CN104246876B - 声音解码装置、声音编码装置、声音解码方法及声音编码方法 - Google Patents

声音解码装置、声音编码装置、声音解码方法及声音编码方法 Download PDF

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CN104246876B
CN104246876B CN201380021992.XA CN201380021992A CN104246876B CN 104246876 B CN104246876 B CN 104246876B CN 201380021992 A CN201380021992 A CN 201380021992A CN 104246876 B CN104246876 B CN 104246876B
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frequency
time envelope
signal
low
frequency signal
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CN104246876A (zh
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菊入圭
山口贵史
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NTT Docomo Inc
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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
    • G10L19/04—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
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Telephone Function (AREA)
CN201380021992.XA 2012-04-27 2013-04-12 声音解码装置、声音编码装置、声音解码方法及声音编码方法 Active CN104246876B (zh)

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JP2012-103519 2012-04-27
JP2012103519 2012-04-27
JPJP2012-103519 2012-04-27
JPJP2012-254496 2012-11-20
JP2012254496A JP5997592B2 (ja) 2012-04-27 2012-11-20 音声復号装置
JP2012-254496 2012-11-20
PCT/JP2013/061105 WO2013161592A1 (ja) 2012-04-27 2013-04-12 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、および音声符号化プログラム

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JP6200034B2 (ja) * 2012-04-27 2017-09-20 株式会社Ｎｔｔドコモ 音声復号装置
JP5997592B2 (ja) 2012-04-27 2016-09-28 株式会社Ｎｔｔドコモ 音声復号装置
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JP2016038435A (ja) * 2014-08-06 2016-03-22 ソニー株式会社 符号化装置および方法、復号装置および方法、並びにプログラム
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CN109150320B (zh) * 2018-07-26 2020-10-30 厦门声连网信息科技有限公司 一种声波信号编码、解码方法及装置
CN111092667B (zh) * 2019-12-18 2023-09-01 公安部第三研究所 一种对讲终端音频建立时间的测试方法及测试系统
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US11562760B2 (en) 2023-01-24
US20180336909A1 (en) 2018-11-22
EP4086898A1 (en) 2022-11-09
WO2013161592A1 (ja) 2013-10-31
EP2843658A1 (en) 2015-03-04
TWI576827B (zh) 2017-04-01
CN107068159B (zh) 2021-10-08
JP2013242514A (ja) 2013-12-05
EP4428858A2 (en) 2024-09-11
US20200302945A1 (en) 2020-09-24
CN104246876A (zh) 2014-12-24
US10068584B2 (en) 2018-09-04
EP4428858A3 (en) 2024-11-13
US10714113B2 (en) 2020-07-14
US9761240B2 (en) 2017-09-12
EP2843658A4 (en) 2015-10-28
TW201411603A (zh) 2014-03-16
US20150051904A1 (en) 2015-02-19
CN107068159A (zh) 2017-08-18
US20170301363A1 (en) 2017-10-19
JP5997592B2 (ja) 2016-09-28

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