DE69530442D1 - Vorrichtung zur Sprachkodierung - Google Patents
Vorrichtung zur SprachkodierungInfo
- Publication number
- DE69530442D1 DE69530442D1 DE69530442T DE69530442T DE69530442D1 DE 69530442 D1 DE69530442 D1 DE 69530442D1 DE 69530442 T DE69530442 T DE 69530442T DE 69530442 T DE69530442 T DE 69530442T DE 69530442 D1 DE69530442 D1 DE 69530442D1
- Authority
- DE
- Germany
- Prior art keywords
- speech coding
- speech
- coding
- 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.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L2019/0001—Codebooks
- G10L2019/0002—Codebook adaptations
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L2019/0001—Codebooks
- G10L2019/0011—Long term prediction filters, i.e. pitch estimation
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L2019/0001—Codebooks
- G10L2019/0013—Codebook search algorithms
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L25/12—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 prediction coefficients
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19895094A JP3153075B2 (ja) | 1994-08-02 | 1994-08-02 | 音声符号化装置 |
JP6214838A JP2907019B2 (ja) | 1994-09-08 | 1994-09-08 | 音声符号化装置 |
JP7000300A JP3003531B2 (ja) | 1995-01-05 | 1995-01-05 | 音声符号化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69530442D1 true DE69530442D1 (de) | 2003-05-28 |
DE69530442T2 DE69530442T2 (de) | 2003-10-23 |
Family
ID=27274401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69530442T Expired - Lifetime DE69530442T2 (de) | 1994-08-02 | 1995-08-01 | Vorrichtung zur Sprachkodierung |
Country Status (4)
Country | Link |
---|---|
US (1) | US5778334A (de) |
EP (3) | EP1093116A1 (de) |
CA (1) | CA2154911C (de) |
DE (1) | DE69530442T2 (de) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2729247A1 (fr) * | 1995-01-06 | 1996-07-12 | Matra Communication | Procede de codage de parole a analyse par synthese |
JPH09230896A (ja) * | 1996-02-28 | 1997-09-05 | Sony Corp | 音声合成装置 |
CA2213909C (en) * | 1996-08-26 | 2002-01-22 | Nec Corporation | High quality speech coder at low bit rates |
US6014622A (en) * | 1996-09-26 | 2000-01-11 | Rockwell Semiconductor Systems, Inc. | Low bit rate speech coder using adaptive open-loop subframe pitch lag estimation and vector quantization |
JP3575967B2 (ja) * | 1996-12-02 | 2004-10-13 | 沖電気工業株式会社 | 音声通信システムおよび音声通信方法 |
JP3134817B2 (ja) * | 1997-07-11 | 2001-02-13 | 日本電気株式会社 | 音声符号化復号装置 |
US6199037B1 (en) * | 1997-12-04 | 2001-03-06 | Digital Voice Systems, Inc. | Joint quantization of speech subframe voicing metrics and fundamental frequencies |
EP1426925B1 (de) * | 1997-12-24 | 2006-08-02 | Mitsubishi Denki Kabushiki Kaisha | Audio Dekodierverfahren und -vorrichtung |
JP3902860B2 (ja) | 1998-03-09 | 2007-04-11 | キヤノン株式会社 | 音声合成制御装置及びその制御方法、コンピュータ可読メモリ |
US6175654B1 (en) * | 1998-03-26 | 2001-01-16 | Intel Corporation | Method and apparatus for encoding data in an interframe video encoder |
US6470309B1 (en) * | 1998-05-08 | 2002-10-22 | Texas Instruments Incorporated | Subframe-based correlation |
JP3319396B2 (ja) * | 1998-07-13 | 2002-08-26 | 日本電気株式会社 | 音声符号化装置ならびに音声符号化復号化装置 |
US6449590B1 (en) * | 1998-08-24 | 2002-09-10 | Conexant Systems, Inc. | Speech encoder using warping in long term preprocessing |
KR20010072035A (ko) * | 1999-05-26 | 2001-07-31 | 요트.게.아. 롤페즈 | 오디오 신호 송신 시스템 |
EP1132892B1 (de) * | 1999-08-23 | 2011-07-27 | Panasonic Corporation | Sprachkodierung und -dekodierungssystem |
US6574593B1 (en) * | 1999-09-22 | 2003-06-03 | Conexant Systems, Inc. | Codebook tables for encoding and decoding |
US6377916B1 (en) | 1999-11-29 | 2002-04-23 | Digital Voice Systems, Inc. | Multiband harmonic transform coder |
EP2040253B1 (de) | 2000-04-24 | 2012-04-11 | Qualcomm Incorporated | Prädikitve Dequantisierung von stimmhaften Sprachsignalen |
FI119955B (fi) * | 2001-06-21 | 2009-05-15 | Nokia Corp | Menetelmä, kooderi ja laite puheenkoodaukseen synteesi-analyysi puhekoodereissa |
JP4108317B2 (ja) * | 2001-11-13 | 2008-06-25 | 日本電気株式会社 | 符号変換方法及び装置とプログラム並びに記憶媒体 |
US20040167772A1 (en) * | 2003-02-26 | 2004-08-26 | Engin Erzin | Speech coding and decoding in a voice communication system |
