HK1199539A1 - Audio signal coding method, audio signal decoding method, audio signal coding apparatus, and audio signal decoding apparatus - Google Patents

Audio signal coding method, audio signal decoding method, audio signal coding apparatus, and audio signal decoding apparatus

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Publication number
HK1199539A1
HK1199539A1 HK14113070.0A HK14113070A HK1199539A1 HK 1199539 A1 HK1199539 A1 HK 1199539A1 HK 14113070 A HK14113070 A HK 14113070A HK 1199539 A1 HK1199539 A1 HK 1199539A1
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HK
Hong Kong
Prior art keywords
audio signal
signal decoding
signal coding
coding
decoding
Prior art date
Application number
HK14113070.0A
Other languages
English (en)
Chinese (zh)
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.)
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Publication date
Application filed filed Critical
Publication of HK1199539A1 publication Critical patent/HK1199539A1/xx

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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • G10L21/0388Details of processing therefor
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/26Pre-filtering or post-filtering
    • G10L19/265Pre-filtering, e.g. high frequency emphasis prior to encoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/0204Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93Discriminating between voiced and unvoiced parts of speech signals

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)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Spectroscopy & Molecular Physics (AREA)
HK14113070.0A 2013-01-11 2014-12-30 Audio signal coding method, audio signal decoding method, audio signal coding apparatus, and audio signal decoding apparatus HK1199539A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310010936.8A CN103928029B (zh) 2013-01-11 2013-01-11 音频信号编码和解码方法、音频信号编码和解码装置

Publications (1)

Publication Number Publication Date
HK1199539A1 true HK1199539A1 (en) 2015-07-03

Family

ID=51146227

Family Applications (1)

Application Number Title Priority Date Filing Date
HK14113070.0A HK1199539A1 (en) 2013-01-11 2014-12-30 Audio signal coding method, audio signal decoding method, audio signal coding apparatus, and audio signal decoding apparatus

Country Status (9)

Country Link
US (3) US9805736B2 (de)
EP (2) EP3467826A1 (de)
JP (2) JP6125031B2 (de)
KR (2) KR20170054580A (de)
CN (2) CN105976830B (de)
BR (1) BR112015014956B1 (de)
HK (1) HK1199539A1 (de)
SG (1) SG11201503286UA (de)
WO (1) WO2014107950A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HUE065515T2 (hu) * 2008-12-15 2024-05-28 Fraunhofer Ges Forschung Audió sávszélesség kiterjesztés dekódoló eljárás és számítógépi program
CN103426441B (zh) 2012-05-18 2016-03-02 华为技术有限公司 检测基音周期的正确性的方法和装置
CN105976830B (zh) 2013-01-11 2019-09-20 华为技术有限公司 音频信号编码和解码方法、音频信号编码和解码装置
US9384746B2 (en) * 2013-10-14 2016-07-05 Qualcomm Incorporated Systems and methods of energy-scaled signal processing
WO2015079946A1 (ja) * 2013-11-29 2015-06-04 ソニー株式会社 周波数帯域拡大装置および方法、並びにプログラム
CN105225671B (zh) 2014-06-26 2016-10-26 华为技术有限公司 编解码方法、装置及系统
US10847170B2 (en) 2015-06-18 2020-11-24 Qualcomm Incorporated Device and method for generating a high-band signal from non-linearly processed sub-ranges
US9837089B2 (en) * 2015-06-18 2017-12-05 Qualcomm Incorporated High-band signal generation
CN106328153B (zh) * 2016-08-24 2020-05-08 青岛歌尔声学科技有限公司 电子通信设备语音信号处理系统、方法和电子通信设备
US10825467B2 (en) * 2017-04-21 2020-11-03 Qualcomm Incorporated Non-harmonic speech detection and bandwidth extension in a multi-source environment
KR102605961B1 (ko) * 2019-01-13 2023-11-23 후아웨이 테크놀러지 컴퍼니 리미티드 고해상도 오디오 코딩
CN112767954B (zh) * 2020-06-24 2024-06-14 腾讯科技(深圳)有限公司 音频编解码方法、装置、介质及电子设备

