Content for TS 46.032 Word version: 16.0.0
5 Functional description
6 Computational details
7 Digital test sequences
A -
B Test sequences
$ Change History
5 Functional description Word‑p. 7
5.1 Overview and principles of operation
5.2 Algorithm description
5.2.1 Adaptive filtering and energy computation Word‑p. 9
5.2.2 ACF averaging
5.2.3 Predictor values computation
5.2.4 Spectral comparison Word‑p. 10
5.2.5 Periodicity detection
5.2.6 Information tone detection Word‑p. 11
5.2.7 Threshold adaptation Word‑p. 12
5.2.8 VAD decision Word‑p. 15
5.2.9 VAD hangover addition
6 Computational details
6.1 Adaptive filtering and energy computation Word‑p. 17
6.2 ACF averaging Word‑p. 18
6.3 Predictor values computation
6.3.1 Schur recursion to compute reflection coefficients Word‑p. 19
6.3.2 Step-up procedure to obtain the aav1[0..8]
6.3.3 Computation of the rav1[0..8] Word‑p. 20
6.4 Spectral comparison
6.5 Periodicity detection Word‑p. 21
6.6 Threshold adaptation
6.7 VAD decision Word‑p. 23
6.8 VAD hangover addition
6.9 Periodicity updating Word‑p. 24
6.10 Tone detection
7 Digital test sequences Word‑p. 27
7.1 Test configuration
7.2 Test sequences Word‑p. 28
A - Word‑p. 29
A.1 Simplified block filtering operation
A.2 Description of digital test sequences
A.3 VAD performance Word‑p. 33
A.4 Pole frequency calculation Word‑p. 34
B (Normative) Test sequences Word‑p. 35
$ Change History Word‑p. 36
