GB2006583B - Multi-channel sound systems - Google Patents

Multi-channel sound systems

Info

Publication number
GB2006583B
GB2006583B GB7839937A GB7839937A GB2006583B GB 2006583 B GB2006583 B GB 2006583B GB 7839937 A GB7839937 A GB 7839937A GB 7839937 A GB7839937 A GB 7839937A GB 2006583 B GB2006583 B GB 2006583B
Authority
GB
United Kingdom
Prior art keywords
channel sound
sound systems
systems
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
Application number
GB7839937A
Other versions
GB2006583A (en
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.)
Dolby Laboratories Licensing Corp
Original Assignee
Dolby Laboratories 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
Application filed by Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of GB2006583A publication Critical patent/GB2006583A/en
Application granted granted Critical
Publication of GB2006583B publication Critical patent/GB2006583B/en
Expired 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
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereo-Broadcasting Methods (AREA)
GB7839937A 1977-10-14 1978-10-10 Multi-channel sound systems Expired GB2006583B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84204677A 1977-10-14 1977-10-14

Publications (2)

Publication Number Publication Date
GB2006583A GB2006583A (en) 1979-05-02
GB2006583B true GB2006583B (en) 1982-04-28

Family

ID=25286397

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7839937A Expired GB2006583B (en) 1977-10-14 1978-10-10 Multi-channel sound systems

Country Status (4)

Country Link
JP (1) JPS5462801A (en)
CA (1) CA1100881A (en)
FR (1) FR2406368A1 (en)
GB (1) GB2006583B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4577305A (en) * 1983-03-14 1986-03-18 Dolby Laboratories Licensing Corporation Stereophonic motion picture photographic sound-tracks compatible with different sound projection formats and record and playback apparatus therefore
JPS62122500A (en) * 1985-11-22 1987-06-03 Sony Corp Multi-channel stereo reproducing device
DK152478C (en) * 1985-12-06 1988-07-25 Ole Sparkjaer PROCEDURE AND CIRCUIT FOR DECODING FOUR CHANNEL SIGNALS WHICH ARE THE MATRIX CODE AND EXISTING IN THE FORM OF A TWO CHANNEL SIGNAL
JPS63183495A (en) * 1987-01-27 1988-07-28 ヤマハ株式会社 Sound field controller
DE68921899T2 (en) * 1988-01-06 1995-09-21 Lucasarts Entertainment Co Spatial sound reproduction system.
US5043970A (en) * 1988-01-06 1991-08-27 Lucasarts Entertainment Company Sound system with source material and surround timbre response correction, specified front and surround loudspeaker directionality, and multi-loudspeaker surround
US6624873B1 (en) 1998-05-05 2003-09-23 Dolby Laboratories Licensing Corporation Matrix-encoded surround-sound channels in a discrete digital sound format
AU5109899A (en) * 1998-07-17 2000-02-07 Lucasfilm Ltd. Multi-channel audio surround system
AR024353A1 (en) 1999-06-15 2002-10-02 He Chunhong AUDIO AND INTERACTIVE AUXILIARY EQUIPMENT WITH RELATED VOICE TO AUDIO
CN105210388A (en) 2013-04-05 2015-12-30 汤姆逊许可公司 Method for managing reverberant field for immersive audio

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4937601A (en) * 1972-08-07 1974-04-08
GB1522135A (en) * 1974-08-29 1978-08-23 Dolby Laboratories Inc Stereophonic sound system
GB1510385A (en) * 1974-12-16 1978-05-10 Mosely J Surround sound system

Also Published As

Publication number Publication date
JPS5462801A (en) 1979-05-21
FR2406368A1 (en) 1979-05-11
JPH0343839B2 (en) 1991-07-03
GB2006583A (en) 1979-05-02
FR2406368B1 (en) 1983-08-12
CA1100881A (en) 1981-05-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee