ES2136649T3 - Desplazamiento de tiempo para codificacion con analisis por sintesis. - Google Patents
Desplazamiento de tiempo para codificacion con analisis por sintesis.Info
- Publication number
- ES2136649T3 ES2136649T3 ES93309580T ES93309580T ES2136649T3 ES 2136649 T3 ES2136649 T3 ES 2136649T3 ES 93309580 T ES93309580 T ES 93309580T ES 93309580 T ES93309580 T ES 93309580T ES 2136649 T3 ES2136649 T3 ES 2136649T3
- Authority
- ES
- Spain
- Prior art keywords
- original signal
- signal
- trial
- analysis
- 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 TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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 TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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 TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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 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
- G10L25/06—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 correlation coefficients
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US99030992A | 1992-12-14 | 1992-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2136649T3 true ES2136649T3 (es) | 1999-12-01 |
Family
ID=25536013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES93309580T Expired - Lifetime ES2136649T3 (es) | 1992-12-14 | 1993-12-01 | Desplazamiento de tiempo para codificacion con analisis por sintesis. |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0602826B1 (fr) |
| JP (1) | JP3770925B2 (fr) |
| CA (1) | CA2102080C (fr) |
| DE (1) | DE69326126T2 (fr) |
| ES (1) | ES2136649T3 (fr) |
| MX (1) | MX9307743A (fr) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5704003A (en) * | 1995-09-19 | 1997-12-30 | Lucent Technologies Inc. | RCELP coder |
| CA2213909C (fr) * | 1996-08-26 | 2002-01-22 | Nec Corporation | Codeur de paroles haute qualite utilisant de faibles debits binaires |
| FI113903B (fi) * | 1997-05-07 | 2004-06-30 | Nokia Corp | Puheen koodaus |
| JP4857467B2 (ja) * | 2001-01-25 | 2012-01-18 | ソニー株式会社 | データ処理装置およびデータ処理方法、並びにプログラムおよび記録媒体 |
| JP4857468B2 (ja) * | 2001-01-25 | 2012-01-18 | ソニー株式会社 | データ処理装置およびデータ処理方法、並びにプログラムおよび記録媒体 |
| JP3888097B2 (ja) | 2001-08-02 | 2007-02-28 | 松下電器産業株式会社 | ピッチ周期探索範囲設定装置、ピッチ周期探索装置、復号化適応音源ベクトル生成装置、音声符号化装置、音声復号化装置、音声信号送信装置、音声信号受信装置、移動局装置、及び基地局装置 |
| CA2365203A1 (fr) | 2001-12-14 | 2003-06-14 | Voiceage Corporation | Methode de modification de signal pour le codage efficace de signaux de la parole |
| JP4767687B2 (ja) | 2003-10-07 | 2011-09-07 | パナソニック株式会社 | スペクトル包絡線符号化のための時間境界及び周波数分解能の決定方法 |
| FI118704B (fi) | 2003-10-07 | 2008-02-15 | Nokia Corp | Menetelmä ja laite lähdekoodauksen tekemiseksi |
| US8744091B2 (en) * | 2010-11-12 | 2014-06-03 | Apple Inc. | Intelligibility control using ambient noise detection |
| ES2900594T3 (es) * | 2012-11-13 | 2022-03-17 | Samsung Electronics Co Ltd | Procedimiento para determinar un modo de codificación |
| CN120858406A (zh) * | 2023-03-21 | 2025-10-28 | 瑞典爱立信有限公司 | 颗粒合成数据库的编码 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8902347A (nl) * | 1989-09-20 | 1991-04-16 | Nederland Ptt | Werkwijze voor het coderen van een binnen een zeker tijdsinterval voorkomend analoog signaal, waarbij dat analoge signaal wordt geconverteerd in besturingscodes die bruikbaar zijn voor het samenstellen van een met dat analoge signaal overeenkomend synthetisch signaal. |
| US5323486A (en) * | 1990-09-14 | 1994-06-21 | Fujitsu Limited | Speech coding system having codebook storing differential vectors between each two adjoining code vectors |
| EP0539103B1 (fr) * | 1991-10-25 | 1998-04-29 | AT&T Corp. | Méthode généralisée d'analyse par synthèse et dispositif pour le codage de la parole |
-
1993
- 1993-10-29 CA CA002102080A patent/CA2102080C/fr not_active Expired - Lifetime
- 1993-12-01 ES ES93309580T patent/ES2136649T3/es not_active Expired - Lifetime
- 1993-12-01 EP EP93309580A patent/EP0602826B1/fr not_active Expired - Lifetime
- 1993-12-01 DE DE69326126T patent/DE69326126T2/de not_active Expired - Lifetime
- 1993-12-08 MX MX9307743A patent/MX9307743A/es not_active IP Right Cessation
- 1993-12-14 JP JP34203493A patent/JP3770925B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69326126D1 (de) | 1999-09-30 |
| CA2102080C (fr) | 1998-07-28 |
| EP0602826A2 (fr) | 1994-06-22 |
| CA2102080A1 (fr) | 1994-06-15 |
| JPH06214600A (ja) | 1994-08-05 |
| JP3770925B2 (ja) | 2006-04-26 |
| EP0602826B1 (fr) | 1999-08-25 |
| DE69326126T2 (de) | 2000-07-06 |
| EP0602826A3 (fr) | 1994-12-07 |
| MX9307743A (es) | 1994-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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