WO2013048171A3 - 음성 신호 부호화 방법 및 음성 신호 복호화 방법 그리고 이를 이용하는 장치 - Google Patents

음성 신호 부호화 방법 및 음성 신호 복호화 방법 그리고 이를 이용하는 장치 Download PDF

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Publication number
WO2013048171A3
WO2013048171A3 PCT/KR2012/007889 KR2012007889W WO2013048171A3 WO 2013048171 A3 WO2013048171 A3 WO 2013048171A3 KR 2012007889 W KR2012007889 W KR 2012007889W WO 2013048171 A3 WO2013048171 A3 WO 2013048171A3
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WO
WIPO (PCT)
Prior art keywords
voice signal
transform coefficients
same
encoding method
information
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PCT/KR2012/007889
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English (en)
French (fr)
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WO2013048171A2 (ko
Inventor
이영한
정규혁
강인규
전혜정
김락용
Original Assignee
엘지전자 주식회사
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Priority to JP2014533211A priority Critical patent/JP5969614B2/ja
Priority to CN201280057514.XA priority patent/CN103946918B/zh
Priority to EP12836122.7A priority patent/EP2763137B1/en
Priority to US14/347,767 priority patent/US9472199B2/en
Priority to KR1020147008256A priority patent/KR102048076B1/ko
Publication of WO2013048171A2 publication Critical patent/WO2013048171A2/ko
Publication of WO2013048171A3 publication Critical patent/WO2013048171A3/ko

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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
    • 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
    • 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
    • G10L19/0212—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 orthogonal transformation
    • 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

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

본 발명은 음성 신호의 처리 방법 및 장치에 관한 것으로서, 본 발명에 따른 음성 신호의 부호화 방법은 입력 음성 신호를 구성하는 사인파 성분들을 변환하여 상기 사인파 성분들에 대한 변환 계수들을 생성하는 단계, 상기 생성된 변환 계수들 중 부호화 대상 변환 계수들을 결정하는 단계 및 상기 결정된 변환 계수들을 지시하는 지시 정보를 전송하는 단계를 포함하며, 상기 지시 정보는, 변환 계수들의 위치 정보, 크기 정보, 부호 정보를 포함할 수 있다.
PCT/KR2012/007889 2011-09-28 2012-09-28 음성 신호 부호화 방법 및 음성 신호 복호화 방법 그리고 이를 이용하는 장치 WO2013048171A2 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2014533211A JP5969614B2 (ja) 2011-09-28 2012-09-28 音声信号符号化方法及び音声信号復号方法
CN201280057514.XA CN103946918B (zh) 2011-09-28 2012-09-28 语音信号编码方法、语音信号解码方法及使用其的装置
EP12836122.7A EP2763137B1 (en) 2011-09-28 2012-09-28 Voice signal encoding method and voice signal decoding method
US14/347,767 US9472199B2 (en) 2011-09-28 2012-09-28 Voice signal encoding method, voice signal decoding method, and apparatus using same
KR1020147008256A KR102048076B1 (ko) 2011-09-28 2012-09-28 음성 신호 부호화 방법 및 음성 신호 복호화 방법 그리고 이를 이용하는 장치

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201161540518P 2011-09-28 2011-09-28
US61/540,518 2011-09-28
US201261684826P 2012-08-20 2012-08-20
US61/684,826 2012-08-20

Publications (2)

Publication Number Publication Date
WO2013048171A2 WO2013048171A2 (ko) 2013-04-04
WO2013048171A3 true WO2013048171A3 (ko) 2013-05-23

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Country Status (6)

Country Link
US (1) US9472199B2 (ko)
EP (1) EP2763137B1 (ko)
JP (1) JP5969614B2 (ko)
KR (1) KR102048076B1 (ko)
CN (1) CN103946918B (ko)
WO (1) WO2013048171A2 (ko)

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CN104221082B (zh) * 2012-03-29 2017-03-08 瑞典爱立信有限公司 谐波音频信号的带宽扩展
US10388293B2 (en) 2013-09-16 2019-08-20 Samsung Electronics Co., Ltd. Signal encoding method and device and signal decoding method and device
CN110634495B (zh) 2013-09-16 2023-07-07 三星电子株式会社 信号编码方法和装置以及信号解码方法和装置
JP6633547B2 (ja) * 2014-02-17 2020-01-22 サムスン エレクトロニクス カンパニー リミテッド スペクトル符号化方法
CN111968655B (zh) 2014-07-28 2023-11-10 三星电子株式会社 信号编码方法和装置以及信号解码方法和装置
CN107924683B (zh) * 2015-10-15 2021-03-30 华为技术有限公司 正弦编码和解码的方法和装置
KR20200127781A (ko) * 2019-05-03 2020-11-11 한국전자통신연구원 주파수 복원 기법 기반 오디오 부호화 방법

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Also Published As

Publication number Publication date
EP2763137A4 (en) 2015-05-06
JP5969614B2 (ja) 2016-08-17
EP2763137B1 (en) 2016-09-14
KR102048076B1 (ko) 2019-11-22
US9472199B2 (en) 2016-10-18
EP2763137A2 (en) 2014-08-06
CN103946918A (zh) 2014-07-23
JP2014531623A (ja) 2014-11-27
CN103946918B (zh) 2017-03-08
WO2013048171A2 (ko) 2013-04-04
KR20140082676A (ko) 2014-07-02
US20140236581A1 (en) 2014-08-21

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