Patent · US Active

Method and arrangement for providing a backwards compatible payload format

US10068581B2 · kind B2 · utility

0Cited by

10References

10Claims

0Family size

Assignee

Telefonaktiebolaget LM Ericsson (Publ) · SE

Inventors

Tomas Frankkila · Luleå, SE
Stefan Bruhn · Sollentuna, SE
Daniel Enström · Luleå, SE

Key dates

Filing date	Sep 23, 2016
Grant date	Sep 4, 2018
Priority date	—
Expiry date	Sep 23, 2036

Classification

Technology area (CPC H)Electricity
CPC primaryH04N21/8106
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

In a method of providing a backward and forward compatible speech codec payload format, performing the steps of providing a RTP package. Subsequently, including payload according to a first codec into the provided RTP package, and appending payload according to a second codec into the provided RTP package. In addition, locating at least one unused bit in the included first codec payload, and designating the located at least one unused bit as a codec compatibility bit. Finally, utilizing the designated at least one codec compatibility bit to provide an indication of the presence of the appended second codec payload.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.