DE69615852D1 - Dsp-dekodierer zur dekodierung von dolby-sr-kodierten audiosignalen - Google Patents

Dsp-dekodierer zur dekodierung von dolby-sr-kodierten audiosignalen

Info

Publication number
DE69615852D1
DE69615852D1 DE69615852T DE69615852T DE69615852D1 DE 69615852 D1 DE69615852 D1 DE 69615852D1 DE 69615852 T DE69615852 T DE 69615852T DE 69615852 T DE69615852 T DE 69615852T DE 69615852 D1 DE69615852 D1 DE 69615852D1
Authority
DE
Germany
Prior art keywords
audio signals
coded audio
dsp decoder
dolby
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 - Fee Related
Application number
DE69615852T
Other languages
English (en)
Other versions
DE69615852T2 (de
Inventor
Laura Mercs
M Embree
W Barnes
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.)
Sony Pictures Entertainment Inc
Original Assignee
Sony Pictures Entertainment Inc
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=24245628&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69615852(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sony Pictures Entertainment Inc filed Critical Sony Pictures Entertainment Inc
Application granted granted Critical
Publication of DE69615852D1 publication Critical patent/DE69615852D1/de
Publication of DE69615852T2 publication Critical patent/DE69615852T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • 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
    • 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
    • G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • 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
    • H04B1/62—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 providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Analogue/Digital Conversion (AREA)
DE69615852T 1995-11-22 1996-11-22 Dsp-dekodierer zur dekodierung von dolby-sr-kodierten audiosignalen Expired - Fee Related DE69615852T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/562,286 US5910995A (en) 1995-11-22 1995-11-22 DSP decoder for decoding analog SR encoded audio signals
PCT/US1996/018498 WO1997019447A1 (en) 1995-11-22 1996-11-22 Dsp decoder for decoding analog sr encoded audio signals

Publications (2)

Publication Number Publication Date
DE69615852D1 true DE69615852D1 (de) 2001-11-15
DE69615852T2 DE69615852T2 (de) 2002-04-11

Family

ID=24245628

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69615852T Expired - Fee Related DE69615852T2 (de) 1995-11-22 1996-11-22 Dsp-dekodierer zur dekodierung von dolby-sr-kodierten audiosignalen

Country Status (8)

Country Link
US (1) US5910995A (de)
EP (1) EP0862777B1 (de)
JP (1) JP2000500899A (de)
AU (1) AU7738296A (de)
CA (1) CA2238021C (de)
DE (1) DE69615852T2 (de)
ES (1) ES2162118T3 (de)
WO (1) WO1997019447A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5910995A (en) * 1995-11-22 1999-06-08 Sony Corporation Of Japan DSP decoder for decoding analog SR encoded audio signals
KR100335611B1 (ko) * 1997-11-20 2002-10-09 삼성전자 주식회사 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치
WO2007004397A1 (ja) * 2005-07-01 2007-01-11 Pioneer Corporation 音響信号処理装置、音響信号処理方法、音響信号処理プログラムおよびコンピュータに読み取り可能な記録媒体
JP4834671B2 (ja) * 2005-09-29 2011-12-14 株式会社マルハニチロ水産 成人病の予防及び治療に有効な組成物

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60101769A (ja) * 1983-11-09 1985-06-05 Hitachi Ltd 信号伝送装置
US4802222A (en) * 1983-12-12 1989-01-31 Sri International Data compression system and method for audio signals
US4736433A (en) * 1985-06-17 1988-04-05 Dolby Ray Milton Circuit arrangements for modifying dynamic range using action substitution and superposition techniques
DE3630692A1 (de) * 1985-09-10 1987-04-30 Canon Kk Tonsignaluebertragungssystem
US4922535A (en) * 1986-03-03 1990-05-01 Dolby Ray Milton Transient control aspects of circuit arrangements for altering the dynamic range of audio signals
US4829299A (en) * 1987-09-25 1989-05-09 Dolby Laboratories Licensing Corporation Adaptive-filter single-bit digital encoder and decoder and adaptation control circuit responsive to bit-stream loading
US5185806A (en) * 1989-04-03 1993-02-09 Dolby Ray Milton Audio compressor, expander, and noise reduction circuits for consumer and semi-professional use
JP3317966B2 (ja) * 1989-04-03 2002-08-26 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション 民生用及び準職業用オーディオ・コンプレッサ、エクスパンダ、及び雑音低減回路
DE4109211A1 (de) * 1991-03-21 1992-09-24 Philips Patentverwaltung Schaltungsanordnung zur frequenzgangbeeinflussung eines digitalen audiosignals
JPH0537298A (ja) * 1991-07-29 1993-02-12 Rohm Co Ltd デイジタルフイルタ
AU665200B2 (en) * 1991-08-02 1995-12-21 Sony Corporation Digital encoder with dynamic quantization bit allocation
US5150379A (en) * 1991-09-27 1992-09-22 Hewlett-Packard Company Signal processing system for adaptive equalization
US5291557A (en) * 1992-10-13 1994-03-01 Dolby Laboratories Licensing Corporation Adaptive rematrixing of matrixed audio signals
FI97758C (fi) * 1992-11-20 1997-02-10 Nokia Deutschland Gmbh Järjestelmä audiosignaalin käsittelemiseksi
JPH0795010A (ja) * 1993-09-21 1995-04-07 Yamaha Corp ディジタルフィルタ
US5483600A (en) * 1994-02-14 1996-01-09 Aphex Systems, Ltd. Wave dependent compressor
US5677951A (en) * 1995-06-19 1997-10-14 Lucent Technologies Inc. Adaptive filter and method for implementing echo cancellation
US5910995A (en) * 1995-11-22 1999-06-08 Sony Corporation Of Japan DSP decoder for decoding analog SR encoded audio signals

Also Published As

Publication number Publication date
ES2162118T3 (es) 2001-12-16
CA2238021A1 (en) 1997-05-29
WO1997019447A1 (en) 1997-05-29
EP0862777B1 (de) 2001-10-10
US5910995A (en) 1999-06-08
DE69615852T2 (de) 2002-04-11
EP0862777A1 (de) 1998-09-09
CA2238021C (en) 2005-06-14
JP2000500899A (ja) 2000-01-25
AU7738296A (en) 1997-06-11

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee