FR2406368A1 - Format et appareils pour systeme sonore - Google Patents

Format et appareils pour systeme sonore

Info

Publication number
FR2406368A1
FR2406368A1 FR7829397A FR7829397A FR2406368A1 FR 2406368 A1 FR2406368 A1 FR 2406368A1 FR 7829397 A FR7829397 A FR 7829397A FR 7829397 A FR7829397 A FR 7829397A FR 2406368 A1 FR2406368 A1 FR 2406368A1
Authority
FR
France
Prior art keywords
signals
surround
screen
sound system
speakers
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.)
Granted
Application number
FR7829397A
Other languages
English (en)
French (fr)
Other versions
FR2406368B1 (enrdf_load_stackoverflow
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 FR2406368A1 publication Critical patent/FR2406368A1/fr
Application granted granted Critical
Publication of FR2406368B1 publication Critical patent/FR2406368B1/fr
Granted 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)
  • Stereo-Broadcasting Methods (AREA)
  • Circuit For Audible Band Transducer (AREA)
FR7829397A 1977-10-14 1978-10-16 Format et appareils pour systeme sonore Granted FR2406368A1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2406368A1 true FR2406368A1 (fr) 1979-05-11
FR2406368B1 FR2406368B1 (enrdf_load_stackoverflow) 1983-08-12

Family

ID=25286397

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7829397A Granted FR2406368A1 (fr) 1977-10-14 1978-10-16 Format et appareils pour systeme sonore

Country Status (4)

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

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 (ja) * 1985-11-22 1987-06-03 Sony Corp マルチチヤンネルステレオ再生装置
DK152478C (da) * 1985-12-06 1988-07-25 Ole Sparkjaer Fremgangsmaade og kredsloeb til dekodning af fire kanalsignaler, som er matrixkodet og foreligger i form af et to-kanal signal
JPS63183495A (ja) * 1987-01-27 1988-07-28 ヤマハ株式会社 音場制御装置
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
EP0323830B1 (en) * 1988-01-06 1995-03-29 LucasArts Entertainment Company Surround-sound system
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
US6985594B1 (en) 1999-06-15 2006-01-10 Hearing Enhancement Co., Llc. Voice-to-remaining audio (VRA) interactive hearing aid and auxiliary equipment
WO2014163657A1 (en) 2013-04-05 2014-10-09 Thomson Licensing Method for managing reverberant field for immersive audio

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2536682A1 (de) * 1974-08-29 1976-05-20 Dolby Laboratories Inc Verfahren und schaltungsanordnung fuer die stereophone tonwiedergabe

Family Cites Families (2)

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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2536682A1 (de) * 1974-08-29 1976-05-20 Dolby Laboratories Inc Verfahren und schaltungsanordnung fuer die stereophone tonwiedergabe

Also Published As

Publication number Publication date
JPS5462801A (en) 1979-05-21
FR2406368B1 (enrdf_load_stackoverflow) 1983-08-12
GB2006583A (en) 1979-05-02
JPH0343839B2 (enrdf_load_stackoverflow) 1991-07-03
CA1100881A (en) 1981-05-12
GB2006583B (en) 1982-04-28

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Legal Events

Date Code Title Description
ST Notification of lapse