Variable length coded data processing method and device for performing the same method
US6154494A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 21, 1998 |
| Grant date | Nov 28, 2000 |
| Priority date | — |
| Expiry date | Apr 21, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/2662
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Among a first and second video data each being variable length coded data such that an occupancy of a decoder buffer is neither overflown nor underflown, having an end code at a rear end thereof and being comprised of a plurality of compressed portion data, a value related to a buffer occupancy at a decoding timing of the last picture of the first video data is compared by an invalid data amount calculator 13 with the buffer occupancy at the decoding timing of the first picture of the second video data. According to a data amount corresponding to a difference between the occupancies when the result of comparison is a predetermined one, the invalid data of this data amount is added by an invalid data adder 14 to the last picture of the first video data and the second video data is connected by a video data connector 15 to the first video data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.