DE69624207D1 - Sprachkodierer mit Vorrichtung zur Abschätzung der Abweichung des Leistungsverlaufs eines synthetischen Signals von einem Eingangssignal - Google Patents
Sprachkodierer mit Vorrichtung zur Abschätzung der Abweichung des Leistungsverlaufs eines synthetischen Signals von einem EingangssignalInfo
- Publication number
- DE69624207D1 DE69624207D1 DE69624207T DE69624207T DE69624207D1 DE 69624207 D1 DE69624207 D1 DE 69624207D1 DE 69624207 T DE69624207 T DE 69624207T DE 69624207 T DE69624207 T DE 69624207T DE 69624207 D1 DE69624207 D1 DE 69624207D1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- circuit
- speech
- speech signal
- synthetic
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32850595A JP3481027B2 (ja) | 1995-12-18 | 1995-12-18 | 音声符号化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69624207D1 true DE69624207D1 (de) | 2002-11-14 |
DE69624207T2 DE69624207T2 (de) | 2003-07-31 |
Family
ID=18211030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69624207T Expired - Lifetime DE69624207T2 (de) | 1995-12-18 | 1996-12-12 | Sprachkodierer mit Vorrichtung zur Abschätzung der Abweichung des Leistungsverlaufs eines synthetischen Signals von einem Eingangssignal |
Country Status (5)
Country | Link |
---|---|
US (1) | US5905970A (de) |
EP (1) | EP0780832B1 (de) |
JP (1) | JP3481027B2 (de) |
CN (1) | CN1159044A (de) |
DE (1) | DE69624207T2 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI114248B (fi) * | 1997-03-14 | 2004-09-15 | Nokia Corp | Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen |
JP4606418B2 (ja) * | 2004-10-13 | 2011-01-05 | パナソニック株式会社 | スケーラブル符号化装置、スケーラブル復号装置及びスケーラブル符号化方法 |
KR20060067016A (ko) * | 2004-12-14 | 2006-06-19 | 엘지전자 주식회사 | 음성 부호화 장치 및 방법 |
CN105007094B (zh) * | 2015-07-16 | 2017-05-31 | 北京中宸泓昌科技有限公司 | 一种指数对扩频编码解码方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5396576A (en) * | 1991-05-22 | 1995-03-07 | Nippon Telegraph And Telephone Corporation | Speech coding and decoding methods using adaptive and random code books |
JP3073283B2 (ja) * | 1991-09-17 | 2000-08-07 | 沖電気工業株式会社 | 励振コードベクトル出力回路 |
JPH06130995A (ja) * | 1992-10-16 | 1994-05-13 | Oki Electric Ind Co Ltd | 統計コードブック及びその作成方法 |
JP3088204B2 (ja) * | 1992-10-16 | 2000-09-18 | 沖電気工業株式会社 | コード励振線形予測符号化装置及び復号化装置 |
JPH06130998A (ja) * | 1992-10-22 | 1994-05-13 | Oki Electric Ind Co Ltd | 圧縮音声復号化装置 |
FI96247C (fi) * | 1993-02-12 | 1996-05-27 | Nokia Telecommunications Oy | Menetelmä puheen muuntamiseksi |
US5727122A (en) * | 1993-06-10 | 1998-03-10 | Oki Electric Industry Co., Ltd. | Code excitation linear predictive (CELP) encoder and decoder and code excitation linear predictive coding method |
JP3262652B2 (ja) * | 1993-11-10 | 2002-03-04 | 沖電気工業株式会社 | 音声符号化装置及び音声復号化装置 |
US5602959A (en) * | 1994-12-05 | 1997-02-11 | Motorola, Inc. | Method and apparatus for characterization and reconstruction of speech excitation waveforms |
-
1995
- 1995-12-18 JP JP32850595A patent/JP3481027B2/ja not_active Expired - Fee Related
-
1996
- 1996-12-11 US US08/763,439 patent/US5905970A/en not_active Expired - Fee Related
- 1996-12-12 EP EP96309062A patent/EP0780832B1/de not_active Expired - Lifetime
- 1996-12-12 DE DE69624207T patent/DE69624207T2/de not_active Expired - Lifetime
- 1996-12-18 CN CN96123139A patent/CN1159044A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CN1159044A (zh) | 1997-09-10 |
DE69624207T2 (de) | 2003-07-31 |
JP3481027B2 (ja) | 2003-12-22 |
EP0780832A3 (de) | 1998-09-09 |
US5905970A (en) | 1999-05-18 |
JPH09167000A (ja) | 1997-06-24 |
EP0780832B1 (de) | 2002-10-09 |
EP0780832A2 (de) | 1997-06-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |