Digital audio device
US7653206B2 · kind B2 · utility
0Cited by
28References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2002 |
| Grant date | Jan 26, 2010 |
| Priority date | — |
| Expiry date | Sep 13, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2005/91328
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A digital audio device. According to one aspect of the invention, the device includes a memory and an analog input system configured to record analog audio signals to the memory as digital audio data. The device further includes a digital input configured to download digital audio data to the memory, as well as an analog output system configured to generate analog playback signals decoded from digital audio data stored in the memory. Furthermore, the device includes a digital output configured to upload digital audio data from the memory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.