JPS56168448A - Digital signal transmitting system - Google Patents
Digital signal transmitting systemInfo
- Publication number
- JPS56168448A JPS56168448A JP7166080A JP7166080A JPS56168448A JP S56168448 A JPS56168448 A JP S56168448A JP 7166080 A JP7166080 A JP 7166080A JP 7166080 A JP7166080 A JP 7166080A JP S56168448 A JPS56168448 A JP S56168448A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- predicted
- bit
- digital signal
- shift
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/06—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
PURPOSE:To ensure compressing transmission and expanding reception for a digital signal having a reduced error of the predicted value of a predicted signal, by carrying out a bit shift when the predicted signal exceeds the level set previously. CONSTITUTION:An analog signal supplied through an input terminal 1 receives sampling period T through an A/D converter 2 and is quantized to be supplied to a shift register part 4 that functions as a bit selecting circuit in a signal predicting circuit 3. The part 4 has shift action in a prescribed direction by the output of a comparator 10 or 17 when the predicted signal exceeds the range of set reference level which is between the upper and lower limit reference 1 levels set previously. Then transmission is carried out to the receiving system with a bit compression.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7166080A JPS6053971B2 (en) | 1980-05-29 | 1980-05-29 | Digital signal transmission method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7166080A JPS6053971B2 (en) | 1980-05-29 | 1980-05-29 | Digital signal transmission method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56168448A true JPS56168448A (en) | 1981-12-24 |
JPS6053971B2 JPS6053971B2 (en) | 1985-11-28 |
Family
ID=13466975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7166080A Expired JPS6053971B2 (en) | 1980-05-29 | 1980-05-29 | Digital signal transmission method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6053971B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62118394A (en) * | 1985-11-19 | 1987-05-29 | 松下電器産業株式会社 | Electronic musical apparatus |
JPS62118393A (en) * | 1985-11-19 | 1987-05-29 | 松下電器産業株式会社 | Electronic musical apparatus |
-
1980
- 1980-05-29 JP JP7166080A patent/JPS6053971B2/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62118394A (en) * | 1985-11-19 | 1987-05-29 | 松下電器産業株式会社 | Electronic musical apparatus |
JPS62118393A (en) * | 1985-11-19 | 1987-05-29 | 松下電器産業株式会社 | Electronic musical apparatus |
JPH0782337B2 (en) * | 1985-11-19 | 1995-09-06 | 松下電器産業株式会社 | Electronic musical instrument |
JPH0782338B2 (en) * | 1985-11-19 | 1995-09-06 | 松下電器産業株式会社 | Electronic musical instrument |
Also Published As
Publication number | Publication date |
---|---|
JPS6053971B2 (en) | 1985-11-28 |
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