MX359502B - Metodos y dispositivos de codificacion y decodificacion de señal. - Google Patents
Metodos y dispositivos de codificacion y decodificacion de señal.Info
- Publication number
- MX359502B MX359502B MX2015017743A MX2015017743A MX359502B MX 359502 B MX359502 B MX 359502B MX 2015017743 A MX2015017743 A MX 2015017743A MX 2015017743 A MX2015017743 A MX 2015017743A MX 359502 B MX359502 B MX 359502B
- Authority
- MX
- Mexico
- Prior art keywords
- sub
- bands
- basis
- encoding
- signal encoding
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 230000003595 spectral effect Effects 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 abstract 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
- G10L19/002—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
-
- 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
- G10L19/0204—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 subband decomposition
-
- 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
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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Modalidades de la presente invención proporcionan métodos de codificación y decodificación de señal así como dispositivos; el método incluye: determinar, de acuerdo con una cantidad de bits disponibles y un primer umbral de saturación i, una cantidad k de subbandas que se van a codificar, donde i es un número positivo, y k es un entero positivo; seleccionar, de acuerdo con las envolturas cuantificadas de todas las subbandas, k subbandas de entre todas las subbandas, o seleccionar k subbandas de entre todas las subbandas de acuerdo con un modulo psicoacústico, y ejecutar una operación de codificación de primera vez en coeficientes espectrales de las k subbandas; en las modalidades de la presente invención, la cantidad k de subbandas que se van a codificar es determinada de acuerdo con la cantidad de bits disponibles y el primer umbral de saturación, y la codificación es ejecutada en las k subbandas que son seleccionadas de entre todas las subbandas, en lugar de hacerlo en una banda de frecuencia completa, lo cual puede reducir los agujeros de espectro de una señal obtenida a través de la decodificación, y por lo tanto, puede mejorar la calidad auditiva de una señal saliente.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310271015.7A CN104282312B (zh) | 2013-07-01 | 2013-07-01 | 信号编码和解码方法以及设备 |
PCT/CN2014/080682 WO2015000373A1 (zh) | 2013-07-01 | 2014-06-25 | 信号编码和解码方法以及设备 |
Publications (2)
Publication Number | Publication Date |
---|---|
MX2015017743A MX2015017743A (es) | 2016-04-04 |
MX359502B true MX359502B (es) | 2018-09-26 |
Family
ID=52143091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2015017743A MX359502B (es) | 2013-07-01 | 2014-06-25 | Metodos y dispositivos de codificacion y decodificacion de señal. |
Country Status (18)
Country | Link |
---|---|
US (2) | US10152981B2 (es) |
EP (1) | EP2988299A4 (es) |
JP (1) | JP6289627B2 (es) |
KR (2) | KR20160003264A (es) |
CN (2) | CN104282312B (es) |
AU (1) | AU2014286765B2 (es) |
BR (1) | BR112015030852A2 (es) |
CA (1) | CA2912477C (es) |
CL (1) | CL2015003765A1 (es) |
HK (1) | HK1206136A1 (es) |
IL (1) | IL242498B (es) |
MX (1) | MX359502B (es) |
MY (1) | MY163240A (es) |
NZ (1) | NZ714187A (es) |
RU (1) | RU2633097C2 (es) |
SG (1) | SG11201509391RA (es) |
UA (1) | UA113041C2 (es) |
WO (1) | WO2015000373A1 (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106409303B (zh) | 2014-04-29 | 2019-09-20 | 华为技术有限公司 | 处理信号的方法及设备 |
CN112751953A (zh) * | 2019-10-31 | 2021-05-04 | 北京小米移动软件有限公司 | 电子设备、控制方法、装置及存储介质 |
EP3992964B1 (en) * | 2020-01-20 | 2024-04-17 | Tencent Technology (Shenzhen) Company Limited | Voice signal processing method and apparatus, and electronic device and storage medium |
CN117476013A (zh) * | 2022-07-27 | 2024-01-30 | 华为技术有限公司 | 音频信号的处理方法、装置、存储介质及计算机程序产品 |
Family Cites Families (29)
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US5235671A (en) | 1990-10-15 | 1993-08-10 | Gte Laboratories Incorporated | Dynamic bit allocation subband excited transform coding method and apparatus |
KR100188912B1 (ko) * | 1992-09-21 | 1999-06-01 | 윤종용 | 서브밴드코딩의 비트재할당 방법 |
KR100269213B1 (ko) * | 1993-10-30 | 2000-10-16 | 윤종용 | 오디오신호의부호화방법 |
KR0144011B1 (ko) * | 1994-12-31 | 1998-07-15 | 김주용 | 엠펙 오디오 데이타 고속 비트 할당 및 최적 비트 할당 방법 |
JP3519859B2 (ja) * | 1996-03-26 | 2004-04-19 | 三菱電機株式会社 | 符号器及び復号器 |
JP3235543B2 (ja) | 1997-10-22 | 2001-12-04 | 松下電器産業株式会社 | 音声符号化/復号化装置 |
US6148283A (en) | 1998-09-23 | 2000-11-14 | Qualcomm Inc. | Method and apparatus using multi-path multi-stage vector quantizer |
JP2005010337A (ja) * | 2003-06-18 | 2005-01-13 | Sony Corp | 音声信号圧縮方法及び音声信号圧縮装置 |
PT1875463T (pt) | 2005-04-22 | 2019-01-24 | Qualcomm Inc | Sistemas, métodos e aparelho para nivelamento de fator de ganho |
BRPI0616624A2 (pt) * | 2005-09-30 | 2011-06-28 | Matsushita Electric Ind Co Ltd | aparelho de codificação de fala e método de codificação de fala |
MX2008010836A (es) | 2006-02-24 | 2008-11-26 | France Telecom | Un metodo para codificacion binaria de indices de cuantificacion de una envoltura de señal, un metodo para descodificar una envoltura de señal, y modulos de codificacion y descodificacion correspondiente. |
JP4396683B2 (ja) * | 2006-10-02 | 2010-01-13 | カシオ計算機株式会社 | 音声符号化装置、音声符号化方法、及び、プログラム |
JPWO2008084688A1 (ja) * | 2006-12-27 | 2010-04-30 | パナソニック株式会社 | 符号化装置、復号装置及びこれらの方法 |
CN101105940A (zh) * | 2007-06-27 | 2008-01-16 | 北京中星微电子有限公司 | 音频编解码的量化方法、反变换方法及音频编解码装置 |
CN101377926B (zh) * | 2007-08-31 | 2012-06-27 | 瑞昱半导体股份有限公司 | 加速量化循环程序功能的音频编码方法 |
KR20090122142A (ko) * | 2008-05-23 | 2009-11-26 | 엘지전자 주식회사 | 오디오 신호 처리 방법 및 장치 |
WO2010031003A1 (en) * | 2008-09-15 | 2010-03-18 | Huawei Technologies Co., Ltd. | Adding second enhancement layer to celp based core layer |
US9330671B2 (en) * | 2008-10-10 | 2016-05-03 | Telefonaktiebolaget L M Ericsson (Publ) | Energy conservative multi-channel audio coding |
CN101494054B (zh) * | 2009-02-09 | 2012-02-15 | 华为终端有限公司 | 一种音频码率控制方法及*** |
EP2645367B1 (en) * | 2009-02-16 | 2019-11-20 | Electronics and Telecommunications Research Institute | Encoding/decoding method for audio signals using adaptive sinusoidal coding and apparatus thereof |
CN101853663B (zh) | 2009-03-30 | 2012-05-23 | 华为技术有限公司 | 比特分配方法、编码装置及解码装置 |
FR2947944A1 (fr) * | 2009-07-07 | 2011-01-14 | France Telecom | Codage/decodage perfectionne de signaux audionumeriques |
US8380524B2 (en) * | 2009-11-26 | 2013-02-19 | Research In Motion Limited | Rate-distortion optimization for advanced audio coding |
CN102081927B (zh) | 2009-11-27 | 2012-07-18 | 中兴通讯股份有限公司 | 一种可分层音频编码、解码方法及*** |
EP2362375A1 (en) | 2010-02-26 | 2011-08-31 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. | Apparatus and method for modifying an audio signal using harmonic locking |
WO2011132368A1 (ja) | 2010-04-19 | 2011-10-27 | パナソニック株式会社 | 符号化装置、復号装置、符号化方法及び復号方法 |
US9280980B2 (en) * | 2011-02-09 | 2016-03-08 | Telefonaktiebolaget L M Ericsson (Publ) | Efficient encoding/decoding of audio signals |
AU2012256550B2 (en) | 2011-05-13 | 2016-08-25 | Samsung Electronics Co., Ltd. | Bit allocating, audio encoding and decoding |
RU2464649C1 (ru) | 2011-06-01 | 2012-10-20 | Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." | Способ обработки звукового сигнала |
-
2013
- 2013-07-01 CN CN201310271015.7A patent/CN104282312B/zh active Active
- 2013-07-01 CN CN201711387694.9A patent/CN108198564B/zh active Active
-
2014
- 2014-06-25 WO PCT/CN2014/080682 patent/WO2015000373A1/zh active Application Filing
- 2014-06-25 AU AU2014286765A patent/AU2014286765B2/en active Active
- 2014-06-25 BR BR112015030852A patent/BR112015030852A2/pt not_active Application Discontinuation
- 2014-06-25 MX MX2015017743A patent/MX359502B/es active IP Right Grant
- 2014-06-25 KR KR1020157034359A patent/KR20160003264A/ko active Application Filing
- 2014-06-25 EP EP14820376.3A patent/EP2988299A4/en not_active Withdrawn
- 2014-06-25 NZ NZ714187A patent/NZ714187A/en unknown
- 2014-06-25 CA CA2912477A patent/CA2912477C/en active Active
- 2014-06-25 MY MYPI2015704807A patent/MY163240A/en unknown
- 2014-06-25 RU RU2015156053A patent/RU2633097C2/ru active
- 2014-06-25 JP JP2016522220A patent/JP6289627B2/ja active Active
- 2014-06-25 SG SG11201509391RA patent/SG11201509391RA/en unknown
- 2014-06-25 UA UAA201513097A patent/UA113041C2/uk unknown
- 2014-06-25 KR KR1020177020888A patent/KR20170089982A/ko not_active Application Discontinuation
-
2015
- 2015-07-10 HK HK15106603.9A patent/HK1206136A1/xx unknown
- 2015-11-08 IL IL242498A patent/IL242498B/en active IP Right Grant
- 2015-12-30 US US14/984,703 patent/US10152981B2/en active Active
- 2015-12-30 CL CL2015003765A patent/CL2015003765A1/es unknown
-
2018
- 2018-10-22 US US16/167,281 patent/US10789964B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
UA113041C2 (uk) | 2016-11-25 |
US10789964B2 (en) | 2020-09-29 |
CN104282312A (zh) | 2015-01-14 |
AU2014286765B2 (en) | 2017-03-02 |
EP2988299A1 (en) | 2016-02-24 |
CN104282312B (zh) | 2018-02-23 |
AU2014286765A1 (en) | 2015-12-03 |
US10152981B2 (en) | 2018-12-11 |
CN108198564A (zh) | 2018-06-22 |
US20160111104A1 (en) | 2016-04-21 |
WO2015000373A1 (zh) | 2015-01-08 |
NZ714187A (en) | 2017-01-27 |
MY163240A (en) | 2017-08-30 |
HK1206136A1 (en) | 2015-12-31 |
EP2988299A4 (en) | 2016-05-25 |
JP2016527546A (ja) | 2016-09-08 |
CN108198564B (zh) | 2021-02-26 |
MX2015017743A (es) | 2016-04-04 |
KR20170089982A (ko) | 2017-08-04 |
CL2015003765A1 (es) | 2016-09-23 |
JP6289627B2 (ja) | 2018-03-14 |
CA2912477C (en) | 2019-04-09 |
RU2633097C2 (ru) | 2017-10-11 |
US20190057706A1 (en) | 2019-02-21 |
CA2912477A1 (en) | 2015-01-08 |
BR112015030852A2 (pt) | 2017-07-25 |
SG11201509391RA (en) | 2015-12-30 |
KR20160003264A (ko) | 2016-01-08 |
IL242498B (en) | 2021-05-31 |
RU2015156053A (ru) | 2017-08-07 |
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