EP0954851A4 - - Google Patents
Info
- Publication number
- EP0954851A4 EP0954851A4 EP97907830A EP97907830A EP0954851A4 EP 0954851 A4 EP0954851 A4 EP 0954851A4 EP 97907830 A EP97907830 A EP 97907830A EP 97907830 A EP97907830 A EP 97907830A EP 0954851 A4 EP0954851 A4 EP 0954851A4
- Authority
- EP
- European Patent Office
- 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.)
- Withdrawn
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
- G10L19/002—Dynamic bit allocation
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0212—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 spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1229696P | 1996-02-26 | 1996-02-26 | |
| US12296P | 1996-02-26 | ||
| PCT/US1997/002898 WO1997031367A1 (en) | 1996-02-26 | 1997-02-26 | Multi-stage speech coder with transform coding of prediction residual signals with quantization by auditory models |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0954851A1 EP0954851A1 (en) | 1999-11-10 |
| EP0954851A4 true EP0954851A4 (it) | 1999-11-10 |
Family
ID=21754300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97907830A Withdrawn EP0954851A1 (en) | 1996-02-26 | 1997-02-26 | Multi-stage speech coder with transform coding of prediction residual signals with quantization by auditory models |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0954851A1 (it) |
| JP (1) | JPH11504733A (it) |
| CA (1) | CA2219358A1 (it) |
| MX (1) | MX9708203A (it) |
| WO (1) | WO1997031367A1 (it) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6397178B1 (en) * | 1998-09-18 | 2002-05-28 | Conexant Systems, Inc. | Data organizational scheme for enhanced selection of gain parameters for speech coding |
| US6778953B1 (en) * | 2000-06-02 | 2004-08-17 | Agere Systems Inc. | Method and apparatus for representing masked thresholds in a perceptual audio coder |
| CN1244904C (zh) * | 2001-05-08 | 2006-03-08 | 皇家菲利浦电子有限公司 | 声频信号编码方法和设备 |
| DE602004030594D1 (de) | 2003-10-07 | 2011-01-27 | Panasonic Corp | Verfahren zur entscheidung der zeitgrenze zur codierung der spektro-hülle und frequenzauflösung |
| DE102006022346B4 (de) * | 2006-05-12 | 2008-02-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Informationssignalcodierung |
| IL295473B2 (en) | 2010-07-02 | 2023-10-01 | Dolby Int Ab | After–selective bass filter |
| WO2012161675A1 (en) * | 2011-05-20 | 2012-11-29 | Google Inc. | Redundant coding unit for audio codec |
| US9390722B2 (en) * | 2011-10-24 | 2016-07-12 | Lg Electronics Inc. | Method and device for quantizing voice signals in a band-selective manner |
| CN111862995A (zh) * | 2020-06-22 | 2020-10-30 | 北京达佳互联信息技术有限公司 | 一种码率确定模型训练方法、码率确定方法及装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5012517A (en) * | 1989-04-18 | 1991-04-30 | Pacific Communication Science, Inc. | Adaptive transform coder having long term predictor |
| FR2700632B1 (fr) * | 1993-01-21 | 1995-03-24 | France Telecom | Système de codage-décodage prédictif d'un signal numérique de parole par transformée adaptative à codes imbriqués. |
-
1997
- 1997-02-26 JP JP9530382A patent/JPH11504733A/ja active Pending
- 1997-02-26 WO PCT/US1997/002898 patent/WO1997031367A1/en not_active Application Discontinuation
- 1997-02-26 EP EP97907830A patent/EP0954851A1/en not_active Withdrawn
- 1997-02-26 MX MX9708203A patent/MX9708203A/es unknown
- 1997-02-26 CA CA 2219358 patent/CA2219358A1/en not_active Abandoned
Non-Patent Citations (2)
| Title |
|---|
| No further relevant documents disclosed * |
| See also references of WO9731367A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| MX9708203A (es) | 1997-12-31 |
| EP0954851A1 (en) | 1999-11-10 |
| JPH11504733A (ja) | 1999-04-27 |
| CA2219358A1 (en) | 1997-08-28 |
| WO1997031367A1 (en) | 1997-08-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 19971127 |
|
| A4 | Supplementary search report drawn up and despatched |
Effective date: 19980519 |
|
| AK | Designated contracting states |
Kind code of ref document: A4 Designated state(s): DE FR GB Kind code of ref document: A1 Designated state(s): DE FR GB |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20000901 |