Direct digital to digital sampling rate conversion, method and apparatus
US4460890A · kind A · utility
50Cited by
1References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 21, 1982 |
| Grant date | Jul 17, 1984 |
| Priority date | — |
| Expiry date | Jan 21, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H17/0621
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A direct digital-to-digital rate conversion apparatus and method for converting an input signal at a first sampling rate to an output signal at a second sampling rate, said apparatus has a rate multiplier means to increase the frequency of the input signal. The multiplied signals from the rate multiplied means are interpolated using a nth order n-polynomial interpolator to produce the output signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.