Stereo audio codec
US5589830A · kind A · utility
12Cited by
16References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 1994 |
| Grant date | Dec 31, 1996 |
| Priority date | — |
| Expiry date | Nov 2, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10H2250/611
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A stereo audio CODEC, including means for performing D/A and A/D conversions, means for reducing digitally induced noise during attenuation/gain changes, data format conversion means, analog and digital filtering means, analog mixing means, on-chip 16-sample, 32-bit wide record and playback FIFOs, serial interface with external serial DSP, large local memory for supplementing on-chip record and playback FIFOs, control registers, register data bus and synthesizer DAC.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.