GB2224185B - Device for coding and decoding sound broadcast signals - Google Patents
Device for coding and decoding sound broadcast signalsInfo
- Publication number
- GB2224185B GB2224185B GB8909349A GB8909349A GB2224185B GB 2224185 B GB2224185 B GB 2224185B GB 8909349 A GB8909349 A GB 8909349A GB 8909349 A GB8909349 A GB 8909349A GB 2224185 B GB2224185 B GB 2224185B
- Authority
- GB
- United Kingdom
- Prior art keywords
- coding
- broadcast signals
- sound broadcast
- decoding sound
- decoding
- 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 - Fee Related
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
- H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/SU1987/000095 WO1989002195A1 (en) | 1987-08-26 | 1987-08-26 | Device for coding and decoding sound broadcast signals |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8909349D0 GB8909349D0 (en) | 1989-12-06 |
GB2224185A GB2224185A (en) | 1990-04-25 |
GB2224185B true GB2224185B (en) | 1991-05-08 |
Family
ID=21617134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8909349A Expired - Fee Related GB2224185B (en) | 1987-08-26 | 1987-08-26 | Device for coding and decoding sound broadcast signals |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPH02501180A (fi) |
DE (1) | DE3791003T1 (fi) |
DK (1) | DK199189A (fi) |
FI (1) | FI891965A (fi) |
FR (1) | FR2639779A1 (fi) |
GB (1) | GB2224185B (fi) |
NL (1) | NL8720747A (fi) |
WO (1) | WO1989002195A1 (fi) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL9100173A (nl) * | 1991-02-01 | 1992-09-01 | Philips Nv | Subbandkodeerinrichting, en een zender voorzien van de kodeerinrichting. |
US5278909A (en) * | 1992-06-08 | 1994-01-11 | International Business Machines Corporation | System and method for stereo digital audio compression with co-channel steering |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1430195A (en) * | 1972-03-07 | 1976-03-31 | Tokyo Shibaura Electric Co | Four-channel stereophonic sound reproducing system |
US4301331A (en) * | 1977-02-22 | 1981-11-17 | Yurek John J | Composite limiting sum and difference circuitry for extending the reception area of a frequency modulated stereo radio transmitter |
US4512031A (en) * | 1981-09-08 | 1985-04-16 | U.S. Philips Corporation | Arrangement for receiving TV-signals having left and right stereo sound signals |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3102822C2 (de) * | 1981-01-28 | 1984-02-16 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur frequenzbandkomprimierten Sprachübertragung |
DE3138523A1 (de) * | 1981-09-28 | 1983-04-07 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur abhoersicheren frequenzbandkomprimierten uebertragung von sprachsignalen |
DE3639753A1 (de) * | 1986-11-21 | 1988-06-01 | Inst Rundfunktechnik Gmbh | Verfahren zum uebertragen digitalisierter tonsignale |
GB8628046D0 (en) * | 1986-11-24 | 1986-12-31 | British Telecomm | Transmission system |
-
1987
- 1987-08-26 JP JP88501319A patent/JPH02501180A/ja active Pending
- 1987-08-26 NL NL8720747A patent/NL8720747A/nl not_active Application Discontinuation
- 1987-08-26 DE DE19873791003 patent/DE3791003T1/de not_active Withdrawn
- 1987-08-26 GB GB8909349A patent/GB2224185B/en not_active Expired - Fee Related
- 1987-08-26 WO PCT/SU1987/000095 patent/WO1989002195A1/ru active Application Filing
-
1988
- 1988-11-25 FR FR8815469A patent/FR2639779A1/fr not_active Withdrawn
-
1989
- 1989-04-25 DK DK199189A patent/DK199189A/da not_active Application Discontinuation
- 1989-04-25 FI FI891965A patent/FI891965A/fi not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1430195A (en) * | 1972-03-07 | 1976-03-31 | Tokyo Shibaura Electric Co | Four-channel stereophonic sound reproducing system |
US4301331A (en) * | 1977-02-22 | 1981-11-17 | Yurek John J | Composite limiting sum and difference circuitry for extending the reception area of a frequency modulated stereo radio transmitter |
US4512031A (en) * | 1981-09-08 | 1985-04-16 | U.S. Philips Corporation | Arrangement for receiving TV-signals having left and right stereo sound signals |
Also Published As
Publication number | Publication date |
---|---|
GB8909349D0 (en) | 1989-12-06 |
WO1989002195A1 (en) | 1989-03-09 |
FI891965A0 (fi) | 1989-04-25 |
FI891965A (fi) | 1989-04-25 |
GB2224185A (en) | 1990-04-25 |
DK199189D0 (da) | 1989-04-25 |
DE3791003T1 (de) | 1989-10-19 |
JPH02501180A (ja) | 1990-04-19 |
NL8720747A (nl) | 1989-07-03 |
FR2639779A1 (fr) | 1990-06-01 |
DK199189A (da) | 1989-06-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19920826 |