DE69524649D1 - System zum Kodieren und Dekodieren - Google Patents
System zum Kodieren und DekodierenInfo
- Publication number
- DE69524649D1 DE69524649D1 DE69524649T DE69524649T DE69524649D1 DE 69524649 D1 DE69524649 D1 DE 69524649D1 DE 69524649 T DE69524649 T DE 69524649T DE 69524649 T DE69524649 T DE 69524649T DE 69524649 D1 DE69524649 D1 DE 69524649D1
- Authority
- DE
- Germany
- Prior art keywords
- coding
- decoding system
- decoding
- 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
- 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- 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
- H04B1/665—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 psychoacoustic properties of the ear, e.g. masking effect
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940001577A KR0134318B1 (ko) | 1994-01-28 | 1994-01-28 | 채널간의 마스킹특성을 고려한 비트할당장치 및 그 방법과 복호화장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69524649D1 true DE69524649D1 (de) | 2002-01-31 |
DE69524649T2 DE69524649T2 (de) | 2002-08-08 |
Family
ID=19376404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69524649T Expired - Lifetime DE69524649T2 (de) | 1994-01-28 | 1995-01-27 | System zum Kodieren und Dekodieren |
Country Status (5)
Country | Link |
---|---|
US (1) | US5734657A (de) |
EP (1) | EP0665547B1 (de) |
JP (1) | JP3379610B2 (de) |
KR (1) | KR0134318B1 (de) |
DE (1) | DE69524649T2 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5635930A (en) * | 1994-10-03 | 1997-06-03 | Sony Corporation | Information encoding method and apparatus, information decoding method and apparatus and recording medium |
JP2776775B2 (ja) * | 1995-10-25 | 1998-07-16 | 日本電気アイシーマイコンシステム株式会社 | 音声符号化装置及び音声復号化装置 |
FR2740897B1 (fr) * | 1995-11-06 | 1998-01-23 | Aeta Applic Electroniques Tech | Procede et dispositif d'identification de donnees audio et/ou video, sans introduire de perturbations perceptibles |
DE69723412T2 (de) * | 1996-04-10 | 2004-05-19 | Koninklijke Philips Electronics N.V. | Codierung einer vielzahl von datensignalen |
KR100261254B1 (ko) * | 1997-04-02 | 2000-07-01 | 윤종용 | 비트율 조절이 가능한 오디오 데이터 부호화/복호화방법 및 장치 |
DE69834792T2 (de) * | 1997-10-17 | 2007-05-16 | Sony Corp. | Datenverteilungssystem, Verteilungseinrichtung, Terminaleinrichtung und Datenverteilungsverfahren |
MXPA03005133A (es) * | 2001-11-14 | 2004-04-02 | Matsushita Electric Ind Co Ltd | Dispositivo de codificacion, dispositivo de decodificacion y sistema de los mismos. |
US20040002859A1 (en) * | 2002-06-26 | 2004-01-01 | Chi-Min Liu | Method and architecture of digital conding for transmitting and packing audio signals |
KR100501930B1 (ko) * | 2002-11-29 | 2005-07-18 | 삼성전자주식회사 | 적은 계산량으로 고주파수 성분을 복원하는 오디오 디코딩방법 및 장치 |
KR100467326B1 (ko) * | 2002-12-09 | 2005-01-24 | 학교법인연세대학교 | 추가 비트 할당 기법을 이용한 음성 부호화 및 복호화를위한 송수신기 |
US7536302B2 (en) * | 2004-07-13 | 2009-05-19 | Industrial Technology Research Institute | Method, process and device for coding audio signals |
JP2007264154A (ja) * | 2006-03-28 | 2007-10-11 | Sony Corp | オーディオ信号符号化方法、オーディオ信号符号化方法のプログラム、オーディオ信号符号化方法のプログラムを記録した記録媒体及びオーディオ信号符号化装置 |
CN102737635B (zh) * | 2011-04-08 | 2014-04-30 | 华为终端有限公司 | 一种音频编码方法以及音频编码设备 |
US9300591B2 (en) | 2013-01-28 | 2016-03-29 | Schweitzer Engineering Laboratories, Inc. | Network device |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3639753A1 (de) * | 1986-11-21 | 1988-06-01 | Inst Rundfunktechnik Gmbh | Verfahren zum uebertragen digitalisierter tonsignale |
NL8700985A (nl) * | 1987-04-27 | 1988-11-16 | Philips Nv | Systeem voor sub-band codering van een digitaal audiosignaal. |
CA2002015C (en) * | 1988-12-30 | 1994-12-27 | Joseph Lindley Ii Hall | Perceptual coding of audio signals |
