Method for recording a digital audio signal on a motion picture film and a motion picture film having digital soundtracks
US5471263A · kind A · utility
31Cited by
5References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 8, 1992 |
| Grant date | Nov 28, 1995 |
| Priority date | — |
| Expiry date | Oct 8, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/802
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Digital audio signals and a conventional audio track are recorded on a motion picture film by error correction encoding digital audio data to be recorded on the film, sequentially arranging the error encoded digital audio data in a direction perpendicular to the direction of advancement of the film by utilizing two areas or more of an area in the vicinity of one end of the film which is parallel with the other end of the film and which is laid between it and one end portion of an analog sound track or an area near the other end of the analog sound track, and recording the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.