Table 2 Experimental results by using simulated reverberant data
NN conf. | RIR | Frame sel. type | Speaker identification rate (%) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Left context only (L) | Left+right context (L+R) | Left+short right context (L+sR) | |||||||||||||||
Frame sel. | Training data | Frame sel. | Training data | Frame sel. | Training data | ||||||||||||
1u | 5u | 10u | 15u | 1u | 5u | 10u | 15u | 1u | 5u | 10u | 15u | ||||||
Multiple NNs | Office | Linear | 3-1-0 | 71.6 | 76.7 | 76.8 | 77.0 | – | – | – | – | – | – | – | – | – | – |
7-1-0 | 59.9 | 79.6 | 81.7 | 81.9 | 3-1-3 | 70.0 | 82.3 | 82.7 | 83.1 | – | – | – | – | – | |||
15-1-0 | 33.4 | 65.3 | 78.8 | 80.9 | 7-1-7 | 55.5 | 76.9 | 83.3 | 85.1 | 7-1-3 | 56.2 | 81.3 | 85.4 | 85.8 | |||
Skip1 | 3-1-0 | 74.4 | 79.5 | 79.4 | 80.1 | – | – | – | – | – | – | – | – | – | – | ||
7-1-0 | 57.1 | 81.3 | 82.4 | 84.0 | 3-1-3 | 69.2 | 83.8 | 85.8 | 86.1 | – | – | – | – | – | |||
– | – | – | – | – | 7-1-7 | 52.7 | 72.0 | 82.2 | 85.0 | 7-1-3 | 59.1 | 83.1 | 85.7 | 87.1 | |||
Livingroom | Linear | 3-1-0 | 60.1 | 69.6 | 70.6 | 70.8 | – | – | – | – | – | – | – | – | – | – | |
7-1-0 | 52.3 | 76.0 | 78.1 | 78.9 | 3-1-3 | 52.3 | 75.4 | 75.8 | 75.7 | – | – | – | – | – | |||
15-1-0 | 23.6 | 58.4 | 72.2 | 76.5 | 7-1-7 | 35.5 | 62.4 | 74.4 | 78.4 | 7-1-3 | 32.5 | 74.1 | 79.4 | 81.1 | |||
Skip1 | 3-1-0 | 63.2 | 74.0 | 74.1 | 74.5 | – | – | – | – | – | – | – | – | – | – | ||
7-1-0 | 39.8 | 75.5 | 78.8 | 79.7 | 3-1-3 | 52.4 | 77.8 | 79.5 | 79.1 | – | – | – | – | – | |||
– | – | – | – | – | 7-1-7 | 25.6 | 61.3 | 74.6 | 79.2 | 7-1-3 | 32.5 | 72.2 | 79.6 | 82.1 | |||
Single NN | Livingroom | Linear | 3-1-0 | 64.9 | 71.6 | 70.6 | 71.3 | – | – | – | – | – | – | – | – | – | – |
7-1-0 | 71.8 | 75.4 | 75.4 | 75.4 | 3-1-3 | 72.0 | 75.4 | 74.9 | 74.0 | – | – | – | – | – | |||
15-1-0 | 70.5 | 77.0 | 77.2 | 77.7 | 7-1-7 | 73.6 | 77.5 | 79.2 | 78.4 | 7-1-3 | 76.9 | 77.8 | 78.8 | 78.6 | |||
Skip1 | 3-1-0 | 71.1 | 73.4 | 74.3 | 74.4 | – | – | – | – | – | – | – | – | – | – | ||
7-1-0 | 72.6 | 75.9 | 76.1 | 76.2 | 3-1-3 | 73.7 | 76.2 | 76.2 | 77.0 | – | – | – | – | – | |||
– | – | – | – | – | 7-1-7 | 71.4 | 79.3 | 79.5 | 79.9 | 7-1-3 | 74.6 | 79.6 | 79.7 | 79.7 | |||