US9058812B2 (en) * | 2005-07-27 | 2015-06-16 | Google Technology Holdings LLC | Method and system for coding an information signal using pitch delay contour adjustment |
US8326609B2 (en) * | 2006-06-29 | 2012-12-04 | Lg Electronics Inc. | Method and apparatus for an audio signal processing |
EP2101319B1 (de) * | 2006-12-15 | 2015-09-16 | Panasonic Intellectual Property Corporation of America | Einrichtung zur adaptiven schallquellen-vektorquantisierung und verfahren dafür |
WO2008072736A1 (ja) * | 2006-12-15 | 2008-06-19 | Panasonic Corporation | 適応音源ベクトル量子化装置および適応音源ベクトル量子化方法 |
DK2128858T3 (da) * | 2007-03-02 | 2013-07-01 | Panasonic Corp | Kodningsindretning og kodningsfremgangsmåde |
US8027798B2 (en) * | 2007-11-08 | 2011-09-27 | International Business Machines Corporation | Digital thermal sensor test implementation without using main core voltage supply |
CA2729751C (en) * | 2008-07-10 | 2017-10-24 | Voiceage Corporation | Device and method for quantizing and inverse quantizing lpc filters in a super-frame |
GB2466674B (en) | 2009-01-06 | 2013-11-13 | Skype | Speech coding |
GB2466673B (en) | 2009-01-06 | 2012-11-07 | Skype | Quantization |
GB2466670B (en) | 2009-01-06 | 2012-11-14 | Skype | Speech encoding |
GB2466675B (en) | 2009-01-06 | 2013-03-06 | Skype | Speech coding |
GB2466672B (en) | 2009-01-06 | 2013-03-13 | Skype | Speech coding |
GB2466669B (en) | 2009-01-06 | 2013-03-06 | Skype | Speech coding |
GB2466671B (en) | 2009-01-06 | 2013-03-27 | Skype | Speech encoding |
WO2010150767A1 (ja) * | 2009-06-23 | 2010-12-29 | 日本電信電話株式会社 | 符号化方法、復号方法、それらの方法を用いた装置、プログラム |
US8452606B2 (en) | 2009-09-29 | 2013-05-28 | Skype | Speech encoding using multiple bit rates |
KR101747917B1 (ko) | 2010-10-18 | 2017-06-15 | 삼성전자주식회사 | 선형 예측 계수를 양자화하기 위한 저복잡도를 가지는 가중치 함수 결정 장치 및 방법 |
EP2798631B1 (de) | 2011-12-21 | 2016-03-23 | Huawei Technologies Co., Ltd. | Adaptive codierung der sprachgrundfrequenz für stimmhafte sprache |
CN103426441B (zh) | 2012-05-18 | 2016-03-02 | 华为技术有限公司 | 检测基音周期的正确性的方法和装置 |
EP3706121B1 (de) | 2014-05-01 | 2021-05-12 | Nippon Telegraph and Telephone Corporation | Tonsignalcodierungsvorrichtung, tonsignalcodierungsverfahren, programm und aufzeichnungsmedium |
CN113113001A (zh) * | 2021-04-20 | 2021-07-13 | 深圳市友杰智新科技有限公司 | 人声激活检测方法、装置、计算机设备和存储介质 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0229700A (ja) | 1988-07-19 | 1990-01-31 | Ricoh Co Ltd | 音声パターン照合方式 |
JPH03155949A (ja) | 1989-11-13 | 1991-07-03 | Seiko Epson Corp | インクジェットヘッド |
JP2688102B2 (ja) | 1990-03-13 | 1997-12-08 | シャープ株式会社 | 光波長変換装置 |
JP3114197B2 (ja) | 1990-11-02 | 2000-12-04 | 日本電気株式会社 | 音声パラメータ符号化方法 |
JP3151874B2 (ja) * | 1991-02-26 | 2001-04-03 | 日本電気株式会社 | 音声パラメータ符号化方式および装置 |
JP3143956B2 (ja) | 1991-06-27 | 2001-03-07 | 日本電気株式会社 | 音声パラメータ符号化方式 |
JPH058737A (ja) | 1991-07-03 | 1993-01-19 | Hino Motors Ltd | 車両のステアリング装置 |
US5253269A (en) * | 1991-09-05 | 1993-10-12 | Motorola, Inc. | Delta-coded lag information for use in a speech coder |
US5233660A (en) * | 1991-09-10 | 1993-08-03 | At&T Bell Laboratories | Method and apparatus for low-delay celp speech coding and decoding |
JP2746039B2 (ja) * | 1993-01-22 | 1998-04-28 | 日本電気株式会社 | 音声符号化方式 |
-
1995
- 1995-07-28 CA CA002154911A patent/CA2154911C/en not_active Expired - Fee Related
- 1995-08-01 DE DE69530442T patent/DE69530442T2/de not_active Expired - Lifetime
- 1995-08-01 EP EP00128160A patent/EP1093116A1/de not_active Withdrawn
- 1995-08-01 EP EP00128106A patent/EP1093115A3/de not_active Withdrawn
- 1995-08-01 EP EP95112094A patent/EP0696026B1/de not_active Expired - Lifetime
- 1995-08-02 US US08/510,217 patent/US5778334A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2154911C (en) | 2001-01-02 |
EP0696026A3 (de) | 1998-01-21 |
EP0696026B1 (de) | 2003-04-23 |
EP1093115A3 (de) | 2001-05-02 |
DE69530442T2 (de) | 2003-10-23 |
US5778334A (en) | 1998-07-07 |
EP1093115A2 (de) | 2001-04-18 |
EP1093116A1 (de) | 2001-04-18 |
CA2154911A1 (en) | 1996-02-03 |
EP0696026A2 (de) | 1996-02-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |