JP6439296B2 - 復号装置および方法、並びにプログラム - Google Patents

復号装置および方法、並びにプログラム Download PDF

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JP6439296B2
JP6439296B2 JP2014136633A JP2014136633A JP6439296B2 JP 6439296 B2 JP6439296 B2 JP 6439296B2 JP 2014136633 A JP2014136633 A JP 2014136633A JP 2014136633 A JP2014136633 A JP 2014136633A JP 6439296 B2 JP6439296 B2 JP 6439296B2
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audio signal
priority information
unit
decoding
channel
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Japanese (ja)
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JP2015194666A5 (enExample
JP2015194666A (ja
Inventor
徹 知念
徹 知念
西口　正之
正之 西口
潤宇 史
潤宇 史
光行 畠中
光行 畠中
優樹 山本
優樹 山本
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Sony Corp
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Sony Corp
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Priority to JP2014136633A priority Critical patent/JP6439296B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Priority to CN202010176142.9A priority patent/CN111489758B/zh
Priority to KR1020247040609A priority patent/KR20250002792A/ko
Priority to EP20183981.8A priority patent/EP3745397B1/en
Priority to RU2019112504A priority patent/RU2019112504A/ru
Priority to BR112016021407-2A priority patent/BR112016021407B1/pt
Priority to EP15719835.9A priority patent/EP3123470B1/en
Priority to US15/127,182 priority patent/US20180033440A1/en
Priority to KR1020237005472A priority patent/KR102741508B1/ko
Priority to EP23168474.7A priority patent/EP4243016A3/en
Priority to CN201580014248.6A priority patent/CN106133828B/zh
Priority to RU2016137197A priority patent/RU2689438C2/ru
Priority to KR1020217028231A priority patent/KR20210111897A/ko
Priority to KR1020167021269A priority patent/KR102300062B1/ko
Priority to PCT/JP2015/001432 priority patent/WO2015146057A1/en
Publication of JP2015194666A publication Critical patent/JP2015194666A/ja
Publication of JP2015194666A5 publication Critical patent/JP2015194666A5/ja
Application granted granted Critical
Publication of JP6439296B2 publication Critical patent/JP6439296B2/ja
Priority to US16/726,755 priority patent/US20200135216A1/en
Priority to US17/464,594 priority patent/US20210398546A1/en
Priority to US18/493,363 priority patent/US12676156B2/en
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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
    • 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
    • G10L19/04—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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
JP2014136633A 2014-03-24 2014-07-02 復号装置および方法、並びにプログラム Active JP6439296B2 (ja)

Priority Applications (18)

Application Number Priority Date Filing Date Title
JP2014136633A JP6439296B2 (ja) 2014-03-24 2014-07-02 復号装置および方法、並びにプログラム
RU2016137197A RU2689438C2 (ru) 2014-03-24 2015-03-16 Устройство кодирования и способ кодирования, устройство декодирования и способ декодирования и программа
EP20183981.8A EP3745397B1 (en) 2014-03-24 2015-03-16 Decoding device and decoding method, and program
RU2019112504A RU2019112504A (ru) 2014-03-24 2015-03-16 Устройство кодирования и способ кодирования, устройство декодирования и способ декодирования, и программа
BR112016021407-2A BR112016021407B1 (pt) 2014-03-24 2015-03-16 Dispositivo e método de decodificação, pelo menos um meio de armazenamento legível por computador não transitório, e, dispositivo e método de codificação
EP15719835.9A EP3123470B1 (en) 2014-03-24 2015-03-16 Encoding device and encoding method, decoding device and decoding method, and program
US15/127,182 US20180033440A1 (en) 2014-03-24 2015-03-16 Encoding device and encoding method, decoding device and decoding method, and program
KR1020167021269A KR102300062B1 (ko) 2014-03-24 2015-03-16 인코딩 장치 및 인코딩 방법, 디코딩 장치 및 디코딩 방법, 및 프로그램
KR1020247040609A KR20250002792A (ko) 2014-03-24 2015-03-16 인코딩 장치 및 인코딩 방법, 디코딩 장치 및 디코딩 방법, 및 프로그램
CN201580014248.6A CN106133828B (zh) 2014-03-24 2015-03-16 编码装置和编码方法、解码装置和解码方法及存储介质
CN202010176142.9A CN111489758B (zh) 2014-03-24 2015-03-16 解码装置、解码方法及存储介质
EP23168474.7A EP4243016A3 (en) 2014-03-24 2015-03-16 Decoding device and decoding method, and program
KR1020237005472A KR102741508B1 (ko) 2014-03-24 2015-03-16 인코딩 장치 및 인코딩 방법, 디코딩 장치 및 디코딩 방법, 및 프로그램
PCT/JP2015/001432 WO2015146057A1 (en) 2014-03-24 2015-03-16 Encoding device and encoding method, decoding device and decoding method, and program
KR1020217028231A KR20210111897A (ko) 2014-03-24 2015-03-16 인코딩 장치 및 인코딩 방법, 디코딩 장치 및 디코딩 방법, 및 프로그램
US16/726,755 US20200135216A1 (en) 2014-03-24 2019-12-24 Encoding device and encoding method, decoding device and decoding method, and program
US17/464,594 US20210398546A1 (en) 2014-03-24 2021-09-01 Encoding device and encoding method, decoding device and decoding method, and program
US18/493,363 US12676156B2 (en) 2014-03-24 2023-10-24 Encoding device and encoding method, decoding device and decoding method, and program

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2014060486 2014-03-24
JP2014060486 2014-03-24
JP2014136633A JP6439296B2 (ja) 2014-03-24 2014-07-02 復号装置および方法、並びにプログラム

Related Child Applications (1)

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JP2018217178A Division JP6863359B2 (ja) 2014-03-24 2018-11-20 復号装置および方法、並びにプログラム

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JP2015194666A JP2015194666A (ja) 2015-11-05
JP2015194666A5 JP2015194666A5 (enExample) 2017-03-23
JP6439296B2 true JP6439296B2 (ja) 2018-12-19

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US (4) US20180033440A1 (enExample)
EP (3) EP3745397B1 (enExample)
JP (1) JP6439296B2 (enExample)
KR (4) KR20250002792A (enExample)
CN (2) CN111489758B (enExample)
BR (1) BR112016021407B1 (enExample)
RU (2) RU2019112504A (enExample)
WO (1) WO2015146057A1 (enExample)

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RU2016137197A (ru) 2018-03-21
US20210398546A1 (en) 2021-12-23
KR102300062B1 (ko) 2021-09-09
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EP3123470B1 (en) 2020-08-12
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RU2689438C2 (ru) 2019-05-28
JP2015194666A (ja) 2015-11-05
US20180033440A1 (en) 2018-02-01
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