DE60116809D1 - Vorrichtung zum Transkodieren eines Audiodatenstroms - Google Patents
Vorrichtung zum Transkodieren eines AudiodatenstromsInfo
- Publication number
- DE60116809D1 DE60116809D1 DE60116809T DE60116809T DE60116809D1 DE 60116809 D1 DE60116809 D1 DE 60116809D1 DE 60116809 T DE60116809 T DE 60116809T DE 60116809 T DE60116809 T DE 60116809T DE 60116809 D1 DE60116809 D1 DE 60116809D1
- Authority
- DE
- Germany
- Prior art keywords
- transcoding
- audio data
- data stream
- audio
- stream
- 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 - Fee Related
Links
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
-
- 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
- G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
- G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
-
- 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
- G10L21/04—Time compression or expansion
Landscapes
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000052037A JP3487250B2 (ja) | 2000-02-28 | 2000-02-28 | 符号化音声信号形式変換装置 |
JP2000052037 | 2000-02-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60116809D1 true DE60116809D1 (de) | 2006-04-13 |
DE60116809T2 DE60116809T2 (de) | 2006-09-14 |
Family
ID=18573613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60116809T Expired - Fee Related DE60116809T2 (de) | 2000-02-28 | 2001-02-28 | Vorrichtung zum Transkodieren eines Audiodatenstroms |
Country Status (5)
Country | Link |
---|---|
US (1) | US7099823B2 (de) |
EP (1) | EP1136986B1 (de) |
JP (1) | JP3487250B2 (de) |
CA (1) | CA2338266C (de) |
DE (1) | DE60116809T2 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030028386A1 (en) * | 2001-04-02 | 2003-02-06 | Zinser Richard L. | Compressed domain universal transcoder |
JP4263412B2 (ja) * | 2002-01-29 | 2009-05-13 | 富士通株式会社 | 音声符号変換方法 |
AU2003267713A1 (en) * | 2002-10-03 | 2004-04-23 | Koninklijke Philips Electronics N.V. | Encoding and decoding a media signal |
WO2004090869A1 (ja) * | 2003-04-08 | 2004-10-21 | Nec Corporation | 符号変換方法及び装置 |
US7983835B2 (en) | 2004-11-03 | 2011-07-19 | Lagassey Paul J | Modular intelligent transportation system |
JP4661074B2 (ja) * | 2004-04-07 | 2011-03-30 | ソニー株式会社 | 情報処理システム、情報処理方法、並びにロボット装置 |
US7688888B2 (en) * | 2005-04-22 | 2010-03-30 | Zenith Electronics Llc | CIR estimating decision feedback equalizer with phase tracker |
JP4721355B2 (ja) * | 2006-07-18 | 2011-07-13 | Kddi株式会社 | 符号化データの符号化則変換方法および装置 |
CN104281609B (zh) * | 2013-07-08 | 2020-03-17 | 腾讯科技(深圳)有限公司 | 语音输入指令匹配规则的配置方法及装置 |
CN104347082B (zh) * | 2013-07-24 | 2017-10-24 | 富士通株式会社 | 弦波帧检测方法和设备以及音频编码方法和设备 |
US11165435B2 (en) * | 2019-10-08 | 2021-11-02 | Tron Future Tech Inc. | Signal converting apparatus |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3123286B2 (ja) | 1993-02-18 | 2001-01-09 | ソニー株式会社 | ディジタル信号処理装置又は方法、及び記録媒体 |
KR100352351B1 (ko) * | 1994-02-05 | 2003-01-06 | 소니 가부시끼 가이샤 | 정보부호화방법및장치와정보복호화방법및장치 |
US5541852A (en) * | 1994-04-14 | 1996-07-30 | Motorola, Inc. | Device, method and system for variable bit-rate packet video communications |
US6141446A (en) * | 1994-09-21 | 2000-10-31 | Ricoh Company, Ltd. | Compression and decompression system with reversible wavelets and lossy reconstruction |
US5848391A (en) * | 1996-07-11 | 1998-12-08 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Method subband of coding and decoding audio signals using variable length windows |
JP3283200B2 (ja) | 1996-12-19 | 2002-05-20 | ケイディーディーアイ株式会社 | 符号化音声データの符号化レート変換方法および装置 |
GB2321577B (en) | 1997-01-27 | 2001-08-01 | British Broadcasting Corp | Audio compression |
JPH10336672A (ja) | 1997-05-30 | 1998-12-18 | Oki Electric Ind Co Ltd | 符号化方式変換装置およびその動きベクトル検出方法 |
CN1144179C (zh) * | 1997-07-11 | 2004-03-31 | 索尼株式会社 | 声音信号解码方法和装置、声音信号编码方法和装置 |
JPH11112985A (ja) * | 1997-09-29 | 1999-04-23 | Sony Corp | 画像符号化装置、画像符号化方法、画像復号装置、画像復号方法、および、伝送媒体 |
JP4242516B2 (ja) * | 1999-07-26 | 2009-03-25 | パナソニック株式会社 | サブバンド符号化方式 |
GB0003954D0 (en) | 2000-02-18 | 2000-04-12 | Radioscape Ltd | Method of and apparatus for converting a signal between data compression formats |
-
2000
- 2000-02-28 JP JP2000052037A patent/JP3487250B2/ja not_active Expired - Fee Related
-
2001
- 2001-02-27 US US09/793,463 patent/US7099823B2/en not_active Expired - Fee Related
- 2001-02-27 CA CA002338266A patent/CA2338266C/en not_active Expired - Fee Related
- 2001-02-28 DE DE60116809T patent/DE60116809T2/de not_active Expired - Fee Related
- 2001-02-28 EP EP01104896A patent/EP1136986B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE60116809T2 (de) | 2006-09-14 |
US7099823B2 (en) | 2006-08-29 |
EP1136986A2 (de) | 2001-09-26 |
EP1136986B1 (de) | 2006-01-25 |
EP1136986A3 (de) | 2002-11-13 |
CA2338266C (en) | 2006-10-17 |
JP3487250B2 (ja) | 2004-01-13 |
JP2001242891A (ja) | 2001-09-07 |
CA2338266A1 (en) | 2001-08-28 |
US20010018651A1 (en) | 2001-08-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |