DE69829242D1 - Tonsignalkodierverfahren und -gerät - Google Patents
Tonsignalkodierverfahren und -gerätInfo
- Publication number
- DE69829242D1 DE69829242D1 DE69829242T DE69829242T DE69829242D1 DE 69829242 D1 DE69829242 D1 DE 69829242D1 DE 69829242 T DE69829242 T DE 69829242T DE 69829242 T DE69829242 T DE 69829242T DE 69829242 D1 DE69829242 D1 DE 69829242D1
- Authority
- DE
- Germany
- Prior art keywords
- coding method
- tone signal
- signal coding
- tone
- signal
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
- H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00007—Time or data compression or expansion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00007—Time or data compression or expansion
- G11B2020/00014—Time or data compression or expansion the compressed signal being an audio signal
- G11B2020/00043—Adaptive transform acoustic coding [ATRAC]
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
- G11B2020/10537—Audio or video recording
- G11B2020/10592—Audio or video recording specifically adapted for recording or reproducing multichannel signals
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12244997 | 1997-05-13 | ||
JP12244997 | 1997-05-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69829242D1 true DE69829242D1 (de) | 2005-04-14 |
DE69829242T2 DE69829242T2 (de) | 2006-02-09 |
Family
ID=14836129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69829242T Expired - Lifetime DE69829242T2 (de) | 1997-05-13 | 1998-05-11 | Tonsignalkodierverfahren und -gerät |
Country Status (4)
Country | Link |
---|---|
US (1) | US6356211B1 (de) |
KR (1) | KR19980086960A (de) |
CN (1) | CN1145894C (de) |
DE (1) | DE69829242T2 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6529730B1 (en) * | 1998-05-15 | 2003-03-04 | Conexant Systems, Inc | System and method for adaptive multi-rate (AMR) vocoder rate adaption |
JP2000123486A (ja) * | 1998-10-21 | 2000-04-28 | Pioneer Electronic Corp | 記録装置 |
JP4406988B2 (ja) * | 1999-03-29 | 2010-02-03 | ソニー株式会社 | 不揮発性記録媒体、記録方法、記録装置 |
US6604070B1 (en) | 1999-09-22 | 2003-08-05 | Conexant Systems, Inc. | System of encoding and decoding speech signals |
DE19959156C2 (de) * | 1999-12-08 | 2002-01-31 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Verarbeiten eines zu codierenden Stereoaudiosignals |
US6614365B2 (en) * | 2000-12-14 | 2003-09-02 | Sony Corporation | Coding device and method, decoding device and method, and recording medium |
JP3598993B2 (ja) * | 2001-05-18 | 2004-12-08 | ソニー株式会社 | 符号化装置及び方法 |
US6963842B2 (en) * | 2001-09-05 | 2005-11-08 | Creative Technology Ltd. | Efficient system and method for converting between different transform-domain signal representations |
US7149412B2 (en) * | 2002-03-01 | 2006-12-12 | Thomson Licensing | Trick mode audio playback |
US7130528B2 (en) * | 2002-03-01 | 2006-10-31 | Thomson Licensing | Audio data deletion and silencing during trick mode replay |
US7809241B2 (en) * | 2002-03-01 | 2010-10-05 | Thomson Licensing | Audio frequency scaling during video trick modes utilizing digital signal processing |
US6625387B1 (en) * | 2002-03-01 | 2003-09-23 | Thomson Licensing S.A. | Gated silence removal during video trick modes |
JP4296753B2 (ja) * | 2002-05-20 | 2009-07-15 | ソニー株式会社 | 音響信号符号化方法及び装置、音響信号復号方法及び装置、並びにプログラム及び記録媒体 |
CA2566366C (en) * | 2004-05-19 | 2013-08-06 | Matsushita Electric Industrial Co. Ltd. | Audio signal encoder and audio signal decoder |
JP4555299B2 (ja) * | 2004-09-28 | 2010-09-29 | パナソニック株式会社 | スケーラブル符号化装置およびスケーラブル符号化方法 |
JP2006197391A (ja) * | 2005-01-14 | 2006-07-27 | Toshiba Corp | 音声ミクシング処理装置及び音声ミクシング処理方法 |
CN101167126B (zh) * | 2005-04-28 | 2011-09-21 | 松下电器产业株式会社 | 语音编码装置和语音编码方法 |
DE602006014957D1 (de) * | 2005-04-28 | 2010-07-29 | Panasonic Corp | Audiocodierungseinrichtung und audiocodierungsverfahren |
US20100010811A1 (en) * | 2006-08-04 | 2010-01-14 | Panasonic Corporation | Stereo audio encoding device, stereo audio decoding device, and method thereof |
US8150702B2 (en) * | 2006-08-04 | 2012-04-03 | Panasonic Corporation | Stereo audio encoding device, stereo audio decoding device, and method thereof |
WO2008132850A1 (ja) * | 2007-04-25 | 2008-11-06 | Panasonic Corporation | ステレオ音声符号化装置、ステレオ音声復号装置、およびこれらの方法 |
EP2264698A4 (de) * | 2008-04-04 | 2012-06-13 | Panasonic Corp | Stereosignalwandler, stereosignalsperrwandler und verfahren für diese |
CN101604524B (zh) * | 2008-06-11 | 2012-01-11 | 北京天籁传音数字技术有限公司 | 立体声编码方法及其装置、立体声解码方法及其装置 |
US20090319279A1 (en) * | 2008-06-19 | 2009-12-24 | Hongwei Kong | Method and system for audio transmit loopback processing in an audio codec |
JP5333257B2 (ja) * | 2010-01-20 | 2013-11-06 | 富士通株式会社 | 符号化装置、符号化システムおよび符号化方法 |
CN110706715B (zh) | 2012-03-29 | 2022-05-24 | 华为技术有限公司 | 信号编码和解码的方法和设备 |
WO2014115225A1 (ja) | 2013-01-22 | 2014-07-31 | パナソニック株式会社 | 帯域幅拡張パラメータ生成装置、符号化装置、復号装置、帯域幅拡張パラメータ生成方法、符号化方法、および、復号方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61107818A (ja) * | 1984-10-30 | 1986-05-26 | Nec Corp | エントロピ−符号化方式とその装置 |
JP2693893B2 (ja) * | 1992-03-30 | 1997-12-24 | 松下電器産業株式会社 | ステレオ音声符号化方法 |
US5414423A (en) * | 1993-04-29 | 1995-05-09 | International Business Machines Corporation | Stabilization of probability estimates by conditioning on prior decisions of a given context |
JP3175446B2 (ja) * | 1993-11-29 | 2001-06-11 | ソニー株式会社 | 情報圧縮方法及び装置、圧縮情報伸張方法及び装置、圧縮情報記録/伝送装置、圧縮情報再生装置、圧縮情報受信装置、並びに記録媒体 |
US5635930A (en) * | 1994-10-03 | 1997-06-03 | Sony Corporation | Information encoding method and apparatus, information decoding method and apparatus and recording medium |
JP2766466B2 (ja) * | 1995-08-02 | 1998-06-18 | 株式会社東芝 | オーディオ方式、その再生方法、並びにその記録媒体及びその記録媒体への記録方法 |
-
1998
- 1998-05-07 US US09/074,113 patent/US6356211B1/en not_active Expired - Lifetime
- 1998-05-11 DE DE69829242T patent/DE69829242T2/de not_active Expired - Lifetime
- 1998-05-12 KR KR1019980016890A patent/KR19980086960A/ko not_active Application Discontinuation
- 1998-05-12 CN CNB981092101A patent/CN1145894C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6356211B1 (en) | 2002-03-12 |
KR19980086960A (ko) | 1998-12-05 |
DE69829242T2 (de) | 2006-02-09 |
CN1199202A (zh) | 1998-11-18 |
CN1145894C (zh) | 2004-04-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) |