Efficient length limiting of compression codes
US10694217B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2018 |
| Grant date | Jun 23, 2020 |
| Priority date | — |
| Expiry date | Sep 21, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/91
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A processing device includes compression circuitry to encode an input stream with an encoding that translates multiple symbols of fixed length into multiple codes of variable length between one and a maximum length, to generate a compressed stream. The compression circuitry is to: determine at least a first symbol of the multiple symbols having a first code that exceeds the maximum length; identify a short code of the multiple codes that is to be lengthened to provide an increased encoding capacity for the at least the first symbol; generate multiple code-length converted values including to increase the length of the short code to the maximum length and decrease, to the maximum length, a length of the first code of the at least the first symbol; and generate, with use of the set of code-length converted values, the compressed stream at the output terminal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.