JPS57104400A - 4 channel stereo device - Google Patents
4 channel stereo deviceInfo
- Publication number
- JPS57104400A JPS57104400A JP55180728A JP18072880A JPS57104400A JP S57104400 A JPS57104400 A JP S57104400A JP 55180728 A JP55180728 A JP 55180728A JP 18072880 A JP18072880 A JP 18072880A JP S57104400 A JPS57104400 A JP S57104400A
- Authority
- JP
- Japan
- Prior art keywords
- channel stereo
- circuits
- signals
- outputs
- subtraction
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/86—Arrangements characterised by the broadcast information itself
- H04H20/88—Stereophonic broadcast systems
- H04H20/89—Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Mathematical Analysis (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Acoustics & Sound (AREA)
- Stereophonic System (AREA)
- Stereo-Broadcasting Methods (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55180728A JPS57104400A (en) | 1980-12-19 | 1980-12-19 | 4 channel stereo device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55180728A JPS57104400A (en) | 1980-12-19 | 1980-12-19 | 4 channel stereo device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57104400A true JPS57104400A (en) | 1982-06-29 |
Family
ID=16088259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55180728A Pending JPS57104400A (en) | 1980-12-19 | 1980-12-19 | 4 channel stereo device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57104400A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07212898A (ja) * | 1993-11-18 | 1995-08-11 | Samsung Electron Co Ltd | 音声再生装置 |
US5862228A (en) * | 1997-02-21 | 1999-01-19 | Dolby Laboratories Licensing Corporation | Audio matrix encoding |
US6449368B1 (en) | 1997-03-14 | 2002-09-10 | Dolby Laboratories Licensing Corporation | Multidirectional audio decoding |
-
1980
- 1980-12-19 JP JP55180728A patent/JPS57104400A/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07212898A (ja) * | 1993-11-18 | 1995-08-11 | Samsung Electron Co Ltd | 音声再生装置 |
US5862228A (en) * | 1997-02-21 | 1999-01-19 | Dolby Laboratories Licensing Corporation | Audio matrix encoding |
US6449368B1 (en) | 1997-03-14 | 2002-09-10 | Dolby Laboratories Licensing Corporation | Multidirectional audio decoding |
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