WO2010005254A3 - 부호화 방식 결정 방법 및 장치 - Google Patents

부호화 방식 결정 방법 및 장치 Download PDF

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Publication number
WO2010005254A3
WO2010005254A3 PCT/KR2009/003777 KR2009003777W WO2010005254A3 WO 2010005254 A3 WO2010005254 A3 WO 2010005254A3 KR 2009003777 W KR2009003777 W KR 2009003777W WO 2010005254 A3 WO2010005254 A3 WO 2010005254A3
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WO
WIPO (PCT)
Prior art keywords
coding scheme
scheme determination
signal
mute
music
Prior art date
Application number
PCT/KR2009/003777
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English (en)
French (fr)
Other versions
WO2010005254A2 (ko
Inventor
성호상
장지에
주기현
Original Assignee
삼성전자 주식회사
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 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Priority to EP18161810.9A priority Critical patent/EP3352457A1/en
Priority to EP09794660A priority patent/EP2326090A4/en
Priority to JP2011517354A priority patent/JP5844639B2/ja
Priority to CN2009801351407A priority patent/CN102150200A/zh
Publication of WO2010005254A2 publication Critical patent/WO2010005254A2/ko
Publication of WO2010005254A3 publication Critical patent/WO2010005254A3/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L25/78—Detection of presence or absence of voice signals
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L25/78—Detection of presence or absence of voice signals
    • G10L25/81—Detection of presence or absence of voice signals for discriminating voice from music
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L25/90—Pitch determination of speech signals

Abstract

하나 이상의 실시예들은 신호의 부호화 방식을 결정하는 방법 및 장치에 관한 것으로, 현재 프레임이 묵음에 해당하는지 여부와 음성 또는 음악이 존재할 가능성의 이력을 이용하여 신호의 부호화 방식을 결정하거나 변경한다.
PCT/KR2009/003777 2008-07-09 2009-07-09 부호화 방식 결정 방법 및 장치 WO2010005254A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP18161810.9A EP3352457A1 (en) 2008-07-09 2009-07-09 Method and apparatus for coding scheme determination
EP09794660A EP2326090A4 (en) 2008-07-09 2009-07-09 PROCESS AND DEVICE FOR CODING TEMPERING
JP2011517354A JP5844639B2 (ja) 2008-07-09 2009-07-09 符号化方式の決定方法及び装置
CN2009801351407A CN102150200A (zh) 2008-07-09 2009-07-09 编码方案确定的方法和设备

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2008-0066737 2008-07-09
KR1020080066737A KR20100006492A (ko) 2008-07-09 2008-07-09 부호화 방식 결정 방법 및 장치

Publications (2)

Publication Number Publication Date
WO2010005254A2 WO2010005254A2 (ko) 2010-01-14
WO2010005254A3 true WO2010005254A3 (ko) 2010-03-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/003777 WO2010005254A2 (ko) 2008-07-09 2009-07-09 부호화 방식 결정 방법 및 장치

Country Status (6)

Country Link
US (3) US20100017202A1 (ko)
EP (2) EP3352457A1 (ko)
JP (3) JP5844639B2 (ko)
KR (1) KR20100006492A (ko)
CN (2) CN105355208B (ko)
WO (1) WO2010005254A2 (ko)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2198426A4 (en) * 2007-10-15 2012-01-18 Lg Electronics Inc METHOD AND DEVICE FOR PROCESSING A SIGNAL
KR20100006492A (ko) 2008-07-09 2010-01-19 삼성전자주식회사 부호화 방식 결정 방법 및 장치
KR101622950B1 (ko) * 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
CN103035248B (zh) 2011-10-08 2015-01-21 华为技术有限公司 音频信号编码方法和装置
JP6342828B2 (ja) * 2015-02-25 2018-06-13 富士フイルム株式会社 投写用光学系および投写型表示装置
CN106571150B (zh) * 2015-10-12 2021-04-16 阿里巴巴集团控股有限公司 一种识别音乐中的人声的方法和系统
US10504539B2 (en) * 2017-12-05 2019-12-10 Synaptics Incorporated Voice activity detection systems and methods
CN109273017B (zh) * 2018-08-14 2022-06-21 Oppo广东移动通信有限公司 编码控制方法、装置以及电子设备
JP7407580B2 (ja) 2018-12-06 2024-01-04 シナプティクス インコーポレイテッド システム、及び、方法
US11317098B2 (en) * 2018-12-07 2022-04-26 Intel Corporation System and method for rendered scene change detection with remotely hosted graphics applications
JP2020115206A (ja) 2019-01-07 2020-07-30 シナプティクス インコーポレイテッド システム及び方法
US11064294B1 (en) 2020-01-10 2021-07-13 Synaptics Incorporated Multiple-source tracking and voice activity detections for planar microphone arrays
US11823707B2 (en) 2022-01-10 2023-11-21 Synaptics Incorporated Sensitivity mode for an audio spotting system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6337947B1 (en) * 1998-03-24 2002-01-08 Ati Technologies, Inc. Method and apparatus for customized editing of video and/or audio signals
US6631352B1 (en) * 1999-01-08 2003-10-07 Matushita Electric Industrial Co. Ltd. Decoding circuit and reproduction apparatus which mutes audio after header parameter changes
US20040125961A1 (en) * 2001-05-11 2004-07-01 Stella Alessio Silence detection

Family Cites Families (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4375083A (en) * 1980-01-31 1983-02-22 Bell Telephone Laboratories, Incorporated Signal sequence editing method and apparatus with automatic time fitting of edited segments
US4388495A (en) * 1981-05-01 1983-06-14 Interstate Electronics Corporation Speech recognition microcomputer
US4441200A (en) * 1981-10-08 1984-04-03 Motorola Inc. Digital voice processing system
JPS58140798A (ja) * 1982-02-15 1983-08-20 株式会社日立製作所 音声ピツチ抽出方法
US4561102A (en) * 1982-09-20 1985-12-24 At&T Bell Laboratories Pitch detector for speech analysis
JPS61184599A (ja) * 1985-02-12 1986-08-18 日本電信電話株式会社 コ−デツク制御方式
US4771465A (en) * 1986-09-11 1988-09-13 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech sinusoidal vocoder with transmission of only subset of harmonics
US5007093A (en) * 1987-04-03 1991-04-09 At&T Bell Laboratories Adaptive threshold voiced detector
US4805219A (en) * 1987-04-03 1989-02-14 Dragon Systems, Inc. Method for speech recognition
IL84902A (en) * 1987-12-21 1991-12-15 D S P Group Israel Ltd Digital autocorrelation system for detecting speech in noisy audio signal
JPH0398318A (ja) * 1989-09-11 1991-04-23 Fujitsu Ltd 音声符号化方式
US5734789A (en) * 1992-06-01 1998-03-31 Hughes Electronics Voiced, unvoiced or noise modes in a CELP vocoder
US5455888A (en) * 1992-12-04 1995-10-03 Northern Telecom Limited Speech bandwidth extension method and apparatus
US5546395A (en) * 1993-01-08 1996-08-13 Multi-Tech Systems, Inc. Dynamic selection of compression rate for a voice compression algorithm in a voice over data modem
JPH06332492A (ja) * 1993-05-19 1994-12-02 Matsushita Electric Ind Co Ltd 音声検出方法および検出装置
SE503547C2 (sv) * 1993-06-11 1996-07-01 Ericsson Telefon Ab L M Anordning och förfarande för döljande av förlorade ramar
EP0681730A4 (en) * 1993-11-30 1997-12-17 At & T Corp REDUCTION OF TRANSMISSION NOISE IN COMMUNICATION SYSTEMS.
JP3484757B2 (ja) * 1994-05-13 2004-01-06 ソニー株式会社 音声信号の雑音低減方法及び雑音区間検出方法
EP0944037B1 (en) * 1995-01-17 2001-10-10 Nec Corporation Speech encoder with features extracted from current and previous frames
SE504010C2 (sv) * 1995-02-08 1996-10-14 Ericsson Telefon Ab L M Förfarande och anordning för prediktiv kodning av tal- och datasignaler
US5774837A (en) * 1995-09-13 1998-06-30 Voxware, Inc. Speech coding system and method using voicing probability determination
US5774849A (en) * 1996-01-22 1998-06-30 Rockwell International Corporation Method and apparatus for generating frame voicing decisions of an incoming speech signal
US5778335A (en) * 1996-02-26 1998-07-07 The Regents Of The University Of California Method and apparatus for efficient multiband celp wideband speech and music coding and decoding
US5890109A (en) * 1996-03-28 1999-03-30 Intel Corporation Re-initializing adaptive parameters for encoding audio signals
US5937374A (en) * 1996-05-15 1999-08-10 Advanced Micro Devices, Inc. System and method for improved pitch estimation which performs first formant energy removal for a frame using coefficients from a prior frame
US6570991B1 (en) * 1996-12-18 2003-05-27 Interval Research Corporation Multi-feature speech/music discrimination system
JP2856185B2 (ja) * 1997-01-21 1999-02-10 日本電気株式会社 音声符号化復号化システム
US6134518A (en) * 1997-03-04 2000-10-17 International Business Machines Corporation Digital audio signal coding using a CELP coder and a transform coder
FR2762464B1 (fr) * 1997-04-16 1999-06-25 France Telecom Procede et dispositif de codage d'un signal audiofrequence par analyse lpc "avant" et "arriere"
JP3211762B2 (ja) * 1997-12-12 2001-09-25 日本電気株式会社 音声及び音楽符号化方式
JP3273599B2 (ja) * 1998-06-19 2002-04-08 沖電気工業株式会社 音声符号化レート選択器と音声符号化装置
US6556966B1 (en) * 1998-08-24 2003-04-29 Conexant Systems, Inc. Codebook structure for changeable pulse multimode speech coding
MY138849A (en) * 1998-11-24 2009-07-31 Ericsson Telefon Ab L M Efficient in-band signaling for discontinuous transmission and configuration changes in adaptive multi-rate communications systems
US6691084B2 (en) * 1998-12-21 2004-02-10 Qualcomm Incorporated Multiple mode variable rate speech coding
AU4201100A (en) * 1999-04-05 2000-10-23 Hughes Electronics Corporation Spectral phase modeling of the prototype waveform components for a frequency domain interpolative speech codec system
