JP5997592B2 - 音声復号装置 - Google Patents

音声復号装置 Download PDF

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Publication number
JP5997592B2
JP5997592B2 JP2012254496A JP2012254496A JP5997592B2 JP 5997592 B2 JP5997592 B2 JP 5997592B2 JP 2012254496 A JP2012254496 A JP 2012254496A JP 2012254496 A JP2012254496 A JP 2012254496A JP 5997592 B2 JP5997592 B2 JP 5997592B2
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time envelope
signal
frequency signal
high frequency
unit
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Japanese (ja)
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JP2013242514A (ja
JP2013242514A5 (enExample
Inventor
菊入　圭
圭 菊入
山口　貴史
貴史 山口
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NTT Docomo Inc
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NTT Docomo Inc
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Priority to JP2012254496A priority Critical patent/JP5997592B2/ja
Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc
Priority to EP24191435.7A priority patent/EP4428858A3/en
Priority to CN201710052845.9A priority patent/CN107068159B/zh
Priority to PCT/JP2013/061105 priority patent/WO2013161592A1/ja
Priority to EP13781215.2A priority patent/EP2843658A4/en
Priority to CN201380021992.XA priority patent/CN104246876B/zh
Priority to EP22178627.0A priority patent/EP4086898A1/en
Priority to TW102114359A priority patent/TWI576827B/zh
Publication of JP2013242514A publication Critical patent/JP2013242514A/ja
Priority to US14/523,260 priority patent/US9761240B2/en
Publication of JP2013242514A5 publication Critical patent/JP2013242514A5/ja
Application granted granted Critical
Publication of JP5997592B2 publication Critical patent/JP5997592B2/ja
Priority to US15/635,191 priority patent/US10068584B2/en
Priority to US16/047,904 priority patent/US10714113B2/en
Priority to US16/894,748 priority patent/US11562760B2/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
    • G10L19/04—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)
JP2012254496A 2012-04-27 2012-11-20 音声復号装置 Active JP5997592B2 (ja)

Priority Applications (12)

Application Number Priority Date Filing Date Title
JP2012254496A JP5997592B2 (ja) 2012-04-27 2012-11-20 音声復号装置
EP22178627.0A EP4086898A1 (en) 2012-04-27 2013-04-12 Audio decoding device
CN201710052845.9A CN107068159B (zh) 2012-04-27 2013-04-12 声音解码装置
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
EP13781215.2A EP2843658A4 (en) 2012-04-27 2013-04-12 AUDIO CODING DEVICE, AUDIOCODING DEVICE, AUDIO CODING METHOD, AUDIOCODING PROCESS, AUDIO CODING PROGRAM AND AUDIOCODING PROGRAM
CN201380021992.XA CN104246876B (zh) 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
EP24191435.7A EP4428858A3 (en) 2012-04-27 2013-04-12 Audio decoding device
TW102114359A TWI576827B (zh) 2012-04-27 2013-04-23 Sound decoding device
US14/523,260 US9761240B2 (en) 2012-04-27 2014-10-24 Audio decoding device, audio coding device, audio decoding method, audio coding method, audio decoding program, and audio coding program
US15/635,191 US10068584B2 (en) 2012-04-27 2017-06-27 Audio decoding device, audio coding device, audio decoding method, audio coding method, audio decoding program, and audio coding program
US16/047,904 US10714113B2 (en) 2012-04-27 2018-07-27 Audio decoding device, audio coding device, audio decoding method, audio coding method, audio decoding program, and audio coding program
US16/894,748 US11562760B2 (en) 2012-04-27 2020-06-05 Audio decoding device, audio coding device, audio decoding method, audio coding method, audio decoding program, and audio coding program

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012103519 2012-04-27
JP2012103519 2012-04-27
JP2012254496A JP5997592B2 (ja) 2012-04-27 2012-11-20 音声復号装置

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JP2016099513A Division JP6200034B2 (ja) 2012-04-27 2016-05-18 音声復号装置

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JP2013242514A JP2013242514A (ja) 2013-12-05
JP2013242514A5 JP2013242514A5 (enExample) 2015-10-08
JP5997592B2 true JP5997592B2 (ja) 2016-09-28

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US (4) US9761240B2 (enExample)
EP (3) EP4086898A1 (enExample)
JP (1) JP5997592B2 (enExample)
CN (2) CN104246876B (enExample)
TW (1) TWI576827B (enExample)
WO (1) WO2013161592A1 (enExample)

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Also Published As

Publication number Publication date
CN104246876B (zh) 2017-03-01
JP2013242514A (ja) 2013-12-05
CN107068159A (zh) 2017-08-18
TWI576827B (zh) 2017-04-01
CN107068159B (zh) 2021-10-08
US11562760B2 (en) 2023-01-24
US20180336909A1 (en) 2018-11-22
US20200302945A1 (en) 2020-09-24
WO2013161592A1 (ja) 2013-10-31
US9761240B2 (en) 2017-09-12
EP4428858A3 (en) 2024-11-13
US10714113B2 (en) 2020-07-14
EP2843658A1 (en) 2015-03-04
CN104246876A (zh) 2014-12-24
US20170301363A1 (en) 2017-10-19
TW201411603A (zh) 2014-03-16
EP4428858A2 (en) 2024-09-11
US20150051904A1 (en) 2015-02-19
EP2843658A4 (en) 2015-10-28
EP4086898A1 (en) 2022-11-09
US10068584B2 (en) 2018-09-04

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