A.0 General

26.4453GPPCodec for Enhanced Voice Services (EVS)Detailed algorithmic descriptionRelease 15TS

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

This Annex describes a generic RTP payload format and SDP parameters for the EVS codec. The EVS RTP payload format consists of the RTP header, the EVS payload header, and the EVS payload data.

The byte order used in this specification is the network byte order, i.e., the most significant byte is transmitted first. The bit order is most significant bit first. This practice is presented in all figures as having the most significant bit located left-most on each line and indicated with the lowest number.