ATE408217T1 - Audiokodierer, audiodekodierer und audioprozessor mit einer dynamisch variablen warp-charakteristik - Google Patents
Audiokodierer, audiodekodierer und audioprozessor mit einer dynamisch variablen warp-charakteristikInfo
- Publication number
- ATE408217T1 ATE408217T1 AT06013604T AT06013604T ATE408217T1 AT E408217 T1 ATE408217 T1 AT E408217T1 AT 06013604 T AT06013604 T AT 06013604T AT 06013604 T AT06013604 T AT 06013604T AT E408217 T1 ATE408217 T1 AT E408217T1
- Authority
- AT
- Austria
- Prior art keywords
- audio
- filter
- characteristic
- processor
- encoder
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 abstract 4
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
- G10L19/18—Vocoders using multiple modes
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- 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
- G10L19/26—Pre-filtering or post-filtering
- G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
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)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06013604A EP1873754B1 (fr) | 2006-06-30 | 2006-06-30 | Codeur audio, décodeur audio et processeur audio à caractéristique de warping variable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE408217T1 true ATE408217T1 (de) | 2008-09-15 |
Family
ID=37402718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT06013604T ATE408217T1 (de) | 2006-06-30 | 2006-06-30 | Audiokodierer, audiodekodierer und audioprozessor mit einer dynamisch variablen warp-charakteristik |
Country Status (4)
| Country | Link |
|---|---|
| EP (2) | EP1990799A1 (fr) |
| AT (1) | ATE408217T1 (fr) |
| DE (1) | DE602006002739D1 (fr) |
| HK (1) | HK1109817A1 (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2445719C2 (ru) * | 2010-04-21 | 2012-03-20 | Государственное образовательное учреждение высшего профессионального образования Академия Федеральной службы охраны Российской Федерации (Академия ФСО России) | Способ улучшения восприятия синтезированной речи при реализации процедуры анализа через синтез в вокодерах с линейным предсказанием |
| CA3160488C (fr) | 2010-07-02 | 2023-09-05 | Dolby International Ab | Decodage audio avec post-filtrage selectif |
| AU2014211583B2 (en) | 2013-01-29 | 2017-01-05 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for selecting one of a first audio encoding algorithm and a second audio encoding algorithm |
| EP2980794A1 (fr) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codeur et décodeur audio utilisant un processeur du domaine fréquentiel et processeur de domaine temporel |
| EP2980801A1 (fr) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Procédé d'estimation de bruit dans un signal audio, estimateur de bruit, encodeur audio, décodeur audio et système de transmission de signaux audio |
| EP2980795A1 (fr) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codage et décodage audio à l'aide d'un processeur de domaine fréquentiel, processeur de domaine temporel et processeur transversal pour l'initialisation du processeur de domaine temporel |
| EP3079151A1 (fr) * | 2015-04-09 | 2016-10-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codeur audio et procédé de codage d'un signal audio |
-
2006
- 2006-06-30 DE DE602006002739T patent/DE602006002739D1/de active Active
- 2006-06-30 EP EP08014723A patent/EP1990799A1/fr not_active Withdrawn
- 2006-06-30 AT AT06013604T patent/ATE408217T1/de not_active IP Right Cessation
- 2006-06-30 EP EP06013604A patent/EP1873754B1/fr active Active
-
2008
- 2008-03-27 HK HK08103465A patent/HK1109817A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP1873754B1 (fr) | 2008-09-10 |
| EP1873754A1 (fr) | 2008-01-02 |
| EP1990799A1 (fr) | 2008-11-12 |
| DE602006002739D1 (de) | 2008-10-23 |
| HK1109817A1 (en) | 2008-06-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |