CN101611550A - 音频量化 - Google Patents
音频量化 Download PDFInfo
- Publication number
- CN101611550A CN101611550A CNA2008800035681A CN200880003568A CN101611550A CN 101611550 A CN101611550 A CN 101611550A CN A2008800035681 A CNA2008800035681 A CN A2008800035681A CN 200880003568 A CN200880003568 A CN 200880003568A CN 101611550 A CN101611550 A CN 101611550A
- Authority
- CN
- China
- Prior art keywords
- audio signal
- error
- quantizes
- nonanticipating
- fragment
- Prior art date
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- Granted
Links
- 238000013139 quantization Methods 0.000 title claims abstract description 71
- 230000005236 sound signal Effects 0.000 claims abstract description 137
- 239000012634 fragment Substances 0.000 claims abstract description 104
- 238000000034 method Methods 0.000 claims description 23
- 238000004590 computer program Methods 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 12
- 238000001228 spectrum Methods 0.000 claims description 12
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000011002 quantification Methods 0.000 description 19
- 239000013598 vector Substances 0.000 description 19
- 230000005540 biological transmission Effects 0.000 description 14
- 230000006870 function Effects 0.000 description 11
- 239000002131 composite material Substances 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
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- 125000000205 L-threonino group Chemical group [H]OC(=O)[C@@]([H])(N([H])[*])[C@](C([H])([H])[H])([H])O[H] 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
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- 238000010295 mobile communication Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
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
- G10L19/02—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
- G10L19/032—Quantisation or dequantisation of spectral components
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Stereophonic System (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Traffic Control Systems (AREA)
Abstract
Description
Claims (30)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/700,732 | 2007-01-30 | ||
US11/700,732 US7813922B2 (en) | 2007-01-30 | 2007-01-30 | Audio quantization |
PCT/EP2008/050217 WO2008092719A1 (en) | 2007-01-30 | 2008-01-10 | Audio quantization |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101611550A true CN101611550A (zh) | 2009-12-23 |
CN101611550B CN101611550B (zh) | 2016-05-04 |
Family
ID=39469436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200880003568.1A Active CN101611550B (zh) | 2007-01-30 | 2008-01-10 | 一种用于音频量化的方法、设备和系统 |
Country Status (11)
Country | Link |
---|---|
US (1) | US7813922B2 (zh) |
EP (1) | EP2127088B1 (zh) |
JP (1) | JP2010517065A (zh) |
KR (1) | KR101100280B1 (zh) |
CN (1) | CN101611550B (zh) |
AT (1) | ATE540479T1 (zh) |
CA (1) | CA2673745C (zh) |
HK (1) | HK1135523A1 (zh) |
MX (1) | MX2009007383A (zh) |
UA (1) | UA98952C2 (zh) |
WO (1) | WO2008092719A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104756187A (zh) * | 2012-10-30 | 2015-07-01 | 诺基亚技术有限公司 | 用于能复原的矢量量化的方法和装置 |
CN107077856A (zh) * | 2014-08-28 | 2017-08-18 | 诺基亚技术有限公司 | 音频参数量化 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101755455A (zh) * | 2007-07-30 | 2010-06-23 | 日本电气株式会社 | 通信终端、分配系统、变换方法以及程序 |
TWI672691B (zh) | 2011-04-21 | 2019-09-21 | 南韓商三星電子股份有限公司 | 解碼方法 |
MX2013012301A (es) * | 2011-04-21 | 2013-12-06 | Samsung Electronics Co Ltd | Aparato para cuantificar coeficientes de codificacion predictiva lineal, aparato de codificacion de sonido, aparato para decuantificar coeficientes de codificacion predictiva lineal, aparato de decodificacion de sonido y dispositivo electronico para los mismos. |
PL3139382T3 (pl) * | 2014-05-01 | 2019-11-29 | Nippon Telegraph & Telephone | Urządzenie kodujące sygnał dźwiękowy, sposób kodowania sygnału dźwiękowego, program i nośnik rejestrujący |
CN106126162B (zh) * | 2016-06-16 | 2019-07-19 | Oppo广东移动通信有限公司 | 一种防止音效突变的方法及终端 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1402869A (zh) * | 1999-10-28 | 2003-03-12 | 高通股份有限公司 | 使用编码方案选择模型以减少对帧差错敏感性的预测语音编码器 |
WO2005081231A1 (en) * | 2004-02-23 | 2005-09-01 | Nokia Corporation | Coding model selection |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07109990B2 (ja) | 1989-04-27 | 1995-11-22 | 日本ビクター株式会社 | 適応型フレーム間予測符号化方法及び復号方法 |
US6691092B1 (en) | 1999-04-05 | 2004-02-10 | Hughes Electronics Corporation | Voicing measure as an estimate of signal periodicity for a frequency domain interpolative speech codec system |
US6671669B1 (en) * | 2000-07-18 | 2003-12-30 | Qualcomm Incorporated | combined engine system and method for voice recognition |
US7003454B2 (en) * | 2001-05-16 | 2006-02-21 | Nokia Corporation | Method and system for line spectral frequency vector quantization in speech codec |
US7523032B2 (en) * | 2003-12-19 | 2009-04-21 | Nokia Corporation | Speech coding method, device, coding module, system and software program product for pre-processing the phase structure of a to be encoded speech signal to match the phase structure of the decoded signal |
US7587314B2 (en) * | 2005-08-29 | 2009-09-08 | Nokia Corporation | Single-codebook vector quantization for multiple-rate applications |
-
2007
- 2007-01-30 US US11/700,732 patent/US7813922B2/en active Active
-
2008
- 2008-01-10 EP EP08701373A patent/EP2127088B1/en active Active
- 2008-01-10 CA CA2673745A patent/CA2673745C/en active Active
- 2008-01-10 WO PCT/EP2008/050217 patent/WO2008092719A1/en active Application Filing
- 2008-01-10 MX MX2009007383A patent/MX2009007383A/es not_active Application Discontinuation
- 2008-01-10 CN CN200880003568.1A patent/CN101611550B/zh active Active
- 2008-01-10 AT AT08701373T patent/ATE540479T1/de active
- 2008-01-10 KR KR1020097014907A patent/KR101100280B1/ko active IP Right Grant
- 2008-01-10 JP JP2009545889A patent/JP2010517065A/ja not_active Withdrawn
- 2008-10-01 UA UAA200908904A patent/UA98952C2/ru unknown
-
2010
- 2010-02-25 HK HK10101995.1A patent/HK1135523A1/zh unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1402869A (zh) * | 1999-10-28 | 2003-03-12 | 高通股份有限公司 | 使用编码方案选择模型以减少对帧差错敏感性的预测语音编码器 |
WO2005081231A1 (en) * | 2004-02-23 | 2005-09-01 | Nokia Corporation | Coding model selection |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104756187A (zh) * | 2012-10-30 | 2015-07-01 | 诺基亚技术有限公司 | 用于能复原的矢量量化的方法和装置 |
US10109287B2 (en) | 2012-10-30 | 2018-10-23 | Nokia Technologies Oy | Method and apparatus for resilient vector quantization |
CN107077856A (zh) * | 2014-08-28 | 2017-08-18 | 诺基亚技术有限公司 | 音频参数量化 |
Also Published As
Publication number | Publication date |
---|---|
EP2127088B1 (en) | 2012-01-04 |
CN101611550B (zh) | 2016-05-04 |
UA98952C2 (en) | 2012-07-10 |
CA2673745A1 (en) | 2008-08-07 |
US7813922B2 (en) | 2010-10-12 |
WO2008092719A1 (en) | 2008-08-07 |
JP2010517065A (ja) | 2010-05-20 |
MX2009007383A (es) | 2009-08-13 |
EP2127088A1 (en) | 2009-12-02 |
US20080180307A1 (en) | 2008-07-31 |
HK1135523A1 (zh) | 2010-06-04 |
CA2673745C (en) | 2010-11-23 |
KR101100280B1 (ko) | 2011-12-28 |
KR20090101932A (ko) | 2009-09-29 |
ATE540479T1 (de) | 2012-01-15 |
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