US5479562A (en) * | 1989-01-27 | 1995-12-26 | Dolby Laboratories Licensing Corporation | Method and apparatus for encoding and decoding audio information |
CN1062963C (zh) * | 1990-04-12 | 2001-03-07 | 多尔拜实验特许公司 | 用于产生高质量声音信号的解码器和编码器 |
JP2906646B2 (ja) * | 1990-11-09 | 1999-06-21 | 松下電器産業株式会社 | 音声帯域分割符号化装置 |
KR100263599B1 (ko) * | 1991-09-02 | 2000-08-01 | 요트.게.아. 롤페즈 | 인코딩 시스템 |
EP0535889B1 (de) * | 1991-09-30 | 1998-11-11 | Sony Corporation | Verfahren und Anordnung zur Audiodatenkompression |
CA2088082C (en) * | 1992-02-07 | 1999-01-19 | John Hartung | Dynamic bit allocation for three-dimensional subband video coding |
US5285498A (en) * | 1992-03-02 | 1994-02-08 | At&T Bell Laboratories | Method and apparatus for coding audio signals based on perceptual model |
US5495552A (en) * | 1992-04-20 | 1996-02-27 | Mitsubishi Denki Kabushiki Kaisha | Methods of efficiently recording an audio signal in semiconductor memory |
DE4222623C2 (de) * | 1992-07-10 | 1996-07-11 | Inst Rundfunktechnik Gmbh | Verfahren zum Übertragen oder Speichern von digitalisierten Tonsignalen |
JPH06180948A (ja) * | 1992-12-11 | 1994-06-28 | Sony Corp | ディジタル信号処理装置又は方法、及び記録媒体 |
JP3186292B2 (ja) * | 1993-02-02 | 2001-07-11 | ソニー株式会社 | 高能率符号化方法及び装置 |
-
1994
- 1994-01-28 KR KR1019940001577A patent/KR0134318B1/ko not_active IP Right Cessation
-
1995
- 1995-01-26 JP JP01102795A patent/JP3379610B2/ja not_active Expired - Lifetime
- 1995-01-27 EP EP95300541A patent/EP0665547B1/de not_active Expired - Lifetime
- 1995-01-27 DE DE69524649T patent/DE69524649T2/de not_active Expired - Lifetime
- 1995-01-30 US US08/380,614 patent/US5734657A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR0134318B1 (ko) | 1998-04-29 |
DE69524649T2 (de) | 2002-08-08 |
EP0665547A3 (de) | 1996-01-10 |
EP0665547B1 (de) | 2001-12-19 |
US5734657A (en) | 1998-03-31 |
EP0665547A2 (de) | 1995-08-02 |
JP3379610B2 (ja) | 2003-02-24 |
JPH07311594A (ja) | 1995-11-28 |
KR950024448A (ko) | 1995-08-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69324960D1 (de) | Kodierung und Dekodierung | |
DE69620160D1 (de) | Bildkodierungsgerät und Bilddekodierungsgerät | |
DE69825180D1 (de) | Audiokodier- und dekodierverfahren und -vorrichtung | |
DE69523652D1 (de) | Kodierungsvorrichtung | |
DE69712383D1 (de) | Dekodierungsvorrichtung | |
DE69526025D1 (de) | Signalprozessor für Kodierung und Dekodierung | |
DE69425782D1 (de) | Hyterosalpingographie und selektive Salpingographie | |
DE69326990D1 (de) | Kodierungssystem und -verfahren | |
BR9705838A (pt) | Processos e aparelho de codificação/decodificação escalonável | |
DE69728434D1 (de) | Ankoppelvorrichtung und flaschen | |
DE69738262D1 (de) | Videokodierungs- und Videodekodierungsvorrichtung | |
DE69425179D1 (de) | Kodierungsvorrichtung und -verfahren | |
DE69739846D1 (de) | Bildkodierung- und Bilddekodierungsvorrichtung | |
DE69416773D1 (de) | Variabler Längen-Kodieren und variabler Längen-Dekodierer | |
DE69712566D1 (de) | Bildkodierungsverfahren und Bildkodierer | |
DE69521191D1 (de) | Kodier- und Dekodiervorrichtung und -verfahren | |
DE69712234D1 (de) | Kodierungsverfahren und -gerät | |
BR9708223A (pt) | Sistemas de codificação e de decodificação | |
DE68925516D1 (de) | Wirksames Kodierungsverfahren und zugehöriges Dekodierungsverfahren | |
DE69524649D1 (de) | System zum Kodieren und Dekodieren | |
DE69516818D1 (de) | Variables Längen-Kodier- und Dekodiersystem | |
DE69518712D1 (de) | Gerät zur Kodierung und Dekodierung von Linienspektrumpaarparametern | |
DE19882097T1 (de) | Codiereinrichtung und Codierverfahren | |
DE69701927D1 (de) | Adaptive Transformationscodierungsvorrichtung und entsprechende Decodierungsvorrichtung | |
DE69529809D1 (de) | Dekodierungsverfahren und -vorrichtung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |