DE60329129D1 - Kodeumsetzungsverfahren und Kodeumsetzungsgerät dafür - Google Patents
Kodeumsetzungsverfahren und Kodeumsetzungsgerät dafürInfo
- Publication number
- DE60329129D1 DE60329129D1 DE60329129T DE60329129T DE60329129D1 DE 60329129 D1 DE60329129 D1 DE 60329129D1 DE 60329129 T DE60329129 T DE 60329129T DE 60329129 T DE60329129 T DE 60329129T DE 60329129 D1 DE60329129 D1 DE 60329129D1
- Authority
- DE
- Germany
- Prior art keywords
- code conversion
- apparatus therefor
- conversion method
- conversion apparatus
- code
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000006243 chemical reaction Methods 0.000 title 2
- 238000000034 method Methods 0.000 title 1
Classifications
-
- 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
- G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
Landscapes
- 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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002307733A JP2004151123A (ja) | 2002-10-23 | 2002-10-23 | 符号変換方法、符号変換装置、プログラム及びその記憶媒体 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60329129D1 true DE60329129D1 (de) | 2009-10-15 |
Family
ID=32170946
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60329129T Expired - Lifetime DE60329129D1 (de) | 2002-10-23 | 2003-10-20 | Kodeumsetzungsverfahren und Kodeumsetzungsgerät dafür |
DE60308890T Expired - Lifetime DE60308890T2 (de) | 2002-10-23 | 2003-10-20 | Kode-umsetzungsverfahren |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60308890T Expired - Lifetime DE60308890T2 (de) | 2002-10-23 | 2003-10-20 | Kode-umsetzungsverfahren |
Country Status (8)
Country | Link |
---|---|
US (1) | US20060149537A1 (de) |
EP (2) | EP1560201B1 (de) |
JP (1) | JP2004151123A (de) |
CN (1) | CN100524460C (de) |
AU (1) | AU2003273043A1 (de) |
DE (2) | DE60329129D1 (de) |
HK (1) | HK1077389A1 (de) |
WO (1) | WO2004038696A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4304360B2 (ja) * | 2002-05-22 | 2009-07-29 | 日本電気株式会社 | 音声符号化復号方式間の符号変換方法および装置とその記憶媒体 |
EP2980797A1 (de) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiodecodierer, Verfahren und Computerprogramm mit Zero-Input-Response zur Erzeugung eines sanften Übergangs |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE294441T1 (de) * | 1991-06-11 | 2005-05-15 | Qualcomm Inc | Vocoder mit veränderlicher bitrate |
JPH08146997A (ja) * | 1994-11-21 | 1996-06-07 | Hitachi Ltd | 符号変換装置および符号変換システム |
US5732389A (en) * | 1995-06-07 | 1998-03-24 | Lucent Technologies Inc. | Voiced/unvoiced classification of speech for excitation codebook selection in celp speech decoding during frame erasures |
US5867814A (en) * | 1995-11-17 | 1999-02-02 | National Semiconductor Corporation | Speech coder that utilizes correlation maximization to achieve fast excitation coding, and associated coding method |
JP3071388B2 (ja) * | 1995-12-19 | 2000-07-31 | 国際電気株式会社 | 可変レート音声符号化方式 |
JPH1031499A (ja) * | 1996-07-16 | 1998-02-03 | Nippon Telegr & Teleph Corp <Ntt> | 音声情報符号化・復号化装置および通信装置 |
US5995923A (en) * | 1997-06-26 | 1999-11-30 | Nortel Networks Corporation | Method and apparatus for improving the voice quality of tandemed vocoders |
JP3754819B2 (ja) * | 1998-03-24 | 2006-03-15 | 株式会社日立国際電気 | 音声通信方法及び音声通信装置 |
US6260009B1 (en) * | 1999-02-12 | 2001-07-10 | Qualcomm Incorporated | CELP-based to CELP-based vocoder packet translation |
JP3365360B2 (ja) * | 1999-07-28 | 2003-01-08 | 日本電気株式会社 | 音声信号復号方法および音声信号符号化復号方法とその装置 |
US7031926B2 (en) * | 2000-10-23 | 2006-04-18 | Nokia Corporation | Spectral parameter substitution for the frame error concealment in a speech decoder |
JP2002202799A (ja) * | 2000-10-30 | 2002-07-19 | Fujitsu Ltd | 音声符号変換装置 |
JP4231987B2 (ja) * | 2001-06-15 | 2009-03-04 | 日本電気株式会社 | 音声符号化復号方式間の符号変換方法、その装置、そのプログラム及び記憶媒体 |
JP4108317B2 (ja) * | 2001-11-13 | 2008-06-25 | 日本電気株式会社 | 符号変換方法及び装置とプログラム並びに記憶媒体 |
TWI237916B (en) * | 2002-05-13 | 2005-08-11 | Sun Bridge Corp | Cordless device system |
JP4304360B2 (ja) * | 2002-05-22 | 2009-07-29 | 日本電気株式会社 | 音声符号化復号方式間の符号変換方法および装置とその記憶媒体 |
US7231345B2 (en) * | 2002-07-24 | 2007-06-12 | Nec Corporation | Method and apparatus for transcoding between different speech encoding/decoding systems |
US7630889B2 (en) * | 2003-04-08 | 2009-12-08 | Nec Corporation | Code conversion method and device |
KR100749703B1 (ko) * | 2003-04-22 | 2007-08-16 | 닛본 덴끼 가부시끼가이샤 | 부호 변환 방법 및 장치와 기록 매체 |
JP4793539B2 (ja) * | 2005-03-29 | 2011-10-12 | 日本電気株式会社 | 符号変換方法及び装置とプログラム並びにその記憶媒体 |
-
2002
- 2002-10-23 JP JP2002307733A patent/JP2004151123A/ja active Pending
-
2003
- 2003-10-20 DE DE60329129T patent/DE60329129D1/de not_active Expired - Lifetime
- 2003-10-20 EP EP03754175A patent/EP1560201B1/de not_active Expired - Lifetime
- 2003-10-20 CN CNB2003801019151A patent/CN100524460C/zh not_active Expired - Fee Related
- 2003-10-20 WO PCT/JP2003/013347 patent/WO2004038696A1/ja not_active Application Discontinuation
- 2003-10-20 EP EP06015364A patent/EP1717796B1/de not_active Expired - Fee Related
- 2003-10-20 US US10/531,899 patent/US20060149537A1/en not_active Abandoned
- 2003-10-20 AU AU2003273043A patent/AU2003273043A1/en not_active Abandoned
- 2003-10-20 DE DE60308890T patent/DE60308890T2/de not_active Expired - Lifetime
-
2005
- 2005-10-17 HK HK05109131A patent/HK1077389A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1705979A (zh) | 2005-12-07 |
HK1077389A1 (en) | 2006-02-10 |
US20060149537A1 (en) | 2006-07-06 |
DE60308890T2 (de) | 2007-05-24 |
JP2004151123A (ja) | 2004-05-27 |
WO2004038696A1 (ja) | 2004-05-06 |
EP1717796B1 (de) | 2009-09-02 |
EP1717796A3 (de) | 2008-08-06 |
AU2003273043A1 (en) | 2004-05-13 |
EP1560201B1 (de) | 2006-10-04 |
EP1560201A4 (de) | 2006-01-18 |
EP1717796A2 (de) | 2006-11-02 |
DE60308890D1 (de) | 2006-11-16 |
EP1560201A1 (de) | 2005-08-03 |
CN100524460C (zh) | 2009-08-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |