AU2002215135A1 - System for coding speech information using an adaptive codebook with enhanced variable resolution scheme - Google Patents
System for coding speech information using an adaptive codebook with enhanced variable resolution schemeInfo
- Publication number
- AU2002215135A1 AU2002215135A1 AU2002215135A AU1513502A AU2002215135A1 AU 2002215135 A1 AU2002215135 A1 AU 2002215135A1 AU 2002215135 A AU2002215135 A AU 2002215135A AU 1513502 A AU1513502 A AU 1513502A AU 2002215135 A1 AU2002215135 A1 AU 2002215135A1
- Authority
- AU
- Australia
- Prior art keywords
- speech information
- adaptive codebook
- variable resolution
- enhanced variable
- resolution scheme
- 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.)
- Abandoned
Links
- 230000003044 adaptive effect Effects 0.000 title 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
-
- 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
-
- 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
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)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23304600P | 2000-09-15 | 2000-09-15 | |
US60233046 | 2000-09-15 | ||
US09782383 | 2001-02-12 | ||
US09/782,383 US6760698B2 (en) | 2000-09-15 | 2001-02-12 | System for coding speech information using an adaptive codebook with enhanced variable resolution scheme |
PCT/IB2001/001720 WO2002023531A1 (en) | 2000-09-15 | 2001-09-17 | System for coding speech information using an adaptive codebook with enhanced variable resolution scheme |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2002215135A1 true AU2002215135A1 (en) | 2002-03-26 |
Family
ID=26926587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2002215135A Abandoned AU2002215135A1 (en) | 2000-09-15 | 2001-09-17 | System for coding speech information using an adaptive codebook with enhanced variable resolution scheme |
Country Status (3)
Country | Link |
---|---|
US (1) | US6760698B2 (en) |
AU (1) | AU2002215135A1 (en) |
WO (1) | WO2002023531A1 (en) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6996522B2 (en) * | 2001-03-13 | 2006-02-07 | Industrial Technology Research Institute | Celp-Based speech coding for fine grain scalability by altering sub-frame pitch-pulse |
US6934677B2 (en) | 2001-12-14 | 2005-08-23 | Microsoft Corporation | Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands |
US7240001B2 (en) | 2001-12-14 | 2007-07-03 | Microsoft Corporation | Quality improvement techniques in an audio encoder |
US20030135374A1 (en) * | 2002-01-16 | 2003-07-17 | Hardwick John C. | Speech synthesizer |
WO2003079330A1 (en) * | 2002-03-12 | 2003-09-25 | Dilithium Networks Pty Limited | Method for adaptive codebook pitch-lag computation in audio transcoders |
US7502743B2 (en) * | 2002-09-04 | 2009-03-10 | Microsoft Corporation | Multi-channel audio encoding and decoding with multi-channel transform selection |
US7460990B2 (en) | 2004-01-23 | 2008-12-02 | Microsoft Corporation | Efficient coding of digital media spectral data using wide-sense perceptual similarity |
US7562021B2 (en) * | 2005-07-15 | 2009-07-14 | Microsoft Corporation | Modification of codewords in dictionary used for efficient coding of digital media spectral data |
US7630882B2 (en) * | 2005-07-15 | 2009-12-08 | Microsoft Corporation | Frequency segmentation to obtain bands for efficient coding of digital media |
US9058812B2 (en) * | 2005-07-27 | 2015-06-16 | Google Technology Holdings LLC | Method and system for coding an information signal using pitch delay contour adjustment |
KR20080101873A (en) * | 2006-01-18 | 2008-11-21 | 연세대학교 산학협력단 | Apparatus and method for encoding and decoding signal |
US7953604B2 (en) * | 2006-01-20 | 2011-05-31 | Microsoft Corporation | Shape and scale parameters for extended-band frequency coding |
US8190425B2 (en) * | 2006-01-20 | 2012-05-29 | Microsoft Corporation | Complex cross-correlation parameters for multi-channel audio |
US7831434B2 (en) | 2006-01-20 | 2010-11-09 | Microsoft Corporation | Complex-transform channel coding with extended-band frequency coding |
US8688437B2 (en) | 2006-12-26 | 2014-04-01 | Huawei Technologies Co., Ltd. | Packet loss concealment for speech coding |
US7761290B2 (en) | 2007-06-15 | 2010-07-20 | Microsoft Corporation | Flexible frequency and time partitioning in perceptual transform coding of audio |
US8046214B2 (en) * | 2007-06-22 | 2011-10-25 | Microsoft Corporation | Low complexity decoder for complex transform coding of multi-channel sound |
US7885819B2 (en) * | 2007-06-29 | 2011-02-08 | Microsoft Corporation | Bitstream syntax for multi-process audio decoding |
US8249883B2 (en) * | 2007-10-26 | 2012-08-21 | Microsoft Corporation | Channel extension coding for multi-channel source |
US20090319263A1 (en) * | 2008-06-20 | 2009-12-24 | Qualcomm Incorporated | Coding of transitional speech frames for low-bit-rate applications |
JP5314771B2 (en) | 2010-01-08 | 2013-10-16 | 日本電信電話株式会社 | Encoding method, decoding method, encoding device, decoding device, program, and recording medium |
EP2798631B1 (en) * | 2011-12-21 | 2016-03-23 | Huawei Technologies Co., Ltd. | Adaptively encoding pitch lag for voiced speech |
US9728200B2 (en) | 2013-01-29 | 2017-08-08 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for adaptive formant sharpening in linear prediction coding |
MX371425B (en) | 2013-06-21 | 2020-01-29 | Fraunhofer Ges Forschung | Apparatus and method for improved concealment of the adaptive codebook in acelp-like concealment employing improved pitch lag estimation. |
TR201808890T4 (en) | 2013-06-21 | 2018-07-23 | Fraunhofer Ges Forschung | Restructuring a speech frame. |
US9620134B2 (en) | 2013-10-10 | 2017-04-11 | Qualcomm Incorporated | Gain shape estimation for improved tracking of high-band temporal characteristics |
US10614816B2 (en) | 2013-10-11 | 2020-04-07 | Qualcomm Incorporated | Systems and methods of communicating redundant frame information |
US10083708B2 (en) | 2013-10-11 | 2018-09-25 | Qualcomm Incorporated | Estimation of mixing factors to generate high-band excitation signal |
US9384746B2 (en) | 2013-10-14 | 2016-07-05 | Qualcomm Incorporated | Systems and methods of energy-scaled signal processing |
US10163447B2 (en) | 2013-12-16 | 2018-12-25 | Qualcomm Incorporated | High-band signal modeling |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2702590B1 (en) * | 1993-03-12 | 1995-04-28 | Dominique Massaloux | Device for digital coding and decoding of speech, method for exploring a pseudo-logarithmic dictionary of LTP delays, and method for LTP analysis. |
FR2729247A1 (en) * | 1995-01-06 | 1996-07-12 | Matra Communication | SYNTHETIC ANALYSIS-SPEECH CODING METHOD |
US6449590B1 (en) | 1998-08-24 | 2002-09-10 | Conexant Systems, Inc. | Speech encoder using warping in long term preprocessing |
-
2001
- 2001-02-12 US US09/782,383 patent/US6760698B2/en not_active Expired - Lifetime
- 2001-09-17 WO PCT/IB2001/001720 patent/WO2002023531A1/en active Application Filing
- 2001-09-17 AU AU2002215135A patent/AU2002215135A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US6760698B2 (en) | 2004-07-06 |
WO2002023531A1 (en) | 2002-03-21 |
US20020147583A1 (en) | 2002-10-10 |
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