Prediction differential pulse code modulation system with adaptive compounding
US3973199A · kind A · utility
27Cited by
6References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 29, 1974 |
| Grant date | Aug 3, 1976 |
| Priority date | — |
| Expiry date | Aug 29, 1994 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M3/042
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
The adaptive differential PCM transmission system uses a first-order prediction and a simple quantizing step-wise adaptation to improve signal-to-quantizing noise ratio.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.