JP4464488B2 (ja) * 1999-06-30 2010-05-19 パナソニック株式会社 音声復号化装置及び符号誤り補償方法、音声復号化方法
US6633841B1 (en) * 1999-07-29 2003-10-14 Mindspeed Technologies, Inc. Voice activity detection speech coding to accommodate music signals
AU7486200A (en) * 1999-09-22 2001-04-24 Conexant Systems, Inc. Multimode speech encoder
US7167828B2 (en) * 2000-01-11 2007-01-23 Matsushita Electric Industrial Co., Ltd. Multimode speech coding apparatus and decoding apparatus
JP3734696B2 (ja) * 2000-09-25 2006-01-11 松下電器産業株式会社 無音圧縮音声符号化復号化装置
US7472059B2 (en) * 2000-12-08 2008-12-30 Qualcomm Incorporated Method and apparatus for robust speech classification
US6614370B2 (en) * 2001-01-26 2003-09-02 Oded Gottesman Redundant compression techniques for transmitting data over degraded communication links and/or storing data on media subject to degradation
US6782467B1 (en) * 2001-06-29 2004-08-24 Cypress Semiconductor Corp. Method and apparatus for fast limited core area access and cross-port word size multiplication in synchronous multiport memories
US6836514B2 (en) * 2001-07-10 2004-12-28 Motorola, Inc. Method for the detection and recovery of errors in the frame overhead of digital video decoding systems
US6959276B2 (en) * 2001-09-27 2005-10-25 Microsoft Corporation Including the category of environmental noise when processing speech signals
DE10148351B4 (de) * 2001-09-29 2007-06-21 Grundig Multimedia B.V. Verfahren und Vorrichtung zur Auswahl eines Klangalgorithmus
US6785645B2 (en) * 2001-11-29 2004-08-31 Microsoft Corporation Real-time speech and music classifier
US6647366B2 (en) * 2001-12-28 2003-11-11 Microsoft Corporation Rate control strategies for speech and music coding
US7158572B2 (en) * 2002-02-14 2007-01-02 Tellabs Operations, Inc. Audio enhancement communication techniques
GB0321093D0 (en) * 2003-09-09 2003-10-08 Nokia Corp Multi-rate coding
US7412376B2 (en) * 2003-09-10 2008-08-12 Microsoft Corporation System and method for real-time detection and preservation of speech onset in a signal
GB0326262D0 (en) * 2003-11-11 2003-12-17 Nokia Corp Speech codecs
FI118835B (fi) * 2004-02-23 2008-03-31 Nokia Corp Koodausmallin valinta
GB0408856D0 (en) 2004-04-21 2004-05-26 Nokia Corp Signal encoding
KR20070009644A (ko) * 2004-04-27 2007-01-18 마츠시타 덴끼 산교 가부시키가이샤 스케일러블 부호화 장치, 스케일러블 복호화 장치 및 그방법
US8315865B2 (en) * 2004-05-04 2012-11-20 Hewlett-Packard Development Company, L.P. Method and apparatus for adaptive conversation detection employing minimal computation
US7596486B2 (en) 2004-05-19 2009-09-29 Nokia Corporation Encoding an audio signal using different audio coder modes
KR100800873B1 (ko) * 2005-10-28 2008-02-04 삼성전자주식회사 음성 신호 검출 시스템 및 방법
WO2007105586A1 (ja) * 2006-03-10 2007-09-20 Matsushita Electric Industrial Co., Ltd. 符号化装置および符号化方法
US20080077410A1 (en) * 2006-09-26 2008-03-27 Nokia Corporation System and method for providing redundancy management
RU2426179C2 (ru) * 2006-10-10 2011-08-10 Квэлкомм Инкорпорейтед Способ и устройство для кодирования и декодирования аудиосигналов
US8209187B2 (en) * 2006-12-05 2012-06-26 Nokia Corporation Speech coding arrangement for communication networks
KR101279857B1 (ko) * 2006-12-12 2013-06-28 삼성전자주식회사 적응적 멀티 레이트 코덱 모드 디코딩 방법 및 장치
KR100964402B1 (ko) * 2006-12-14 2010-06-17 삼성전자주식회사 오디오 신호의 부호화 모드 결정 방법 및 장치와 이를 이용한 오디오 신호의 부호화/복호화 방법 및 장치
KR100883656B1 (ko) * 2006-12-28 2009-02-18 삼성전자주식회사 오디오 신호의 분류 방법 및 장치와 이를 이용한 오디오신호의 부호화/복호화 방법 및 장치
US8032359B2 (en) * 2007-02-14 2011-10-04 Mindspeed Technologies, Inc. Embedded silence and background noise compression
EP2198426A4 (en) * 2007-10-15 2012-01-18 Lg Electronics Inc METHOD AND DEVICE FOR PROCESSING A SIGNAL
US20090319261A1 (en) * 2008-06-20 2009-12-24 Qualcomm Incorporated Coding of transitional speech frames for low-bit-rate applications
KR20100006492A (ko) 2008-07-09 2010-01-19 삼성전자주식회사 부호화 방식 결정 방법 및 장치
KR101797033B1 (ko) * 2008-12-05 2017-11-14 삼성전자주식회사 부호화 모드를 이용한 음성신호의 부호화/복호화 장치 및 방법
US8442837B2 (en) * 2009-12-31 2013-05-14 Motorola Mobility Llc Embedded speech and audio coding using a switchable model core
US9886963B2 (en) * 2015-04-05 2018-02-06 Qualcomm Incorporated Encoder selection

