MX356371B - Dispositivo de codificacion de señal acustica, dispositivo de decodificacion de señal acustica, metodo para codificar una señal acustica y metodo para decodificar una señal acustica. - Google Patents
Dispositivo de codificacion de señal acustica, dispositivo de decodificacion de señal acustica, metodo para codificar una señal acustica y metodo para decodificar una señal acustica.Info
- Publication number
- MX356371B MX356371B MX2016015786A MX2016015786A MX356371B MX 356371 B MX356371 B MX 356371B MX 2016015786 A MX2016015786 A MX 2016015786A MX 2016015786 A MX2016015786 A MX 2016015786A MX 356371 B MX356371 B MX 356371B
- Authority
- MX
- Mexico
- Prior art keywords
- acoustic signal
- encoding
- sub
- decoding
- band
- Prior art date
Links
- 238000013139 quantization Methods 0.000 abstract 5
- 238000001228 spectrum Methods 0.000 abstract 2
- 238000004364 calculation method Methods 0.000 abstract 1
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
- G10L19/002—Dynamic bit allocation
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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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
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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
- G10L19/0204—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
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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
- G10L19/0204—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
- G10L19/0208—Subband vocoders
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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
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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
- G10L19/04—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
- G10L19/135—Vector sum excited linear prediction [VSELP]
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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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
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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
- G10L19/035—Scalar quantisation
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)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Un aparato (100) de codificación de señal de audio incluye un transformador (101) de tiempo-frecuencia que transmite espectros de banda secundaria desde una señal de entrada, un cuantificador (102) de energía de banda secundaria, un calculador (103) de tonalidad que analiza la tonalidad de los espectros de banda secundaria, un asignador (104) de bits que selecciona una segunda banda secundaria sobre la cual se realiza la cuantificación por un segundo cuantificador en base en el resultado de análisis de la tonalidad y la energía de banda secundaria cuantificada, y determina un primer número de bits que van a ser asignados a una primera banda secundaria sobre la cual se realiza la cuantificación por un primer cuantificador, el primer cuantificador (106) que realiza codificación utilizando el primer número de bits, el segundo cuantificador (107) que realiza codificación utilizando un filtro de paso y un multiplexor (108).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201462028805P | 2014-07-25 | 2014-07-25 | |
JP2014219214 | 2014-10-28 | ||
PCT/JP2015/003358 WO2016013164A1 (ja) | 2014-07-25 | 2015-07-03 | 音響信号符号化装置、音響信号復号装置、音響信号符号化方法および音響信号復号方法 |
Publications (2)
Publication Number | Publication Date |
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MX2016015786A MX2016015786A (es) | 2017-02-27 |
MX356371B true MX356371B (es) | 2018-05-25 |
Family
ID=55162710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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MX2016015786A MX356371B (es) | 2014-07-25 | 2015-07-03 | Dispositivo de codificacion de señal acustica, dispositivo de decodificacion de señal acustica, metodo para codificar una señal acustica y metodo para decodificar una señal acustica. |
Country Status (13)
Country | Link |
---|---|
US (3) | US10311879B2 (es) |
EP (3) | EP3174050B1 (es) |
JP (1) | JP6717746B2 (es) |
KR (1) | KR102165403B1 (es) |
CN (2) | CN114023341A (es) |
AU (1) | AU2015291897B2 (es) |
BR (1) | BR112017000629B1 (es) |
CA (1) | CA2958429C (es) |
MX (1) | MX356371B (es) |
PL (2) | PL3413307T3 (es) |
RU (1) | RU2669706C2 (es) |
SG (1) | SG11201701197TA (es) |
WO (1) | WO2016013164A1 (es) |
Families Citing this family (10)
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CN111312277B (zh) | 2014-03-03 | 2023-08-15 | 三星电子株式会社 | 用于带宽扩展的高频解码的方法及设备 |
CN111105806B (zh) | 2014-03-24 | 2024-04-26 | 三星电子株式会社 | 高频带编码方法和装置,以及高频带解码方法和装置 |
JP6611042B2 (ja) * | 2015-12-02 | 2019-11-27 | パナソニックIpマネジメント株式会社 | 音声信号復号装置及び音声信号復号方法 |
US10586546B2 (en) | 2018-04-26 | 2020-03-10 | Qualcomm Incorporated | Inversely enumerated pyramid vector quantizers for efficient rate adaptation in audio coding |
US10573331B2 (en) * | 2018-05-01 | 2020-02-25 | Qualcomm Incorporated | Cooperative pyramid vector quantizers for scalable audio coding |
US10734006B2 (en) | 2018-06-01 | 2020-08-04 | Qualcomm Incorporated | Audio coding based on audio pattern recognition |
