MX353703B - Método y aparato para decodificar una señal de audio codificada con bajos recursos computacionales. - Google Patents

Método y aparato para decodificar una señal de audio codificada con bajos recursos computacionales.

Info

Publication number
MX353703B
MX353703B MX2016007430A MX2016007430A MX353703B MX 353703 B MX353703 B MX 353703B MX 2016007430 A MX2016007430 A MX 2016007430A MX 2016007430 A MX2016007430 A MX 2016007430A MX 353703 B MX353703 B MX 353703B
Authority
MX
Mexico
Prior art keywords
bandwidth extension
audio signal
decoding
encoded audio
extension mode
Prior art date
Application number
MX2016007430A
Other languages
English (en)
Other versions
MX2016007430A (es
Inventor
Gayer Marc
Neuendorf Max
Hildenbrand Matthias
Wilde Stephan
Niedermeier Andreas
Fischer Daniel
Original Assignee
Fraunhofer Ges Forschung
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of MX2016007430A publication Critical patent/MX2016007430A/es
Publication of MX353703B publication Critical patent/MX353703B/es

Links

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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based 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
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

Un aparato para decodificar una señal de audio codificada (101) que comprende datos de control de extensión de ancho de banda que indican ya sea un primer modo de extensión de ancho de banda armónico o un segundo modo de extensión de ancho de banda no armónico, que comprende: una interfaz de entrada (100) para recibir la señal de audio codificada que comprende la datos de control de extensión de ancho de banda que indican ya sea el primer modo de extensión de ancho de banda armónico o el segundo modo de extensión de ancho de banda no armónico; un procesador (102) para decodificar la señal de audio (101) usando el segundo modo de extensión de ancho de banda no armónico y un controlador (104) para controlar el procesador (102) para decodificar la señal de audio utilizando el segundo modo de extensión de ancho de banda no armónico, incluso cuando los datos de control de extensión de ancho de banda indican el primer modo de extensión de ancho de banda armónico para la señal codificada.
MX2016007430A 2013-12-09 2014-11-28 Método y aparato para decodificar una señal de audio codificada con bajos recursos computacionales. MX353703B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13196305.0A EP2881943A1 (en) 2013-12-09 2013-12-09 Apparatus and method for decoding an encoded audio signal with low computational resources
PCT/EP2014/076000 WO2015086351A1 (en) 2013-12-09 2014-11-28 Apparatus and method for decoding an encoded audio signal with low computational resources

Publications (2)

Publication Number Publication Date
MX2016007430A MX2016007430A (es) 2016-08-19
MX353703B true MX353703B (es) 2018-01-24

Family

ID=49725065

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2016007430A MX353703B (es) 2013-12-09 2014-11-28 Método y aparato para decodificar una señal de audio codificada con bajos recursos computacionales.

Country Status (11)

Country Link
US (2) US9799345B2 (es)
EP (2) EP2881943A1 (es)
JP (1) JP6286554B2 (es)
KR (1) KR101854298B1 (es)
CN (1) CN105981101B (es)
BR (1) BR112016012689B1 (es)
CA (1) CA2931958C (es)
ES (1) ES2650941T3 (es)
MX (1) MX353703B (es)
RU (1) RU2644135C2 (es)
WO (1) WO2015086351A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW202242853A (zh) 2015-03-13 2022-11-01 瑞典商杜比國際公司 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流
TW202341126A (zh) * 2017-03-23 2023-10-16 瑞典商都比國際公司 用於音訊信號之高頻重建的諧波轉置器的回溯相容整合
TWI702594B (zh) * 2018-01-26 2020-08-21 瑞典商都比國際公司 用於音訊信號之高頻重建技術之回溯相容整合
CA3238615A1 (en) * 2018-04-25 2019-10-31 Dolby International Ab Integration of high frequency reconstruction techniques with reduced post-processing delay
KR20210005164A (ko) * 2018-04-25 2021-01-13 돌비 인터네셔널 에이비 고주파 오디오 재구성 기술의 통합

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9700772D0 (sv) * 1997-03-03 1997-03-03 Ericsson Telefon Ab L M A high resolution post processing method for a speech decoder
US6850884B2 (en) * 2000-09-15 2005-02-01 Mindspeed Technologies, Inc. Selection of coding parameters based on spectral content of a speech signal
ATE371926T1 (de) * 2004-05-17 2007-09-15 Nokia Corp Audiocodierung mit verschiedenen codierungsmodellen
US8880410B2 (en) * 2008-07-11 2014-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating a bandwidth extended signal
EP2169670B1 (en) * 2008-09-25 2016-07-20 LG Electronics Inc. An apparatus for processing an audio signal and method thereof
EP2239732A1 (en) * 2009-04-09 2010-10-13 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Apparatus and method for generating a synthesis audio signal and for encoding an audio signal
ES2400661T3 (es) 2009-06-29 2013-04-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificación y decodificación de extensión de ancho de banda
KR101826331B1 (ko) * 2010-09-15 2018-03-22 삼성전자주식회사 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법
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

Also Published As

Publication number Publication date
EP3080803B1 (en) 2017-10-04
WO2015086351A1 (en) 2015-06-18
ES2650941T3 (es) 2018-01-23
MX2016007430A (es) 2016-08-19
US10332536B2 (en) 2019-06-25
CA2931958C (en) 2018-10-02
CN105981101B (zh) 2020-04-10
RU2644135C2 (ru) 2018-02-07
CA2931958A1 (en) 2015-06-18
EP2881943A1 (en) 2015-06-10
BR112016012689B1 (pt) 2021-02-09
JP6286554B2 (ja) 2018-02-28
US20170278522A1 (en) 2017-09-28
KR101854298B1 (ko) 2018-05-03
US9799345B2 (en) 2017-10-24
KR20160079878A (ko) 2016-07-06
US20160284359A1 (en) 2016-09-29
CN105981101A (zh) 2016-09-28
JP2016539377A (ja) 2016-12-15
EP3080803A1 (en) 2016-10-19

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