JPS5346210A - Sectional dpcm system - Google Patents
Sectional dpcm systemInfo
- Publication number
- JPS5346210A JPS5346210A JP12155376A JP12155376A JPS5346210A JP S5346210 A JPS5346210 A JP S5346210A JP 12155376 A JP12155376 A JP 12155376A JP 12155376 A JP12155376 A JP 12155376A JP S5346210 A JPS5346210 A JP S5346210A
- Authority
- JP
- Japan
- Prior art keywords
- sectional
- dpcm system
- dpcm
- automate
- improve
- 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
Abstract
PURPOSE: To improve the signal-to-quantized noise ratio by using the scale factor and to reduce the audio memory of the telephone automatic response unit and further to automate the guide broadcast to the place having comparatively low noise level.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12155376A JPS5346210A (en) | 1976-10-08 | 1976-10-08 | Sectional dpcm system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12155376A JPS5346210A (en) | 1976-10-08 | 1976-10-08 | Sectional dpcm system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5346210A true JPS5346210A (en) | 1978-04-25 |
JPS623440B2 JPS623440B2 (en) | 1987-01-24 |
Family
ID=14814086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12155376A Granted JPS5346210A (en) | 1976-10-08 | 1976-10-08 | Sectional dpcm system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5346210A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55166337A (en) * | 1979-06-12 | 1980-12-25 | Nec Corp | Adaptive/predictive dpcm method and its device |
JPS62242994A (en) * | 1986-04-15 | 1987-10-23 | ヤマハ株式会社 | Musical tone signal generator |
JPS63148716A (en) * | 1986-12-12 | 1988-06-21 | Hitachi Ltd | Adpcm encoding system |
-
1976
- 1976-10-08 JP JP12155376A patent/JPS5346210A/en active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55166337A (en) * | 1979-06-12 | 1980-12-25 | Nec Corp | Adaptive/predictive dpcm method and its device |
JPS635926B2 (en) * | 1979-06-12 | 1988-02-05 | Nippon Electric Co | |
JPS62242994A (en) * | 1986-04-15 | 1987-10-23 | ヤマハ株式会社 | Musical tone signal generator |
JPS63148716A (en) * | 1986-12-12 | 1988-06-21 | Hitachi Ltd | Adpcm encoding system |
Also Published As
Publication number | Publication date |
---|---|
JPS623440B2 (en) | 1987-01-24 |
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