3 Definitions and abbreviations

26.4433GPPANSI C code (floating-point)Codec for Enhanced Voice Services (EVS)Release 17TS

3.1 Definitions

For the purposes of the present document, the definitions given in TR 21.905 [1] apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905 [1].

3.2 Abbreviations

For the purposes of the present document, the abbreviations given in TR 21.905 [1] and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905 [1].

ACELP Algebraic Code-Excited Linear Prediction

AMR-WB Adaptive Multi Rate Wideband (codec)

CNG Comfort Noise Generator

DTX Discontinuous Transmission

EVS Enhanced Voice Services

FB Fullband

FEC Frame Erasure Concealment

IP Internet Protocol

JBM Jitter Buffer Management

MSB Most Significant Bit

MTSI Multimedia Telephony Service for IMS

NB Narrowband

PS Packet Switched

PSTN Public Switched Telephone Network

SAD Sound Activity Detection

SC-VBR Source Controlled – Variable Bit Rate

SID Silence Insertion Descriptor

SWB Super Wideband

VAD Voice Activity Detection

WB Wideband

WMOPS Weighted Millions of Operations Per Second