ES2361154T3 - Procedimiento para la interoperación entre codecs de la voz de banda ancha tasa múltiple adaptativo (amr-wr) y de banda ancha, tasa de bits variable modo múltiple (vmr-wb). - Google Patents
Procedimiento para la interoperación entre codecs de la voz de banda ancha tasa múltiple adaptativo (amr-wr) y de banda ancha, tasa de bits variable modo múltiple (vmr-wb). Download PDFInfo
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- ES2361154T3 ES2361154T3 ES03769097T ES03769097T ES2361154T3 ES 2361154 T3 ES2361154 T3 ES 2361154T3 ES 03769097 T ES03769097 T ES 03769097T ES 03769097 T ES03769097 T ES 03769097T ES 2361154 T3 ES2361154 T3 ES 2361154T3
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Classifications
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- 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- 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
- G10L19/16—Vocoder architecture
- G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
-
- 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
- G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
-
- 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
- G10L19/012—Comfort noise or silence coding
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)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Filters That Use Time-Delay Elements (AREA)
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Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US41766702P | 2002-10-11 | 2002-10-11 | |
| US417667P | 2002-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2361154T3 true ES2361154T3 (es) | 2011-06-14 |
Family
ID=32094059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES03769097T Expired - Lifetime ES2361154T3 (es) | 2002-10-11 | 2003-10-10 | Procedimiento para la interoperación entre codecs de la voz de banda ancha tasa múltiple adaptativo (amr-wr) y de banda ancha, tasa de bits variable modo múltiple (vmr-wb). |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US7203638B2 (https=) |
| EP (2) | EP1550108A2 (https=) |
| JP (2) | JP2006502426A (https=) |
| KR (2) | KR100711280B1 (https=) |
| CN (2) | CN1703736A (https=) |
| AT (1) | ATE505786T1 (https=) |
| AU (2) | AU2003278013A1 (https=) |
| BR (2) | BR0315179A (https=) |
| CA (2) | CA2501368C (https=) |
| DE (1) | DE60336744D1 (https=) |
| EG (1) | EG23923A (https=) |
| ES (1) | ES2361154T3 (https=) |
| MY (2) | MY134085A (https=) |
| RU (2) | RU2331933C2 (https=) |
| WO (2) | WO2004034379A2 (https=) |
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| FR2867648A1 (fr) * | 2003-12-10 | 2005-09-16 | France Telecom | Transcodage entre indices de dictionnaires multi-impulsionnels utilises en codage en compression de signaux numeriques |
| WO2005089055A2 (en) | 2004-03-19 | 2005-09-29 | Nortel Networks Limited | Communicating processing capabilites along a communications path |
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| DE69233794D1 (de) * | 1991-06-11 | 2010-09-23 | Qualcomm Inc | Vocoder mit veränderlicher Bitrate |
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- 2003-10-09 RU RU2005113877/09A patent/RU2331933C2/ru active
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