Multimedia file storage and access method
US12210558B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 13, 2020 |
| Grant date | Jan 28, 2025 |
| Priority date | — |
| Expiry date | Apr 25, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/85406
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure describes techniques of storing and accessing multimedia files. The techniques comprise obtaining at least two multimedia files; performing format parsing for each of the at least two multimedia files separately to obtain audio encoding data, video encoding data, and container format data of each of the at least two multimedia files; storing the container format data of each of the at least two multimedia files separately, and storing one copy of the audio encoding data and video encoding data; and generating and storing index data comprising information of identifying encoding offset of the container format data, the audio encoding data, and the video encoding data in each of the at least two multimedia files, and comprising information indicative of storage address of the container format data, the audio encoding data, and the video encoding data of each of the at least two multimedia files.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.