JPS6416040A - Data transmission system - Google Patents
Data transmission systemInfo
- Publication number
- JPS6416040A JPS6416040A JP16986887A JP16986887A JPS6416040A JP S6416040 A JPS6416040 A JP S6416040A JP 16986887 A JP16986887 A JP 16986887A JP 16986887 A JP16986887 A JP 16986887A JP S6416040 A JPS6416040 A JP S6416040A
- Authority
- JP
- Japan
- Prior art keywords
- data
- section
- code compression
- compression method
- coding
- 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
Landscapes
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Time-Division Multiplex Systems (AREA)
Abstract
PURPOSE:To obtain optimum transmission efficiency at all times by transmitting each data subjected to coding and compression, and the data coding and compressing method. CONSTITUTION:A data quantity comparison section 10 measures the digital data quantity generated from A/D converters 5, 8 and obtains its ratio, and a code compression method deciding section 11 decides the code compression method of voice data and picture data at every time period of the synchronizing signal of a synchronizing signal generating section 14 based on the result of acoustic processing from an acoustic processing section 4 and the information from the section 10. A data synthesis section 12 collects the data of code compression section 6 for voice data and the code compression section 9 for picture data, addes a label representing the code compression method to generate a data block. Thus, the voice data in which real time transmission is dispensable and no so much tight specification exists and the picture data not requiring real time transmission but requesting uniform quality are sent simultaneously efficiently.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16986887A JPS6416040A (en) | 1987-07-09 | 1987-07-09 | Data transmission system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16986887A JPS6416040A (en) | 1987-07-09 | 1987-07-09 | Data transmission system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6416040A true JPS6416040A (en) | 1989-01-19 |
Family
ID=15894437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16986887A Pending JPS6416040A (en) | 1987-07-09 | 1987-07-09 | Data transmission system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6416040A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2523995B2 (en) * | 1989-03-16 | 1996-08-14 | 富士通株式会社 | Video / audio multiplex transmission system |
US6928060B1 (en) | 1998-03-27 | 2005-08-09 | Yamaha Corporation | Audio data communication |
JP2010156631A (en) * | 2008-12-29 | 2010-07-15 | Seiko Epson Corp | Satellite orbit data compressing method, satellite orbit data providing method, satellite orbit data decompressing method, and data compressing device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55136741A (en) * | 1979-04-12 | 1980-10-24 | Nec Corp | Simultaneous transmission method for audio and data and its unit |
JPS61198941A (en) * | 1985-02-28 | 1986-09-03 | Fujitsu Ltd | Transfer speed variable type voice data multiplex system |
JPS6256038A (en) * | 1985-09-04 | 1987-03-11 | Fujitsu Ltd | Multi-medium transmission system |
-
1987
- 1987-07-09 JP JP16986887A patent/JPS6416040A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55136741A (en) * | 1979-04-12 | 1980-10-24 | Nec Corp | Simultaneous transmission method for audio and data and its unit |
JPS61198941A (en) * | 1985-02-28 | 1986-09-03 | Fujitsu Ltd | Transfer speed variable type voice data multiplex system |
JPS6256038A (en) * | 1985-09-04 | 1987-03-11 | Fujitsu Ltd | Multi-medium transmission system |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2523995B2 (en) * | 1989-03-16 | 1996-08-14 | 富士通株式会社 | Video / audio multiplex transmission system |
US6928060B1 (en) | 1998-03-27 | 2005-08-09 | Yamaha Corporation | Audio data communication |
JP2010156631A (en) * | 2008-12-29 | 2010-07-15 | Seiko Epson Corp | Satellite orbit data compressing method, satellite orbit data providing method, satellite orbit data decompressing method, and data compressing device |
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