JP4679049B2 - スケーラブル復号化装置 - Google Patents

スケーラブル復号化装置 Download PDF

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Publication number
JP4679049B2
JP4679049B2 JP2003341717A JP2003341717A JP4679049B2 JP 4679049 B2 JP4679049 B2 JP 4679049B2 JP 2003341717 A JP2003341717 A JP 2003341717A JP 2003341717 A JP2003341717 A JP 2003341717A JP 4679049 B2 JP4679049 B2 JP 4679049B2
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JP
Japan
Prior art keywords
spectrum
band
signal
decoding
decoded
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Expired - Lifetime
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JP2003341717A
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English (en)
Japanese (ja)
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JP2005107255A5 (enExample
JP2005107255A (ja
Inventor
正浩 押切
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co Ltd
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Priority to JP2003341717A priority Critical patent/JP4679049B2/ja
Application filed by Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to EP10151098A priority patent/EP2172931A1/en
Priority to US10/573,812 priority patent/US7756711B2/en
Priority to CN201310064311.XA priority patent/CN103177730B/zh
Priority to EP04788282A priority patent/EP1669981A4/en
Priority to CN2004800256756A priority patent/CN1849647B/zh
Priority to PCT/JP2004/014215 priority patent/WO2005031705A1/ja
Publication of JP2005107255A publication Critical patent/JP2005107255A/ja
Publication of JP2005107255A5 publication Critical patent/JP2005107255A5/ja
Priority to US12/708,290 priority patent/US8195471B2/en
Application granted granted Critical
Publication of JP4679049B2 publication Critical patent/JP4679049B2/ja
Priority to US13/463,653 priority patent/US8374884B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
JP2003341717A 2003-09-30 2003-09-30 スケーラブル復号化装置 Expired - Lifetime JP4679049B2 (ja)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP2003341717A JP4679049B2 (ja) 2003-09-30 2003-09-30 スケーラブル復号化装置
PCT/JP2004/014215 WO2005031705A1 (ja) 2003-09-30 2004-09-29 サンプリングレート変換装置、符号化装置、復号化装置、およびこれらの方法
US10/573,812 US7756711B2 (en) 2003-09-30 2004-09-29 Sampling rate conversion apparatus, encoding apparatus decoding apparatus and methods thereof
CN201310064311.XA CN103177730B (zh) 2003-09-30 2004-09-29 解码装置、通信终端装置、基站装置以及解码方法
EP04788282A EP1669981A4 (en) 2003-09-30 2004-09-29 DEVICE FOR IMPLEMENTING THE ABDESTRATE, CODING DEVICE, DECODING DEVICE AND METHOD THEREFOR
CN2004800256756A CN1849647B (zh) 2003-09-30 2004-09-29 采样速率转换装置、编码装置、解码装置及它们的方法
EP10151098A EP2172931A1 (en) 2003-09-30 2004-09-29 Sampling rate conversion apparatus, coding apparatus, decoding apparatus and methods thereof
US12/708,290 US8195471B2 (en) 2003-09-30 2010-02-18 Sampling rate conversion apparatus, coding apparatus, decoding apparatus and methods thereof
US13/463,653 US8374884B2 (en) 2003-09-30 2012-05-03 Decoding apparatus and decoding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003341717A JP4679049B2 (ja) 2003-09-30 2003-09-30 スケーラブル復号化装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2009204962A Division JP5031006B2 (ja) 2009-09-04 2009-09-04 スケーラブル復号化装置及びスケーラブル復号化方法

Publications (3)

Publication Number Publication Date
JP2005107255A JP2005107255A (ja) 2005-04-21
JP2005107255A5 JP2005107255A5 (enExample) 2005-08-11
JP4679049B2 true JP4679049B2 (ja) 2011-04-27

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Family Applications (1)

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JP2003341717A Expired - Lifetime JP4679049B2 (ja) 2003-09-30 2003-09-30 スケーラブル復号化装置

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US (3) US7756711B2 (enExample)
EP (2) EP1669981A4 (enExample)
JP (1) JP4679049B2 (enExample)
CN (2) CN1849647B (enExample)
WO (1) WO2005031705A1 (enExample)

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TWI566241B (zh) * 2015-01-23 2017-01-11 宏碁股份有限公司 語音信號處理裝置及語音信號處理方法
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Also Published As

Publication number Publication date
CN1849647A (zh) 2006-10-18
US20120221342A1 (en) 2012-08-30
CN103177730A (zh) 2013-06-26
JP2005107255A (ja) 2005-04-21
EP2172931A1 (en) 2010-04-07
WO2005031705A1 (ja) 2005-04-07
EP1669981A1 (en) 2006-06-14
US20060280271A1 (en) 2006-12-14
CN1849647B (zh) 2013-04-10
US7756711B2 (en) 2010-07-13
US20100161321A1 (en) 2010-06-24
EP1669981A4 (en) 2008-06-18
CN103177730B (zh) 2015-12-09
US8374884B2 (en) 2013-02-12
US8195471B2 (en) 2012-06-05

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