DE69701927T2 - Adaptive Transformationscodierungsvorrichtung und entsprechende Decodierungsvorrichtung - Google Patents

Adaptive Transformationscodierungsvorrichtung und entsprechende Decodierungsvorrichtung

Info

Publication number
DE69701927T2
DE69701927T2 DE69701927T DE69701927T DE69701927T2 DE 69701927 T2 DE69701927 T2 DE 69701927T2 DE 69701927 T DE69701927 T DE 69701927T DE 69701927 T DE69701927 T DE 69701927T DE 69701927 T2 DE69701927 T2 DE 69701927T2
Authority
DE
Germany
Prior art keywords
transform coding
corresponding decoding
adaptive transform
decoding device
coding device
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
Application number
DE69701927T
Other languages
English (en)
Other versions
DE69701927D1 (de
Inventor
Yuichiro Takamizawa
Masahiro Iwadare
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.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=15922864&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69701927(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE69701927D1 publication Critical patent/DE69701927D1/de
Publication of DE69701927T2 publication Critical patent/DE69701927T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
DE69701927T 1996-07-01 1997-07-01 Adaptive Transformationscodierungsvorrichtung und entsprechende Decodierungsvorrichtung Expired - Lifetime DE69701927T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17142396A JP3255022B2 (ja) 1996-07-01 1996-07-01 適応変換符号化方式および適応変換復号方式

Publications (2)

Publication Number Publication Date
DE69701927D1 DE69701927D1 (de) 2000-06-15
DE69701927T2 true DE69701927T2 (de) 2000-10-05

Family

ID=15922864

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69701927T Expired - Lifetime DE69701927T2 (de) 1996-07-01 1997-07-01 Adaptive Transformationscodierungsvorrichtung und entsprechende Decodierungsvorrichtung

Country Status (7)

Country Link
US (3) US5841377A (de)
EP (1) EP0817395B1 (de)
JP (1) JP3255022B2 (de)
KR (1) KR100255533B1 (de)
AU (1) AU717993B2 (de)
CA (1) CA2209570C (de)
DE (1) DE69701927T2 (de)

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US8505108B2 (en) 1993-11-18 2013-08-06 Digimarc Corporation Authentication using a digital watermark
US6122014A (en) * 1998-09-17 2000-09-19 Motorola, Inc. Modified chroma keyed technique for simple shape coding for digital video
US6278385B1 (en) * 1999-02-01 2001-08-21 Yamaha Corporation Vector quantizer and vector quantization method
SE0004187D0 (sv) * 2000-11-15 2000-11-15 Coding Technologies Sweden Ab Enhancing the performance of coding systems that use high frequency reconstruction methods
JP2002215196A (ja) 2001-01-24 2002-07-31 Nec Corp ０．７５乗計算装置及び０．７５乗計算方法並びにそれに用いるプログラム
US8446947B2 (en) 2003-10-10 2013-05-21 Agency For Science, Technology And Research Method for encoding a digital signal into a scalable bitstream; method for decoding a scalable bitstream
US7292962B1 (en) * 2004-03-25 2007-11-06 Sun Microsystems, Inc. Technique for detecting changes in signals that are measured by quantization
KR101037931B1 (ko) * 2004-05-13 2011-05-30 삼성전자주식회사 2차원 데이터 처리를 이용한 음성 신호 압축 및 복원장치와 그 방법
JP4903670B2 (ja) * 2007-10-31 2012-03-28 京セラミタ株式会社 画像処理装置、画像形成装置及びプログラム
WO2009075326A1 (ja) 2007-12-11 2009-06-18 Nippon Telegraph And Telephone Corporation 符号化方法、復号化方法、これらの方法を用いた装置、プログラム、記録媒体
KR101668093B1 (ko) * 2010-06-17 2016-10-21 삼성전자주식회사 데이터 인코딩 및 디코딩 방법 및 장치
US10101049B2 (en) 2015-11-12 2018-10-16 Oracle International Corporation Determining parameters of air-cooling mechanisms

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US4184049A (en) 1978-08-25 1980-01-15 Bell Telephone Laboratories, Incorporated Transform speech signal coding with pitch controlled adaptive quantizing
JPS5936280B2 (ja) 1982-11-22 1984-09-03 日本電信電話株式会社 音声の適応変換符号化方式
CA1197619A (en) 1982-12-24 1985-12-03 Kazunori Ozawa Voice encoding systems
EP0163829B1 (de) 1984-03-21 1989-08-23 Nippon Telegraph And Telephone Corporation Sprachsignaleverarbeitungssystem
JPS6262399A (ja) * 1985-09-13 1987-03-19 株式会社日立製作所 音声高能率符号化方式
JP2828997B2 (ja) * 1988-07-22 1998-11-25 株式会社日立製作所 適応型変換符号化装置
JPH0810935B2 (ja) * 1988-12-09 1996-01-31 富士写真フイルム株式会社 画像信号圧縮符号化装置および伸長再生装置
JPH0832039B2 (ja) * 1989-08-19 1996-03-27 日本ビクター株式会社 可変長符号化方法及びその装置
US5206884A (en) * 1990-10-25 1993-04-27 Comsat Transform domain quantization technique for adaptive predictive coding
JP3158458B2 (ja) * 1991-01-31 2001-04-23 日本電気株式会社 階層表現された信号の符号化方式
FI95085C (fi) 1992-05-11 1995-12-11 Nokia Mobile Phones Ltd Menetelmä puhesignaalin digitaaliseksi koodaamiseksi sekä puhekooderi menetelmän suorittamiseksi
CA2166723A1 (en) 1993-07-07 1995-01-19 Antony Henry Crossman A fixed bit rate speech encoder/decoder
JP3125543B2 (ja) * 1993-11-29 2001-01-22 ソニー株式会社 信号符号化方法及び装置、信号復号化方法及び装置、並びに記録媒体
US5508949A (en) 1993-12-29 1996-04-16 Hewlett-Packard Company Fast subband filtering in digital signal coding
KR100289733B1 (ko) 1994-06-30 2001-05-15 윤종용 디지탈 오디오 부호화 방법 및 장치
JP3563779B2 (ja) 1994-09-13 2004-09-08 株式会社ルネサステクノロジ 半導体記憶装置
JPH08179794A (ja) 1994-12-21 1996-07-12 Sony Corp サブバンド符号化方法及び装置
EP0720316B1 (de) 1994-12-30 1999-12-08 Daewoo Electronics Co., Ltd Adaptive Kodiervorrichtung für Digitaltonsignale und Bitverteilungsverfahren dafür
JP3297238B2 (ja) 1995-01-20 2002-07-02 大宇電子株式會▲社▼ 適応的符号化システム及びビット割当方法
JPH09135173A (ja) 1995-11-10 1997-05-20 Sony Corp 符号化装置および符号化方法、復号化装置および復号化方法、伝送装置および伝送方法、並びに記録媒体
US6272176B1 (en) * 1998-07-16 2001-08-07 Nielsen Media Research, Inc. Broadcast encoding system and method

Also Published As

Publication number Publication date
AU717993B2 (en) 2000-04-06
KR980013436A (ko) 1998-04-30
JP3255022B2 (ja) 2002-02-12
EP0817395B1 (de) 2000-05-10
AU2842097A (en) 1998-01-15
US5841377A (en) 1998-11-24
DE69701927D1 (de) 2000-06-15
USRE38593E1 (en) 2004-09-21
CA2209570A1 (en) 1998-01-01
EP0817395A1 (de) 1998-01-07
CA2209570C (en) 2000-09-19
KR100255533B1 (ko) 2000-05-01
JPH1020897A (ja) 1998-01-23
USRE41370E1 (en) 2010-06-08

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