Multiple variable rate audio message playback
US4757393A · kind A · utility
74Cited by
13References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 1985 |
| Grant date | Jul 12, 1988 |
| Priority date | — |
| Expiry date | Oct 2, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/65
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Method and apparatus for recording and playing back a plurality of digitally encoded audio messages along with associated video data. The messages are combined along with a plurality of corresponding audio message initial data address signals and recorded on a recording medium with the video data. In playback, the address and audio data signals are retrieved from the recording medium and stored. The address signals are utilized to access selectable messages for decoding and playback with selected video data. Codes can be included to control the decoding rate in accordance with the sample rate of the audio message data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.