AU624347B2 - Surround-sound system - Google Patents
Surround-sound system Download PDFInfo
- Publication number
- AU624347B2 AU624347B2 AU27769/89A AU2776989A AU624347B2 AU 624347 B2 AU624347 B2 AU 624347B2 AU 27769/89 A AU27769/89 A AU 27769/89A AU 2776989 A AU2776989 A AU 2776989A AU 624347 B2 AU624347 B2 AU 624347B2
- Authority
- AU
- Australia
- Prior art keywords
- sound
- surround
- room
- response
- channel
- 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
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14157088A | 1988-01-06 | 1988-01-06 | |
US141570 | 1988-01-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2776989A AU2776989A (en) | 1989-07-06 |
AU624347B2 true AU624347B2 (en) | 1992-06-11 |
Family
ID=22496259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU27769/89A Expired AU624347B2 (en) | 1988-01-06 | 1989-01-06 | Surround-sound system |
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)
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 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU6737687A (en) * | 1985-12-06 | 1987-06-30 | Sparkjaer, O. | A method and a circuit for decoding four-channel signals which are coded in a matrix and available in the form of a two-channel signal |
AU594939B2 (en) * | 1985-03-07 | 1990-03-22 | Dolby Laboratories Licensing Corporation | Variable matrix decoder |
AU595845B2 (en) * | 1985-11-22 | 1990-04-12 | Sony Corporation | Multi-channel stereo reproducing apparatus |
Family Cites Families (5)
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 |
-
1989
- 1989-01-03 AT AT89100047T patent/ATE120605T1/de not_active IP Right Cessation
- 1989-01-03 DE DE68921899T patent/DE68921899T2/de not_active Expired - Lifetime
- 1989-01-03 EP EP89100047A patent/EP0323830B1/de not_active Expired - Lifetime
- 1989-01-05 CA CA000587537A patent/CA1310919C/en not_active Expired - Lifetime
- 1989-01-05 JP JP64000825A patent/JP2727339B2/ja not_active Expired - Lifetime
- 1989-01-06 KR KR1019890000155A patent/KR890012501A/ko not_active Application Discontinuation
- 1989-01-06 AU AU27769/89A patent/AU624347B2/en not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU594939B2 (en) * | 1985-03-07 | 1990-03-22 | Dolby Laboratories Licensing Corporation | Variable matrix decoder |
AU595845B2 (en) * | 1985-11-22 | 1990-04-12 | Sony Corporation | Multi-channel stereo reproducing apparatus |
AU6737687A (en) * | 1985-12-06 | 1987-06-30 | Sparkjaer, O. | A method and a circuit for decoding four-channel signals which are coded in a matrix and available in the form of a two-channel signal |
Also Published As
Publication number | Publication date |
---|---|
ATE120605T1 (de) | 1995-04-15 |
KR890012501A (ko) | 1989-08-26 |
JP2727339B2 (ja) | 1998-03-11 |
JPH02141100A (ja) | 1990-05-30 |
EP0323830A3 (de) | 1991-07-24 |
EP0323830A2 (de) | 1989-07-12 |
CA1310919C (en) | 1992-12-01 |
EP0323830B1 (de) | 1995-03-29 |
DE68921899D1 (de) | 1995-05-04 |
AU2776989A (en) | 1989-07-06 |
DE68921899T2 (de) | 1995-09-21 |
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