DE69510147D1 - Perzeptueller Teilbandkodierer - Google Patents

Perzeptueller Teilbandkodierer

Info

Publication number
DE69510147D1
DE69510147D1 DE69510147T DE69510147T DE69510147D1 DE 69510147 D1 DE69510147 D1 DE 69510147D1 DE 69510147 T DE69510147 T DE 69510147T DE 69510147 T DE69510147 T DE 69510147T DE 69510147 D1 DE69510147 D1 DE 69510147D1
Authority
DE
Germany
Prior art keywords
subband encoder
perceptual subband
perceptual
encoder
subband
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
Application number
DE69510147T
Other languages
English (en)
Other versions
DE69510147T2 (de
Inventor
Hideto Takano
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 Electronics 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
Application filed by NEC Corp filed Critical NEC Corp
Publication of DE69510147D1 publication Critical patent/DE69510147D1/de
Application granted granted Critical
Publication of DE69510147T2 publication Critical patent/DE69510147T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE69510147T 1994-09-26 1995-09-25 Perzeptueller Teilbandkodierer Expired - Fee Related DE69510147T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6229889A JP2778482B2 (ja) 1994-09-26 1994-09-26 帯域分割符号化装置

Publications (2)

Publication Number Publication Date
DE69510147D1 true DE69510147D1 (de) 1999-07-15
DE69510147T2 DE69510147T2 (de) 2000-03-02

Family

ID=16899310

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69510147T Expired - Fee Related DE69510147T2 (de) 1994-09-26 1995-09-25 Perzeptueller Teilbandkodierer

Country Status (4)

Country Link
US (1) US5588024A (de)
EP (1) EP0703677B1 (de)
JP (1) JP2778482B2 (de)
DE (1) DE69510147T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970011727B1 (en) * 1994-11-09 1997-07-14 Daewoo Electronics Co Ltd Apparatus for encoding of the audio signal
US6700958B2 (en) * 1995-04-10 2004-03-02 Starguide Digital Networks, Inc. Method and apparatus for transmitting coded audio signals through a transmission channel with limited bandwidth
AU5663296A (en) 1995-04-10 1996-10-30 Corporate Computer Systems, Inc. System for compression and decompression of audio signals fo r digital transmission
JP2776300B2 (ja) * 1995-05-31 1998-07-16 日本電気株式会社 音声信号処理回路
JPH11511313A (ja) * 1995-08-16 1999-09-28 スターガイド デジタル ネットワークス，インコーポレイティド 音声信号および映像信号伝送用の帯域幅の動的割当て方法
BR9610415A (pt) * 1995-09-01 1999-09-14 Starguide Digital Networks Inc Sistema de distribuição e produção de arquivos de áudio
JPH09101799A (ja) * 1995-10-04 1997-04-15 Sony Corp 信号符号化方法及び装置
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
US7194757B1 (en) 1998-03-06 2007-03-20 Starguide Digital Network, Inc. Method and apparatus for push and pull distribution of multimedia
US8284774B2 (en) 1998-04-03 2012-10-09 Megawave Audio Llc Ethernet digital storage (EDS) card and satellite transmission system
US6160797A (en) 1998-04-03 2000-12-12 Starguide Digital Networks, Inc. Satellite receiver/router, system, and method of use
US20020105955A1 (en) * 1999-04-03 2002-08-08 Roberts Roswell R. Ethernet digital storage (EDS) card and satellite transmission system including faxing capability
US7003449B1 (en) 1999-10-30 2006-02-21 Stmicroelectronics Asia Pacific Pte Ltd. Method of encoding an audio signal using a quality value for bit allocation
US7075506B2 (en) * 2000-02-25 2006-07-11 Texas Instruments Incorporated Spatial-temporal multiplexing
US6745162B1 (en) * 2000-06-22 2004-06-01 Sony Corporation System and method for bit allocation in an audio encoder
JP2002196792A (ja) * 2000-12-25 2002-07-12 Matsushita Electric Ind Co Ltd 音声符号化方式、音声符号化方法およびそれを用いる音声符号化装置、記録媒体、ならびに音楽配信システム
CN1771533A (zh) * 2003-05-27 2006-05-10 皇家飞利浦电子股份有限公司 音频编码
JP4573670B2 (ja) * 2005-02-25 2010-11-04 ティーオーエー株式会社 符号化装置、符号化方法、復号化装置及び復号化方法
US8781023B2 (en) * 2011-11-01 2014-07-15 At&T Intellectual Property I, L.P. Method and apparatus for improving transmission of data on a bandwidth expanded channel
US8774308B2 (en) * 2011-11-01 2014-07-08 At&T Intellectual Property I, L.P. Method and apparatus for improving transmission of data on a bandwidth mismatched channel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5367608A (en) * 1990-05-14 1994-11-22 U.S. Philips Corporation Transmitter, encoding system and method employing use of a bit allocation unit for subband coding a digital signal
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
US5365553A (en) * 1990-11-30 1994-11-15 U.S. Philips Corporation Transmitter, encoding system and method employing use of a bit need determiner for subband coding a digital signal
TW235392B (de) * 1992-06-02 1994-12-01 Philips Electronics Nv
JP2976701B2 (ja) * 1992-06-24 1999-11-10 日本電気株式会社 量子化ビット数割当方法

Also Published As

Publication number Publication date
JP2778482B2 (ja) 1998-07-23
JPH0895598A (ja) 1996-04-12
EP0703677A3 (de) 1997-06-18
EP0703677A2 (de) 1996-03-27
EP0703677B1 (de) 1999-06-09
US5588024A (en) 1996-12-24
DE69510147T2 (de) 2000-03-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NEC ELECTRONICS CORP., KAWASAKI, KANAGAWA, JP

8339 Ceased/non-payment of the annual fee