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6337947B1 (en) * 1998-03-24 2002-01-08 Ati Technologies, Inc. Method and apparatus for customized editing of video and/or audio signals
US6631352B1 (en) * 1999-01-08 2003-10-07 Matushita Electric Industrial Co. Ltd. Decoding circuit and reproduction apparatus which mutes audio after header parameter changes
US20040125961A1 (en) * 2001-05-11 2004-07-01 Stella Alessio Silence detection

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2326090A4 *

Also Published As

Publication number Publication date
JP6258835B2 (ja) 2018-01-10
CN105355208A (zh) 2016-02-24
US20180075857A1 (en) 2018-03-15
JP6587659B2 (ja) 2019-10-09
US20100017202A1 (en) 2010-01-21
EP2326090A2 (en) 2011-05-25
KR20100006492A (ko) 2010-01-19
JP2015026083A (ja) 2015-02-05
JP2017211666A (ja) 2017-11-30
CN105355208B (zh) 2021-01-15
JP2011527762A (ja) 2011-11-04
EP2326090A4 (en) 2011-11-23
EP3352457A1 (en) 2018-07-25
CN102150200A (zh) 2011-08-10
US20170287497A1 (en) 2017-10-05
US10360921B2 (en) 2019-07-23
JP5844639B2 (ja) 2016-01-20
WO2010005254A2 (ko) 2010-01-14
US9847090B2 (en) 2017-12-19

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