SG66294A1 - Computationally efficient adaptive bit allocation for encoding method and apparatus with allowance for decoder spectral distortions - Google Patents

Computationally efficient adaptive bit allocation for encoding method and apparatus with allowance for decoder spectral distortions

Info

Publication number
SG66294A1
SG66294A1 SG1996008341A SG1996008341A SG66294A1 SG 66294 A1 SG66294 A1 SG 66294A1 SG 1996008341 A SG1996008341 A SG 1996008341A SG 1996008341 A SG1996008341 A SG 1996008341A SG 66294 A1 SG66294 A1 SG 66294A1
Authority
SG
Singapore
Prior art keywords
allocation
function
allowance
subband signals
spectral distortions
Prior art date
Application number
SG1996008341A
Other languages
English (en)
Inventor
Fielder Louis Dunn
Original Assignee
Dolby Lab Licensing 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
Priority claimed from US08/145,975 external-priority patent/US5632003A/en
Priority claimed from US08/190,655 external-priority patent/US5623577A/en
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of SG66294A1 publication Critical patent/SG66294A1/en

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
SG1996008341A 1993-07-16 1994-07-15 Computationally efficient adaptive bit allocation for encoding method and apparatus with allowance for decoder spectral distortions SG66294A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US9226993A 1993-07-16 1993-07-16
US08/145,975 US5632003A (en) 1993-07-16 1993-11-01 Computationally efficient adaptive bit allocation for coding method and apparatus
US08/190,655 US5623577A (en) 1993-07-16 1994-01-28 Computationally efficient adaptive bit allocation for encoding method and apparatus with allowance for decoder spectral distortions

Publications (1)

Publication Number Publication Date
SG66294A1 true SG66294A1 (en) 1999-07-20

Family

ID=27377179

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996008341A SG66294A1 (en) 1993-07-16 1994-07-15 Computationally efficient adaptive bit allocation for encoding method and apparatus with allowance for decoder spectral distortions

Country Status (10)

Country Link
EP (1) EP0709006B1 (de)
JP (1) JP3297050B2 (de)
AT (1) ATE149766T1 (de)
AU (1) AU677688B2 (de)
CA (1) CA2165450C (de)
DE (1) DE69401959T2 (de)
DK (1) DK0709006T3 (de)
ES (1) ES2098974T3 (de)
SG (1) SG66294A1 (de)
WO (1) WO1995002929A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0722225A3 (de) * 1994-11-17 2000-06-07 Deutsche Thomson-Brandt Gmbh Audiosignalkodierung mittels Kurzzeitspektren und einem psychoakustischen Modell
US6363338B1 (en) * 1999-04-12 2002-03-26 Dolby Laboratories Licensing Corporation Quantization in perceptual audio coders with compensation for synthesis filter noise spreading
WO2003065353A1 (en) * 2002-01-30 2003-08-07 Matsushita Electric Industrial Co., Ltd. Audio encoding and decoding device and methods thereof
CN1666571A (zh) * 2002-07-08 2005-09-07 皇家飞利浦电子股份有限公司 音频处理
KR100738109B1 (ko) * 2006-04-03 2007-07-12 삼성전자주식회사 입력 신호의 양자화 및 역양자화 방법과 장치, 입력신호의부호화 및 복호화 방법과 장치
CN101425293B (zh) * 2008-09-24 2011-06-08 天津大学 一种高效感知音频比特分配方法
JP6113294B2 (ja) 2012-11-07 2017-04-12 ドルビー・インターナショナル・アーベー 軽減された計算量の変換器ｓｎｒ計算
WO2015034115A1 (ko) 2013-09-05 2015-03-12 삼성전자 주식회사 오디오 신호의 부호화, 복호화 방법 및 장치
JP6398607B2 (ja) 2014-10-24 2018-10-03 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法、オーディオ符号化プログラム

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP4177300B2 (ja) 2004-07-27 2008-11-05 三菱電機株式会社 電子ビーム表面処理方法、および電子ビーム表面処理装置

Also Published As

Publication number Publication date
ES2098974T3 (es) 1997-05-01
DK0709006T3 (da) 1997-09-01
AU677688B2 (en) 1997-05-01
EP0709006B1 (de) 1997-03-05
ATE149766T1 (de) 1997-03-15
CA2165450A1 (en) 1995-01-26
DE69401959T2 (de) 1997-07-31
WO1995002929A1 (en) 1995-01-26
JP3297050B2 (ja) 2002-07-02
JPH09500502A (ja) 1997-01-14
CA2165450C (en) 2005-10-11
DE69401959D1 (de) 1997-04-10
AU7335794A (en) 1995-02-13
EP0709006A1 (de) 1996-05-01

Similar Documents

Publication Publication Date Title
DK0709005T3 (da) Fremgangsmåde og apparat til beregningsmæssig, effektiv, adaptiv bitallokering for kodning.
SG54317A1 (en) Computationally efficient adaptive bit allocation for coding method and apparatus
US6502069B1 (en) Method and a device for coding audio signals and a method and a device for decoding a bit stream
KR100304055B1 (ko) 음성 신호 부호화동안 잡음 대체를 신호로 알리는 방법
US5717764A (en) Global masking thresholding for use in perceptual coding
KR100346066B1 (ko) 오디오신호 코딩방법
EP1101289B1 (de) Verfahren zum einfügen von zusatzdaten in einen audiodatenstrom
US5737718A (en) Method, apparatus and recording medium for a coder with a spectral-shape-adaptive subband configuration
EP1701452B1 (de) Verfahren und vorrichtung zur maskierung des quantisierungsrauschens von audiosignalen
EP0713295B1 (de) Verfahren und vorrichtung zum kodieren und dekodieren von nachrichten
EP0805564A2 (de) Digitaler Kodierer mit dynamischer Quantisierungsbitzuweisung
KR100419546B1 (ko) 신호부호화방법및장치,신호복호화방법및장치,및신호전송방법
CA2489441A1 (en) Audio coding system using spectral hole filling
SG66294A1 (en) Computationally efficient adaptive bit allocation for encoding method and apparatus with allowance for decoder spectral distortions
GB2327577A (en) Re-encoding decoded signals
WO1989007866A1 (en) Method and apparatus for electrical signal coding
JPH09507631A (ja) 差分コーディング原理を用いる送信システム
JP3152114B2 (ja) オーディオ信号の符号化装置及び復号化装置