BR112021025420A2 (pt) * | 2019-07-08 | 2022-02-01 | Voiceage Corp | Método e sistema para codificar metadados em fluxos de áudio e para adaptação de taxa de bits intraobjeto e interobjeto flexível |
EP3786948A1 (en) * | 2019-08-28 | 2021-03-03 | Fraunhofer Gesellschaft zur Förderung der Angewand | Time-varying time-frequency tilings using non-uniform orthogonal filterbanks based on mdct analysis/synthesis and tdar |
CN113192517B (zh) * | 2020-01-13 | 2024-04-26 | 华为技术有限公司 | 一种音频编解码方法和音频编解码设备 |
CN113808597A (zh) * | 2020-05-30 | 2021-12-17 | 华为技术有限公司 | 一种音频编码方法和音频编码装置 |
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JP3250376B2 (ja) * | 1994-06-13 | 2002-01-28 | ソニー株式会社 | 情報符号化方法及び装置並びに情報復号化方法及び装置 |
JP3283413B2 (ja) | 1995-11-30 | 2002-05-20 | 株式会社日立製作所 | 符号化復号方法、符号化装置および復号装置 |
JP3157116B2 (ja) * | 1996-03-29 | 2001-04-16 | 三菱電機株式会社 | 音声符号化伝送システム |
US7389227B2 (en) * | 2000-01-14 | 2008-06-17 | C & S Technology Co., Ltd. | High-speed search method for LSP quantizer using split VQ and fixed codebook of G.729 speech encoder |
US7333930B2 (en) * | 2003-03-14 | 2008-02-19 | Agere Systems Inc. | Tonal analysis for perceptual audio coding using a compressed spectral representation |
US7844451B2 (en) | 2003-09-16 | 2010-11-30 | Panasonic Corporation | Spectrum coding/decoding apparatus and method for reducing distortion of two band spectrums |
JP4789622B2 (ja) * | 2003-09-16 | 2011-10-12 | パナソニック株式会社 | スペクトル符号化装置、スケーラブル符号化装置、復号化装置、およびこれらの方法 |
DE102004007184B3 (de) * | 2004-02-13 | 2005-09-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren und Vorrichtung zum Quantisieren eines Informationssignals |
DE102004007200B3 (de) * | 2004-02-13 | 2005-08-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiocodierung |
JP2005265865A (ja) * | 2004-02-16 | 2005-09-29 | Matsushita Electric Ind Co Ltd | オーディオ符号化のためのビット割り当て方法及び装置 |
JP4168976B2 (ja) * | 2004-05-28 | 2008-10-22 | ソニー株式会社 | オーディオ信号符号化装置及び方法 |
US7562021B2 (en) * | 2005-07-15 | 2009-07-14 | Microsoft Corporation | Modification of codewords in dictionary used for efficient coding of digital media spectral data |
KR101412255B1 (ko) | 2006-12-13 | 2014-08-14 | 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 | 부호화 장치, 복호 장치 및 이들의 방법 |
JP5403949B2 (ja) | 2007-03-02 | 2014-01-29 | パナソニック株式会社 | 符号化装置および符号化方法 |
KR101355376B1 (ko) | 2007-04-30 | 2014-01-23 | 삼성전자주식회사 | 고주파수 영역 부호화 및 복호화 방법 및 장치 |
EP2077550B8 (en) * | 2008-01-04 | 2012-03-14 | Dolby International AB | Audio encoder and decoder |
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CN102063905A (zh) * | 2009-11-13 | 2011-05-18 | 数维科技(北京)有限公司 | 一种用于音频解码的盲噪声填充方法及其装置 |
WO2011086924A1 (ja) * | 2010-01-14 | 2011-07-21 | パナソニック株式会社 | 音声符号化装置および音声符号化方法 |
CN102194458B (zh) * | 2010-03-02 | 2013-02-27 | 中兴通讯股份有限公司 | 频带复制方法、装置及音频解码方法、*** |
US8924222B2 (en) | 2010-07-30 | 2014-12-30 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for coding of harmonic signals |
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RU2678657C1 (ru) | 2012-11-05 | 2019-01-30 | Панасоник Интеллекчуал Проперти Корпорэйшн оф Америка | Устройство кодирования речи-аудио, устройство декодирования речи-аудио, способ кодирования речи-аудио и способ декодирования речи-аудио |
JP6535466B2 (ja) * | 2012-12-13 | 2019-06-26 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ | 音声音響符号化装置、音声音響復号装置、音声音響符号化方法及び音声音響復号方法 |
KR102072365B1 (ko) * | 2013-04-05 | 2020-02-03 | 돌비 인터네셔널 에이비 | 고급 양자화기 |
CA3029037C (en) * | 2013-04-05 | 2021-12-28 | Dolby International Ab | Audio encoder and decoder |
BR112016019838B1 (pt) | 2014-03-31 | 2023-02-23 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Codificador de áudio, decodificador de áudio, método de codificação, método de decodificação e mídia de registro legível por computador não transitória |
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2015
- 2015-07-03 BR BR112017000629-4A patent/BR112017000629B1/pt active IP Right Grant
- 2015-07-03 CA CA2958429A patent/CA2958429C/en active Active
- 2015-07-03 AU AU2015291897A patent/AU2015291897B2/en active Active
- 2015-07-03 EP EP15824312.1A patent/EP3174050B1/en active Active
- 2015-07-03 WO PCT/JP2015/003358 patent/WO2016013164A1/ja active Application Filing
- 2015-07-03 PL PL18186595T patent/PL3413307T3/pl unknown
- 2015-07-03 KR KR1020167024863A patent/KR102165403B1/ko active IP Right Grant
- 2015-07-03 EP EP18186595.7A patent/EP3413307B1/en active Active
- 2015-07-03 PL PL15824312T patent/PL3174050T3/pl unknown
- 2015-07-03 EP EP20176535.1A patent/EP3723086A1/en active Pending
- 2015-07-03 CN CN202111171436.3A patent/CN114023341A/zh active Pending
- 2015-07-03 SG SG11201701197TA patent/SG11201701197TA/en unknown
- 2015-07-03 MX MX2016015786A patent/MX356371B/es active IP Right Grant
- 2015-07-03 RU RU2017102311A patent/RU2669706C2/ru active
- 2015-07-03 JP JP2016535772A patent/JP6717746B2/ja active Active
- 2015-07-03 CN CN201580015301.4A patent/CN106133831B/zh active Active
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2016
- 2016-11-17 US US15/353,780 patent/US10311879B2/en active Active
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2019
- 2019-03-29 US US16/370,748 patent/US10643623B2/en active Active
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2020
- 2020-03-17 US US16/821,784 patent/US11521625B2/en active Active
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