306086A (en) * | 1995-10-06 | 1997-04-23 | Richard Morris Trim | Improved adaptive audio systems |
-
1997
- 1997-07-02 GB GBGB9714001.6A patent/GB9714001D0/en not_active Ceased
-
1998
- 1998-04-21 CA CA002235455A patent/CA2235455A1/en not_active Abandoned
- 1998-06-26 ZA ZA9805607A patent/ZA985607B/xx unknown
- 1998-07-01 KR KR1019997012508A patent/KR20010014352A/ko not_active Application Discontinuation
- 1998-07-01 CN CN98807458A patent/CN1265217A/zh active Pending
- 1998-07-01 JP JP50665899A patent/JP2002507291A/ja active Pending
- 1998-07-01 EP EP98932337A patent/EP0993670B1/en not_active Expired - Lifetime
- 1998-07-01 AU AU82277/98A patent/AU8227798A/en not_active Abandoned
- 1998-07-01 DE DE69804310T patent/DE69804310D1/de not_active Expired - Lifetime
- 1998-07-01 AT AT98932337T patent/ATE214832T1/de not_active IP Right Cessation
- 1998-07-01 GB GB9814279A patent/GB2327835B/en not_active Expired - Fee Related
- 1998-07-01 WO PCT/GB1998/001936 patent/WO1999001863A1/en not_active Application Discontinuation
- 1998-07-01 PL PL98337717A patent/PL337717A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB9714001D0 (en) | 1997-09-10 |
| CN1265217A (zh) | 2000-08-30 |
| ZA985607B (en) | 2000-06-01 |
| GB2327835A (en) | 1999-02-03 |
| GB2327835B (en) | 2000-04-19 |
| PL337717A1 (en) | 2000-08-28 |
| WO1999001863A1 (en) | 1999-01-14 |
| GB9814279D0 (en) | 1998-09-02 |
| EP0993670A1 (en) | 2000-04-19 |
| JP2002507291A (ja) | 2002-03-05 |
| KR20010014352A (ko) | 2001-02-26 |
| EP0993670B1 (en) | 2002-03-20 |
| ATE214832T1 (de) | 2002-04-15 |
| AU8227798A (en) | 1999-01-25 |
| DE69804310D1 (de) | 2002-04-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |