JPH0343839B2 - - Google Patents

Info

Publication number: JPH0343839B2
Authority: JP; Japan
Prior art keywords: audio channel; channel; sound; decoder; ambient
Prior art date: 1977-10-14
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 - Lifetime

Application number

JP53125215A

Other languages

English (en)

Japanese (ja)

Other versions

JPS5462801A (en

Inventor

Robaato Aren Iwaan

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.)

1977-10-14

Filing date

1978-10-13

Publication date

1991-07-03

1978-10-13 Application filed by Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp

1979-05-21 Publication of JPS5462801A publication Critical patent/JPS5462801A/ja

1991-07-03 Publication of JPH0343839B2 publication Critical patent/JPH0343839B2/ja

Status Granted legal-status Critical Current

Links

239000011159 matrix material Substances 0.000 claims description 11
230000000295 complement effect Effects 0.000 claims description 3
230000007613 environmental effect Effects 0.000 description 47
230000000694 effects Effects 0.000 description 15
230000003287 optical effect Effects 0.000 description 11
230000001934 delay Effects 0.000 description 4
230000003111 delayed effect Effects 0.000 description 3
210000005069 ears Anatomy 0.000 description 3
238000000034 method Methods 0.000 description 3
230000007423 decrease Effects 0.000 description 2
238000010586 diagram Methods 0.000 description 2
230000009977 dual effect Effects 0.000 description 2
230000004807 localization Effects 0.000 description 2
230000001052 transient effect Effects 0.000 description 2
101000860173 Myxococcus xanthus C-factor Proteins 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
230000002146 bilateral effect Effects 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
230000006866 deterioration Effects 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
230000000873 masking effect Effects 0.000 description 1
230000008447 perception Effects 0.000 description 1
230000008929 regeneration Effects 0.000 description 1
238000011069 regeneration method Methods 0.000 description 1
230000005236 sound signal Effects 0.000 description 1

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)
Mathematical Physics (AREA)
General Physics & Mathematics (AREA)
Mathematical Analysis (AREA)
Mathematical Optimization (AREA)
Algebra (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)

JP12521578A 1977-10-14 1978-10-13 Audio system device and format Granted JPS5462801A (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
JPS5462801A JPS5462801A (en)	1979-05-21
JPH0343839B2 true JPH0343839B2 (ko)	1991-07-03

Family

ID=25286397

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP12521578A Granted JPS5462801A (en)	1977-10-14	1978-10-13	Audio system device and format

Country Status (4)

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

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
DE68921899T2 (de) *	1988-01-06	1995-09-21	Lucasarts Entertainment Co	Räumliches Schallwiedergabesystem.
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 (es)	1999-06-15	2002-10-02	He Chunhong	Audifono y equipo auxiliar interactivo con relacion de voz a audio remanente
MX2015014065A (es)	2013-04-05	2016-11-25	Thomson Licensing	Metodo para manejar campo reverberante para audio inmersivo.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4937601A (ko) *	1972-08-07	1974-04-08
JPS51108802A (ko) *	1974-12-16	1976-09-27	Moozurii Jon

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1522135A (en) *	1974-08-29	1978-08-23	Dolby Laboratories Inc	Stereophonic sound system

1978
- 1978-10-10 GB GB7839937A patent/GB2006583B/en not_active Expired
- 1978-10-13 JP JP12521578A patent/JPS5462801A/ja active Granted
- 1978-10-13 CA CA313,336A patent/CA1100881A/en not_active Expired
- 1978-10-16 FR FR7829397A patent/FR2406368A1/fr active Granted

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4937601A (ko) *	1972-08-07	1974-04-08
JPS51108802A (ko) *	1974-12-16	1976-09-27	Moozurii Jon

Also Published As

Publication number	Publication date
CA1100881A (en)	1981-05-12
FR2406368A1 (fr)	1979-05-11
GB2006583A (en)	1979-05-02
FR2406368B1 (ko)	1983-08-12
GB2006583B (en)	1982-04-28
JPS5462801A (en)	1979-05-21

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