Table 5 STOI and SD for the three cascade algorithms using scenario 3
From: Cascade algorithms for combined acoustic feedback cancelation and noise reduction
SNR | Algorithm | STOI | Mean (SD) | Max (SD) |
|---|---|---|---|---|
10 dB | Rank-1 NR-AFC (oracle VAD) | 0.47 | 23.96 | 65.52 |
Rank-2 NR-AFC (oracle VAD) | 0.67 | 12.45 | 17.33 | |
Rank-2 NR-AFC (SPP) | 0.54 | 21.11 | 27.45 | |
AFC-NR | 0.51 | 15.71 | 27.27 | |
AFC-NR (SPP) | 0.48 | 21.84 | 33.02 | |
GSC-RLS | 0.38 | 77.45 | 126.66 | |
Microphone signal | 0.53 | 22.76 | 29.23 | |
5 dB | Rank-1 NR-AFC (oracle VAD) | 0.50 | 22.82 | 33.13 |
Rank-2 NR-AFC (oracle VAD) | 0.62 | 15.25 | 20.53 | |
Rank-2 NR-AFC (SPP) | 0.50 | 25.21 | 32.41 | |
AFC-NR (oracle VAD) | 0.48 | 18.44 | 31.85 | |
AFC-NR (SPP) | 0.45 | 25.66 | 38.25 | |
GSC-RLS | 0.34 | 84.53 | 134.66 | |
Microphone signal | 0.46 | 26.68 | 34.30 | |
0 dB | Rank-1 NR-AFC (oracle VAD) | 0.44 | 26.08 | 33.94 |
Rank-2 NR-AFC (oracle VAD) | 0.57 | 18.45 | 25.24 | |
Rank-2 NR-AFC (SPP) | 0.45 | 29.66 | 37.10 | |
AFC-NR (oracle VAD) | 0.43 | 21.98 | 35.88 | |
AFC-NR (SPP) | 0.42 | 29.66 | 42.95 | |
GSC-RLS | 0.30 | 83.13 | 136.12 | |
Microphone signal | 0.41 | 30.82 | 37.56 |