Family Cites Families (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02230300A (ja) * 1989-03-03 1990-09-12 Nec Corp 音声合成器
US5455888A (en) * 1992-12-04 1995-10-03 Northern Telecom Limited Speech bandwidth extension method and apparatus
JPH0954600A (ja) * 1995-08-14 1997-02-25 Toshiba Corp 音声符号化通信装置
WO1997012328A1 (en) 1995-09-25 1997-04-03 Adobe Systems Incorporated Optimum access to electronic documents
CA2252170A1 (en) 1998-10-27 2000-04-27 Bruno Bessette A method and device for high quality coding of wideband speech and audio signals
US7260523B2 (en) * 1999-12-21 2007-08-21 Texas Instruments Incorporated Sub-band speech coding system
WO2002029782A1 (en) * 2000-10-02 2002-04-11 The Regents Of The University Of California Perceptual harmonic cepstral coefficients as the front-end for speech recognition
US6615169B1 (en) * 2000-10-18 2003-09-02 Nokia Corporation High frequency enhancement layer coding in wideband speech codec
US6691085B1 (en) 2000-10-18 2004-02-10 Nokia Mobile Phones Ltd. Method and system for estimating artificial high band signal in speech codec using voice activity information
EP1383109A1 (de) * 2002-07-17 2004-01-21 STMicroelectronics N.V. Verfahren und Vorrichtung für breitbandige Sprachkodierung
EP1383113A1 (de) * 2002-07-17 2004-01-21 STMicroelectronics N.V. Verfahren und Vorrichtung für Breitbandsprachkodierung geeignet zur Kontrolle von Kurzzeit- und Langzeitverzerrungen
KR100503415B1 (ko) * 2002-12-09 2005-07-22 한국전자통신연구원 대역폭 확장을 이용한 celp 방식 코덱간의 상호부호화 장치 및 그 방법
EP1604354A4 (de) * 2003-03-15 2008-04-02 Mindspeed Tech Inc Stimmenindexsteuerungen für die celp-sprachcodierung
KR20070115637A (ko) * 2006-06-03 2007-12-06 삼성전자주식회사 대역폭 확장 부호화 및 복호화 방법 및 장치
US20070299655A1 (en) * 2006-06-22 2007-12-27 Nokia Corporation Method, Apparatus and Computer Program Product for Providing Low Frequency Expansion of Speech
FR2907586A1 (fr) * 2006-10-20 2008-04-25 France Telecom Synthese de blocs perdus d'un signal audionumerique,avec correction de periode de pitch.
KR101409305B1 (ko) * 2006-10-20 2014-06-18 오렌지 정보의 부재 시에 디코더측에서의 여기를 생성하기 위한 과유성음화의 감쇄
KR101565919B1 (ko) * 2006-11-17 2015-11-05 삼성전자주식회사 고주파수 신호 부호화 및 복호화 방법 및 장치
JP5103880B2 (ja) 2006-11-24 2012-12-19 富士通株式会社 復号化装置および復号化方法
KR101379263B1 (ko) * 2007-01-12 2014-03-28 삼성전자주식회사 대역폭 확장 복호화 방법 및 장치
CN101256771A (zh) * 2007-03-02 2008-09-03 北京工业大学 嵌入式编码、解码方法、编码器、解码器及系统
CN101617362B (zh) * 2007-03-02 2012-07-18 松下电器产业株式会社 语音解码装置和语音解码方法
CN101414462A (zh) * 2007-10-15 2009-04-22 华为技术有限公司 音频编码方法和多点音频信号混音控制方法及相应设备
US9177569B2 (en) * 2007-10-30 2015-11-03 Samsung Electronics Co., Ltd. Apparatus, medium and method to encode and decode high frequency signal
KR101373004B1 (ko) * 2007-10-30 2014-03-26 삼성전자주식회사 고주파수 신호 부호화 및 복호화 장치 및 방법
WO2009081568A1 (ja) * 2007-12-21 2009-07-02 Panasonic Corporation 符号化装置、復号装置および符号化方法
US8433582B2 (en) * 2008-02-01 2013-04-30 Motorola Mobility Llc Method and apparatus for estimating high-band energy in a bandwidth extension system
US20090201983A1 (en) * 2008-02-07 2009-08-13 Motorola, Inc. Method and apparatus for estimating high-band energy in a bandwidth extension system
