DE69712926D1 - Stereo zu raumklang nachverstärkung- schalldekodierungsschaltung - Google Patents

Stereo zu raumklang nachverstärkung- schalldekodierungsschaltung

Info

Publication number
DE69712926D1
DE69712926D1 DE69712926T DE69712926T DE69712926D1 DE 69712926 D1 DE69712926 D1 DE 69712926D1 DE 69712926 T DE69712926 T DE 69712926T DE 69712926 T DE69712926 T DE 69712926T DE 69712926 D1 DE69712926 D1 DE 69712926D1
Authority
DE
Germany
Prior art keywords
decoding circuit
stereophonic
signals
central channel
sound
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
DE69712926T
Other languages
English (en)
Other versions
DE69712926T2 (de
Inventor
Martin Pineau
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.)
WAVES USA Inc W
Original Assignee
WAVES USA Inc W
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 WAVES USA Inc W filed Critical WAVES USA Inc W
Application granted granted Critical
Publication of DE69712926D1 publication Critical patent/DE69712926D1/de
Publication of DE69712926T2 publication Critical patent/DE69712926T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Amplifiers (AREA)
DE69712926T 1997-11-14 1997-11-14 Stereo zu raumklang nachverstärkung- schalldekodierungsschaltung Expired - Fee Related DE69712926T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CA1997/000882 WO1999026455A1 (en) 1997-11-14 1997-11-14 Post-amplification stereophonic to surround sound decoding circuit

Publications (2)

Publication Number Publication Date
DE69712926D1 true DE69712926D1 (de) 2002-07-04
DE69712926T2 DE69712926T2 (de) 2002-11-28

Family

ID=4173249

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69712926T Expired - Fee Related DE69712926T2 (de) 1997-11-14 1997-11-14 Stereo zu raumklang nachverstärkung- schalldekodierungsschaltung

Country Status (9)

Country Link
EP (1) EP1064824B1 (de)
JP (1) JP2001523937A (de)
AT (1) ATE218267T1 (de)
AU (1) AU748414B2 (de)
CA (1) CA2308576A1 (de)
DE (1) DE69712926T2 (de)
DK (1) DK1064824T3 (de)
ES (1) ES2176716T3 (de)
WO (1) WO1999026455A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7551745B2 (en) 2003-04-24 2009-06-23 Dolby Laboratories Licensing Corporation Volume and compression control in movie theaters
US7251337B2 (en) 2003-04-24 2007-07-31 Dolby Laboratories Licensing Corporation Volume control in movie theaters
DE102004043521A1 (de) 2004-09-08 2006-03-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines Multikanalsignals oder eines Parameterdatensatzes
SE0402649D0 (sv) 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
CN104936090B (zh) * 2015-05-04 2018-12-14 联想(北京)有限公司 一种音频数据的处理方法和音频处理器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4132859A (en) * 1977-12-02 1979-01-02 Egils Ranga Sound reproducing apparatus
JPS54107702A (en) * 1978-02-10 1979-08-23 Nissan Motor Automotive stereophonic speakers
US4382157A (en) * 1978-07-17 1983-05-03 Kenneth P. Wert, Sr. Multiple speaker type sound producing system
US5265166A (en) * 1991-10-30 1993-11-23 Panor Corp. Multi-channel sound simulation system

Also Published As

Publication number Publication date
CA2308576A1 (en) 1999-05-27
AU748414B2 (en) 2002-06-06
DK1064824T3 (da) 2002-09-16
WO1999026455A1 (en) 1999-05-27
ATE218267T1 (de) 2002-06-15
EP1064824A1 (de) 2001-01-03
DE69712926T2 (de) 2002-11-28
AU5045398A (en) 1999-06-07
EP1064824B1 (de) 2002-05-29
ES2176716T3 (es) 2002-12-01
JP2001523937A (ja) 2001-11-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee