JPS5248002B2 - - Google Patents
Info
- Publication number
- JPS5248002B2 JPS5248002B2 JP48105172A JP10517273A JPS5248002B2 JP S5248002 B2 JPS5248002 B2 JP S5248002B2 JP 48105172 A JP48105172 A JP 48105172A JP 10517273 A JP10517273 A JP 10517273A JP S5248002 B2 JPS5248002 B2 JP S5248002B2
- Authority
- JP
- Japan
- 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
- 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 Physics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- General Physics & Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Acoustics & Sound (AREA)
- Algebra (AREA)
- Multimedia (AREA)
- Stereophonic System (AREA)
- Stereo-Broadcasting Methods (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48105172A JPS5248002B2 (enrdf_load_stackoverflow) | 1973-09-18 | 1973-09-18 | |
US427932A US3872249A (en) | 1973-09-18 | 1973-12-26 | Encoding method for converting multi-channel sound signals into 2-channel composite signals |
GB5986873A GB1397900A (en) | 1973-09-18 | 1973-12-27 | Encoding method for converting multichannel sound signals into 2-channel composite signals |
DE2364997A DE2364997C3 (de) | 1973-09-18 | 1973-12-28 | Verfahren zum Kodieren von vier Toneingangssignalen in zwei Kanalsignale |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48105172A JPS5248002B2 (enrdf_load_stackoverflow) | 1973-09-18 | 1973-09-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5057201A JPS5057201A (enrdf_load_stackoverflow) | 1975-05-19 |
JPS5248002B2 true JPS5248002B2 (enrdf_load_stackoverflow) | 1977-12-07 |
Family
ID=14400249
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP48105172A Expired JPS5248002B2 (enrdf_load_stackoverflow) | 1973-09-18 | 1973-09-18 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3872249A (enrdf_load_stackoverflow) |
JP (1) | JPS5248002B2 (enrdf_load_stackoverflow) |
DE (1) | DE2364997C3 (enrdf_load_stackoverflow) |
GB (1) | GB1397900A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6236730B1 (en) * | 1997-05-19 | 2001-05-22 | Qsound Labs, Inc. | Full sound enhancement using multi-input sound signals |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3745252A (en) * | 1971-02-03 | 1973-07-10 | Columbia Broadcasting Syst Inc | Matrixes and decoders for quadruphonic records |
US3787622A (en) * | 1971-02-05 | 1974-01-22 | Sansui Electric Co | Quadrasonic sound system for two channel transmission |
GB1402320A (en) * | 1971-10-25 | 1975-08-06 | Sansui Electric Co | Decoder for use in 4-2-4 matrix playback system |
-
1973
- 1973-09-18 JP JP48105172A patent/JPS5248002B2/ja not_active Expired
- 1973-12-26 US US427932A patent/US3872249A/en not_active Expired - Lifetime
- 1973-12-27 GB GB5986873A patent/GB1397900A/en not_active Expired
- 1973-12-28 DE DE2364997A patent/DE2364997C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5057201A (enrdf_load_stackoverflow) | 1975-05-19 |
US3872249A (en) | 1975-03-18 |
DE2364997C3 (de) | 1981-05-27 |
GB1397900A (en) | 1975-06-18 |
DE2364997A1 (de) | 1975-04-10 |
DE2364997B2 (de) | 1980-07-03 |