KR100998396B1 (ko) * 2008-03-20 2010-12-03 광주과학기술원 프레임 손실 은닉 방법, 프레임 손실 은닉 장치 및 음성송수신 장치
CN101572087B (zh) * 2008-04-30 2012-02-29 北京工业大学 嵌入式语音或音频信号编解码方法和装置
EP2360687A4 (de) 2008-12-19 2012-07-11 Fujitsu Ltd Sprachbanderweiterungseinrichtung und sprachbanderweiterungsverfahren
US8463599B2 (en) * 2009-02-04 2013-06-11 Motorola Mobility Llc Bandwidth extension method and apparatus for a modified discrete cosine transform audio coder
US8718804B2 (en) * 2009-05-05 2014-05-06 Huawei Technologies Co., Ltd. System and method for correcting for lost data in a digital audio signal
CN101996640B (zh) * 2009-08-31 2012-04-04 华为技术有限公司 频带扩展方法及装置
EP4358082A1 (de) * 2009-10-20 2024-04-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiosignalcodierer, audiosignaldecodierer, verfahren zur codierung oder decodierung eines audiosignals unter verwendung einer aliasing-unterdrückung
US8484020B2 (en) * 2009-10-23 2013-07-09 Qualcomm Incorporated Determining an upperband signal from a narrowband signal
CN102800317B (zh) * 2011-05-25 2014-09-17 华为技术有限公司 信号分类方法及设备、编解码方法及设备
WO2013066238A2 (en) * 2011-11-02 2013-05-10 Telefonaktiebolaget L M Ericsson (Publ) Generation of a high band extension of a bandwidth extended audio signal
CN105976830B (zh) * 2013-01-11 2019-09-20 华为技术有限公司 音频信号编码和解码方法、音频信号编码和解码装置
US9728200B2 (en) * 2013-01-29 2017-08-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for adaptive formant sharpening in linear prediction coding
FI3848929T3 (fi) * 2013-03-04 2023-10-11 Voiceage Evs Llc Laite ja menetelmä kvantisointikohinan vähentämiseksi aika-alueen dekooderissa
FR3008533A1 (fr) * 2013-07-12 2015-01-16 Orange Facteur d'echelle optimise pour l'extension de bande de frequence dans un decodeur de signaux audiofrequences
CN108172239B (zh) * 2013-09-26 2021-01-12 华为技术有限公司 频带扩展的方法及装置
CA2984017C (en) * 2013-10-31 2019-12-31 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Audio decoder and method for providing a decoded audio information using an error concealment modifying a time domain excitation signal
US9697843B2 (en) * 2014-04-30 2017-07-04 Qualcomm Incorporated High band excitation signal generation

Also Published As

Publication number Publication date
US10373629B2 (en) 2019-08-06
JP2017138616A (ja) 2017-08-10
EP3467826A1 (de) 2019-04-10
EP2899721A4 (de) 2015-12-09
US9805736B2 (en) 2017-10-31
BR112015014956A2 (pt) 2017-07-11
CN105976830B (zh) 2019-09-20
CN103928029B (zh) 2017-02-08
KR101736394B1 (ko) 2017-05-16
CN103928029A (zh) 2014-07-16
JP6125031B2 (ja) 2017-05-10
EP2899721B1 (de) 2018-09-12
CN105976830A (zh) 2016-09-28
SG11201503286UA (en) 2015-06-29
WO2014107950A1 (zh) 2014-07-17
BR112015014956B1 (pt) 2021-11-30
BR112015014956A8 (pt) 2019-10-15
US20190355378A1 (en) 2019-11-21
US20150235653A1 (en) 2015-08-20
EP2899721A1 (de) 2015-07-29
JP2016505873A (ja) 2016-02-25
JP6364518B2 (ja) 2018-07-25
KR20170054580A (ko) 2017-05-17
KR20150070398A (ko) 2015-06-24
US20180018989A1 (en) 2018-01-18

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