Table 3 Results for dithered PLPs, the dithering value, and the corresponding error rate R/PER [%]
From: Advanced acoustic modelling techniques in MP3 speech recognition
Bit-rate | Baseline | LDA | SAT | SGMM | MMI |
|---|---|---|---|---|---|
128 | 2/18.7 | 2/17.0 | 4/13.2 | 4/10.7 | 4/ 7.9 |
32k | 4/19.1 | 2/17.3 | 2/13.2 | 2/11.0 | 2/8.2 |
28k | 4/19.4 | 4/17.7 | 4/13.5 | 4/11.2 | 4/8.6 |
24k | 2/20.8 | 2/18.8 | 4/14.2 | 2/11.8 | 2/9.3 |
20k | 4/23.5 | 2/21.0 | 4/15.6 | 2/12.9 | 2/10.5 |
16k | 16/32.0 | 8/27.9 | 8/18.5 | 4/15.4 | 2/13.4 |
12k | 32/44.7 | 32/39.4 | 16/24.9 | 8/21.2 | 4/19.8 |