Muting circuit in a digital audio system
US5063597A · kind A · utility
10Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 18, 1989 |
| Grant date | Nov 5, 1991 |
| Priority date | — |
| Expiry date | Aug 18, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03G3/348
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A muting circuit in a digital audio system having a digital signal processor, a first latch, a second latch, a comparator for comparing data in the first and second latches, an address encoder, a counter, a memory, a divider, a multiplier and a switching circuit, wherein disturbing beat noises generated during the turning off of power to the system or generated null data pop noises generated in response to external influences or internal circuitry influences are muted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.