MX351967B - Método y aparato de cuantificación vectorial de envolvente de frecuencia. - Google Patents
Método y aparato de cuantificación vectorial de envolvente de frecuencia.Info
- Publication number
- MX351967B MX351967B MX2015017003A MX2015017003A MX351967B MX 351967 B MX351967 B MX 351967B MX 2015017003 A MX2015017003 A MX 2015017003A MX 2015017003 A MX2015017003 A MX 2015017003A MX 351967 B MX351967 B MX 351967B
- Authority
- MX
- Mexico
- Prior art keywords
- vector
- frequency domain
- codebook
- vectors
- quantized
- Prior art date
Links
- 239000013598 vector Substances 0.000 title abstract 25
- 238000013139 quantization Methods 0.000 title abstract 7
- 238000000034 method Methods 0.000 title abstract 5
Classifications
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- 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
- G10L19/038—Vector quantisation, e.g. TwinVQ audio
-
- 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
-
- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- 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
-
- 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
- H03M7/3082—Vector 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
- G10L2019/0001—Codebooks
-
- 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
- G10L2019/0004—Design or structure of the codebook
- G10L2019/0005—Multi-stage vector quantisation
-
- 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
- G10L2019/0013—Codebook search algorithms
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (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)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Las modalidades de la presente invención proponen un método y aparato de cuantificación vectorial de envolvente de frecuencia, en donde el método incluye: dividir N envolventes de frecuencia en una trama en N1 vectores, en donde cada vector en los N1 vectores incluye M envolventes de frecuencia; cuantificar un primer vector de en los N1 vectores utilizando un primer libro de códigos, para obtener una palabra de código correspondiente al primer vector cuantificado, en donde el primer de libro de código se divide en 2B1 porciones; determinar, de acuerdo con la palabra de código correspondiente al primer vector cuantificado, que el primer vector cuantificado está asociado con la i-ésima porción en las 2B1 porciones del primer libro de códigos; determinar un segundo libro de códigos de acuerdo con el libro de códigos de la i-ésima porción; y cuantificar un segundo vector en los N1 vectores con base en el segundo libro de códigos. En las modalidades de la presente invención, los envolventes de frecuencia se dividen en una pluralidad de vectores con menos dimensiones, de modo que la cuantificación vectorial se puede realizar en vectores de envolvente de frecuencia mediante el uso de un libro de códigos con una menor cantidad de bits. Por lo tanto, la complejidad de la cuantificación vectorial puede ser reducida, y también se puede garantizar un efecto de cuantificación vectorial.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310279924.5A CN104282308B (zh) | 2013-07-04 | 2013-07-04 | 频域包络的矢量量化方法和装置 |
PCT/CN2014/081530 WO2015000416A1 (zh) | 2013-07-04 | 2014-07-03 | 频域包络的矢量量化方法和装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
MX2015017003A MX2015017003A (es) | 2016-04-25 |
MX351967B true MX351967B (es) | 2017-11-06 |
Family
ID=52143115
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2015017003A MX351967B (es) | 2013-07-04 | 2014-07-03 | Método y aparato de cuantificación vectorial de envolvente de frecuencia. |
Country Status (16)
Country | Link |
---|---|
US (2) | US9805732B2 (es) |
EP (3) | EP4231288A1 (es) |
JP (1) | JP6301459B2 (es) |
KR (1) | KR101725531B1 (es) |
CN (2) | CN107316647B (es) |
AU (1) | AU2014286716B2 (es) |
BR (1) | BR112015031617B1 (es) |
CA (1) | CA2911314C (es) |
ES (2) | ES2954460T3 (es) |
HK (1) | HK1206137A1 (es) |
MX (1) | MX351967B (es) |
MY (1) | MY170701A (es) |
PL (1) | PL3594944T3 (es) |
RU (1) | RU2635069C2 (es) |
SG (1) | SG11201509155RA (es) |
WO (1) | WO2015000416A1 (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102168650B1 (ko) * | 2018-11-27 | 2020-10-21 | 한국과학기술원 | 다중 안테나 다중 사용자 간섭채널에서 기계학습 기반 빔포밍 방법 및 장치 |
CN113766150B (zh) * | 2021-08-31 | 2024-03-26 | 北京安酷智芯科技有限公司 | 一种降噪方法、电路系统、电子设备及计算机可读存储介质 |
Family Cites Families (26)
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US5680508A (en) * | 1991-05-03 | 1997-10-21 | Itt Corporation | Enhancement of speech coding in background noise for low-rate speech coder |
WO1995010760A2 (en) * | 1993-10-08 | 1995-04-20 | Comsat Corporation | Improved low bit rate vocoders and methods of operation therefor |
TW321810B (es) * | 1995-10-26 | 1997-12-01 | Sony Co Ltd | |
US6014618A (en) | 1998-08-06 | 2000-01-11 | Dsp Software Engineering, Inc. | LPAS speech coder using vector quantized, multi-codebook, multi-tap pitch predictor and optimized ternary source excitation codebook derivation |
US6952671B1 (en) | 1999-10-04 | 2005-10-04 | Xvd Corporation | Vector quantization with a non-structured codebook for audio compression |
US7337110B2 (en) | 2002-08-26 | 2008-02-26 | Motorola, Inc. | Structured VSELP codebook for low complexity search |
CA2415105A1 (en) * | 2002-12-24 | 2004-06-24 | Voiceage Corporation | A method and device for robust predictive vector quantization of linear prediction parameters in variable bit rate speech coding |
JP4382090B2 (ja) | 2003-06-16 | 2009-12-09 | パナソニック株式会社 | 符号化装置、符号化方法およびコードブック |
JP4963963B2 (ja) * | 2004-09-17 | 2012-06-27 | パナソニック株式会社 | スケーラブル符号化装置、スケーラブル復号装置、スケーラブル符号化方法およびスケーラブル復号方法 |
EP1869673B1 (en) | 2005-04-01 | 2010-09-22 | Qualcomm Incorporated | Methods and apparatuses for encoding and decoding a highband portion of a speech signal |
US7805314B2 (en) * | 2005-07-13 | 2010-09-28 | Samsung Electronics Co., Ltd. | Method and apparatus to quantize/dequantize frequency amplitude data and method and apparatus to audio encode/decode using the method and apparatus to quantize/dequantize frequency amplitude data |
US7602745B2 (en) | 2005-12-05 | 2009-10-13 | Intel Corporation | Multiple input, multiple output wireless communication system, associated methods and data structures |
US20090299738A1 (en) | 2006-03-31 | 2009-12-03 | Matsushita Electric Industrial Co., Ltd. | Vector quantizing device, vector dequantizing device, vector quantizing method, and vector dequantizing method |
EP1970900A1 (en) * | 2007-03-14 | 2008-09-17 | Harman Becker Automotive Systems GmbH | Method and apparatus for providing a codebook for bandwidth extension of an acoustic signal |
US8125884B1 (en) * | 2007-07-11 | 2012-02-28 | Marvell International Ltd. | Apparatus for pre-coding using multiple codebooks and associated methods |
CN100585699C (zh) * | 2007-11-02 | 2010-01-27 | 华为技术有限公司 | 一种音频解码的方法和装置 |
CN101335004B (zh) | 2007-11-02 | 2010-04-21 | 华为技术有限公司 | 一种多级量化的方法及装置 |
US8515767B2 (en) * | 2007-11-04 | 2013-08-20 | Qualcomm Incorporated | Technique for encoding/decoding of codebook indices for quantized MDCT spectrum in scalable speech and audio codecs |
CN101483043A (zh) * | 2008-01-07 | 2009-07-15 | 中兴通讯股份有限公司 | 基于分类和排列组合的码本索引编码方法 |
ES2639572T3 (es) * | 2008-01-16 | 2017-10-27 | Iii Holdings 12, Llc | Cuantificador vectorial, cuantificador inverso vectorial y procedimientos para los mismos |
JPWO2009090875A1 (ja) * | 2008-01-16 | 2011-05-26 | パナソニック株式会社 | ベクトル量子化装置、ベクトル逆量子化装置、およびこれらの方法 |
CN101261835B (zh) | 2008-04-25 | 2010-12-15 | 清华大学 | 基于超帧模式的多矢量多码本尺寸联合优化方法 |
US9037474B2 (en) * | 2008-09-06 | 2015-05-19 | Huawei Technologies Co., Ltd. | Method for classifying audio signal into fast signal or slow signal |
WO2010031003A1 (en) * | 2008-09-15 | 2010-03-18 | Huawei Technologies Co., Ltd. | Adding second enhancement layer to celp based core layer |
US8924222B2 (en) * | 2010-07-30 | 2014-12-30 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for coding of harmonic signals |
CN102208188B (zh) * | 2011-07-13 | 2013-04-17 | 华为技术有限公司 | 音频信号编解码方法和设备 |
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2013
- 2013-07-04 CN CN201710370044.7A patent/CN107316647B/zh active Active
- 2013-07-04 CN CN201310279924.5A patent/CN104282308B/zh active Active
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2014
- 2014-07-03 RU RU2015155949A patent/RU2635069C2/ru active
- 2014-07-03 ES ES19162443T patent/ES2954460T3/es active Active
- 2014-07-03 AU AU2014286716A patent/AU2014286716B2/en active Active
- 2014-07-03 WO PCT/CN2014/081530 patent/WO2015000416A1/zh active Application Filing
- 2014-07-03 ES ES14819622T patent/ES2738883T3/es active Active
- 2014-07-03 KR KR1020157033916A patent/KR101725531B1/ko active IP Right Grant
- 2014-07-03 EP EP23175742.8A patent/EP4231288A1/en active Pending
- 2014-07-03 PL PL19162443.6T patent/PL3594944T3/pl unknown
- 2014-07-03 CA CA2911314A patent/CA2911314C/en active Active
- 2014-07-03 SG SG11201509155RA patent/SG11201509155RA/en unknown
- 2014-07-03 BR BR112015031617-4A patent/BR112015031617B1/pt active IP Right Grant
- 2014-07-03 EP EP14819622.3A patent/EP2983170B1/en active Active
- 2014-07-03 EP EP19162443.6A patent/EP3594944B1/en active Active
- 2014-07-03 MX MX2015017003A patent/MX351967B/es active IP Right Grant
- 2014-07-03 JP JP2016522247A patent/JP6301459B2/ja active Active
- 2014-07-03 MY MYPI2015704556A patent/MY170701A/en unknown
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2015
- 2015-07-10 HK HK15106604.8A patent/HK1206137A1/xx unknown
- 2015-12-29 US US14/981,923 patent/US9805732B2/en active Active
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2017
- 2017-09-26 US US15/715,179 patent/US10032460B2/en active Active
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