Information record medium, apparatus for recording the same and apparatus for reproducing the same enabling easy access to information
US6108486A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 6, 1997 |
| Grant date | Aug 22, 2000 |
| Priority date | — |
| Expiry date | Mar 6, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/877
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An information record medium (1: DVD) has a record track (1a) to be reproduced by an information reproducing apparatus (S2). The information reproducing apparatus is provided with a read device (80), reproduces audio information while relatively moving the read device along the record track recorded with at least the audio information by a predetermined unit of audio frame and by a unit of frame group (GOF) consisting of consecutive audio frames in a predetermined number. A plurality of audio packets (43, 202) are arranged along the record track, in each of which audio information pieces (207) constructing the audio information sampled by a predetermined sampling frequency and audio control information (204, 205, 206) for controlling a reproduction and an access of the audio information pieces are respectively recorded.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.