EP1544848A3 - Amélioration de la qualité d'un signal audio dans le domaine codé - Google Patents
Amélioration de la qualité d'un signal audio dans le domaine codé Download PDFInfo
- Publication number
- EP1544848A3 EP1544848A3 EP04029839A EP04029839A EP1544848A3 EP 1544848 A3 EP1544848 A3 EP 1544848A3 EP 04029839 A EP04029839 A EP 04029839A EP 04029839 A EP04029839 A EP 04029839A EP 1544848 A3 EP1544848 A3 EP 1544848A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- parameter
- parameter value
- value
- enhanced
- index
- 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.)
- Granted
Links
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 230000005236 sound signal Effects 0.000 abstract 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
- 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
- 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
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20040029839 EP1544848B1 (fr) | 2003-12-18 | 2004-12-16 | Amélioration de la qualité d'un signal audio dans le domaine codé |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03029182 | 2003-12-18 | ||
| EP03029182 | 2003-12-18 | ||
| US10/803,103 US7613607B2 (en) | 2003-12-18 | 2004-03-18 | Audio enhancement in coded domain |
| US803103 | 2004-03-18 | ||
| EP20040029839 EP1544848B1 (fr) | 2003-12-18 | 2004-12-16 | Amélioration de la qualité d'un signal audio dans le domaine codé |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1544848A2 EP1544848A2 (fr) | 2005-06-22 |
| EP1544848A3 true EP1544848A3 (fr) | 2005-09-21 |
| EP1544848B1 EP1544848B1 (fr) | 2010-01-20 |
Family
ID=34527388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20040029839 Expired - Lifetime EP1544848B1 (fr) | 2003-12-18 | 2004-12-16 | Amélioration de la qualité d'un signal audio dans le domaine codé |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP1544848B1 (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8874437B2 (en) | 2005-03-28 | 2014-10-28 | Tellabs Operations, Inc. | Method and apparatus for modifying an encoded signal for voice quality enhancement |
| US20070160154A1 (en) * | 2005-03-28 | 2007-07-12 | Sukkar Rafid A | Method and apparatus for injecting comfort noise in a communications signal |
| US20060217972A1 (en) * | 2005-03-28 | 2006-09-28 | Tellabs Operations, Inc. | Method and apparatus for modifying an encoded signal |
| EP2276023A3 (fr) * | 2005-11-30 | 2011-10-05 | Telefonaktiebolaget LM Ericsson (publ) | Conversion efficace d'un flux de parole |
| US8032365B2 (en) | 2007-08-31 | 2011-10-04 | Tellabs Operations, Inc. | Method and apparatus for controlling echo in the coded domain |
| EP2518986B1 (fr) | 2011-07-25 | 2018-03-21 | Huawei Technologies Co., Ltd. | Dispositif et procédé pour le traitement d'écho dans un domaine paramétrique |
| US10056080B2 (en) * | 2016-10-18 | 2018-08-21 | Ford Global Technologies, Llc | Identifying contacts using speech recognition |
| CN109286470B (zh) * | 2018-09-28 | 2020-07-10 | 华中科技大学 | 一种主动非线性变换信道加扰传输方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999040569A2 (fr) * | 1998-02-09 | 1999-08-12 | Nokia Networks Oy | Procede de decodage, unite de traitement du codage de la parole et element de reseau |
| EP1081684A2 (fr) * | 1999-09-01 | 2001-03-07 | Sony Corporation | Procédé pour l'édition d'un signal audio codé par sous-bande |
| WO2003098598A1 (fr) * | 2002-05-13 | 2003-11-27 | Conexant Systems, Inc. | Transcodage de la voix dans un environnement de reseau a commutation par paquets |
-
2004
- 2004-12-16 EP EP20040029839 patent/EP1544848B1/fr not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999040569A2 (fr) * | 1998-02-09 | 1999-08-12 | Nokia Networks Oy | Procede de decodage, unite de traitement du codage de la parole et element de reseau |
| EP1081684A2 (fr) * | 1999-09-01 | 2001-03-07 | Sony Corporation | Procédé pour l'édition d'un signal audio codé par sous-bande |
| WO2003098598A1 (fr) * | 2002-05-13 | 2003-11-27 | Conexant Systems, Inc. | Transcodage de la voix dans un environnement de reseau a commutation par paquets |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1544848B1 (fr) | 2010-01-20 |
| EP1544848A2 (fr) | 2005-06-22 |
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