DE68921899D1 - Räumliches Schallwiedergabesystem. - Google Patents

Räumliches Schallwiedergabesystem.

Info

Publication number
DE68921899D1
DE68921899D1 DE68921899T DE68921899T DE68921899D1 DE 68921899 D1 DE68921899 D1 DE 68921899D1 DE 68921899 T DE68921899 T DE 68921899T DE 68921899 T DE68921899 T DE 68921899T DE 68921899 D1 DE68921899 D1 DE 68921899D1
Authority
DE
Germany
Prior art keywords
surround
sound
channel
loudspeakers
equalization
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 - Lifetime
Application number
DE68921899T
Other languages
English (en)
Other versions
DE68921899T2 (de
Inventor
Tomlinson Holman
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.)
LucasArts Entertainment Co
Original Assignee
LucasArts Entertainment Co
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 LucasArts Entertainment Co filed Critical LucasArts Entertainment Co
Application granted granted Critical
Publication of DE68921899D1 publication Critical patent/DE68921899D1/de
Publication of DE68921899T2 publication Critical patent/DE68921899T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/307—Frequency adjustment, e.g. tone control

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
  • Stereophonic System (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
DE68921899T 1988-01-06 1989-01-03 Räumliches Schallwiedergabesystem. Expired - Lifetime DE68921899T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14157088A 1988-01-06 1988-01-06

Publications (2)

Publication Number Publication Date
DE68921899D1 true DE68921899D1 (de) 1995-05-04
DE68921899T2 DE68921899T2 (de) 1995-09-21

Family

ID=22496259

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68921899T Expired - Lifetime DE68921899T2 (de) 1988-01-06 1989-01-03 Räumliches Schallwiedergabesystem.

Country Status (7)

Country Link
EP (1) EP0323830B1 (de)
JP (1) JP2727339B2 (de)
KR (1) KR890012501A (de)
AT (1) ATE120605T1 (de)
AU (1) AU624347B2 (de)
CA (1) CA1310919C (de)
DE (1) DE68921899T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5517393B2 (de) * 1972-07-26 1980-05-10
JPS5333601A (en) * 1976-09-10 1978-03-29 Pioneer Electronic Corp Stereophonic system
GB2006583B (en) * 1977-10-14 1982-04-28 Dolby Lab Licensing Corp Multi-channel sound systems
JPS5773600A (en) * 1980-10-24 1982-05-08 Pioneer Electronic Corp Stereophonic reproducing device
JPH0720309B2 (ja) * 1984-12-06 1995-03-06 松下電器産業株式会社 スピ−カ用音質調整装置
US4799260A (en) * 1985-03-07 1989-01-17 Dolby Laboratories Licensing Corporation Variable matrix decoder
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

Also Published As

Publication number Publication date
EP0323830B1 (de) 1995-03-29
DE68921899T2 (de) 1995-09-21
AU624347B2 (en) 1992-06-11
AU2776989A (en) 1989-07-06
EP0323830A2 (de) 1989-07-12
EP0323830A3 (de) 1991-07-24
CA1310919C (en) 1992-12-01
JP2727339B2 (ja) 1998-03-11
ATE120605T1 (de) 1995-04-15
KR890012501A (ko) 1989-08-26
JPH02141100A (ja) 1990-05-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition