Content for TS 46.082 Word version: 18.0.0
3 Definitions, symbols and abbreviations
4 General
5 Functional description
6 Computational description overview
A Simplified block filtering operation
B Pole frequency calculation
$ Change History
3 Definitions, symbols and abbreviations p. 5
4 General p. 7
5 Functional description p. 7
5.1 Overview and principles of operation p. 7
5.2 Algorithm description p. 7
5.2.1 Adaptive filtering and energy computation p. 8
5.2.2 ACF averaging p. 9
5.2.3 Predictor values computation p. 9
5.2.4 Spectral comparison p. 10
5.2.5 Information tone detection p. 10
5.2.6 Threshold adaptation p. 11
5.2.7 VAD decision p. 12
5.2.8 VAD hangover addition p. 13
5.2.9 Periodicity detection p. 13
6 Computational description overview p. 14
6.1 VAD modules p. 14
6.2 Pseudo-floating point arithmetic p. 14
A Simplified block filtering operation p. 16
B Pole frequency calculation p. 17
$ Change History p. 18
