Table 4 Results for dithered MFCCs, the dithering value, and the corresponding error rate R/PER [%]
From: Advanced acoustic modelling techniques in MP3 speech recognition
Data | Baseline | LDA | SAT | SGMM | MMI |
|---|---|---|---|---|---|
128k | 2/18.9 | 2/17.1 | 4/13.1 | 4/10.7 | 4/8.0 |
32k | 8/20.1 | 4/17.8 | 4/13.4 | 4/11.1 | 2/8.6 |
28k | 8/21.6 | 4/18.6 | 8/13.9 | 8/11.5 | 8/9.1 |
24k | 16/30.1 | 2/26.2 | 8/15.8 | 8/13.1 | 8/10.9 |
20k | 16/34.7 | 8/30.0 | 8/17.7 | 8/14.8 | 8/12.8 |
16k | 32/41.2 | 32/35.9 | 16/21.3 | 8/17.9 | 8/16.4 |
12k | 64/49.9 | 64/45.5 | 16/29.0 | 16/24.2 | 16/23.0 |