Adaptive control system for media encoder using accumulation parameter
US10834403B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 14, 2018 |
| Grant date | Nov 10, 2020 |
| Priority date | — |
| Expiry date | Aug 14, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/89
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A data processing system for calibrating a media codec comprising a sequence of time-stamped frames and comprising: an encoder subsystem configured to perform encoding in accordance with one or more encode parameters; a decoder subsystem; and a calibration system comprising: a data store for storing an encoded media stream; and a calibration monitor configured to, on the media codec entering a calibration mode, cause: the decoder subsystem to decode the encoded media stream so as to generate a decoded media stream; the encoder subsystem to re-encode said decoded media stream; and the re-encoded media stream to pass back into the decoder subsystem; the calibration monitor being configured to, through variation of the encode parameters of the encoder subsystem, identify maximal encode parameters corresponding to the greatest steady-state demand on the media codec that permits decoding of the sequence of time-stamped frames at a rate in accordance with their associated timestamps.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.