Table 4 Absolute sentence level CER for all the investigated window functions. Prominent results are highlighted and are also referred in Fig. 4b, c
Group | Window | Minimum loss CER | Last epoch CER |
|---|---|---|---|
Group1-A (fixed) | Hamming | 0.0512 | 0.0123 |
Hann | 0.0455 | 0.0123 | |
Blackman | 0.0253 | 0.0101 | |
Nuttall | 0.0209 | 0.0130 | |
Blackman-Harris | 0.0361 | 0.0130 | |
Flattop | 0.0577 | 0.0058 | |
Group1-B (trainable) | Cosine-Sum (K=1) | 0.0354 | 0.0130 |
Cosine-Sum (K=2) | 0.0339 | 0.0087 | |
Cosine-Sum (K=3) | 0.0310 | 0.0072 | |
Cosine-Sum (K=4) | 0.0310 | 0.0079 | |
Cosine-Sum (K=5) | 0.0152 | 0.0079 | |
Cosine-Sum (K=6) | 0.0238 | 0.0072 | |
Cosine-Sum (K=7) | 0.0505 | 0.0087 | |
Cosine-Sum (K=8) | 0.0188 | 0.0072 | |
Cosine-Sum (K=9) | 0.0253 | 0.0022 | |
Group2 (trainable) | Chebwin | 0.0440 | 0.0130 |
Exponential | 0.4004 | 0.1277 | |
Gaussian | 0.0426 | 0.0072 | |
Kaiser | 0.0527 | 0.0130 | |
Slepian | 0.0577 | 0.0130 | |
Taylor (nbar=1) | 0.0657 | 0.0123 | |
Taylor (nbar=5) | 0.0599 | 0.0159 | |
Taylor (nbar=10) | 0.0952 | 0.0267 | |
Taylor (nbar=20) | 0.1544 | 0.0498 | |
Tukey | 0.0599 | 0.0144 | |
Group3 (fixed) | Bartlett-Hann | 0.0375 | 0.0115 |
Rectangular | 0.0447 | 0.0115 | |
Welch | 0.0455 | 0.0144 | |
Bohman | 0.0332 | 0.0065 | |
Traingular | 0.0260 | 0.0108 | |
Bartlett | 0.0202 | 0.0115 | |
Parzen | 0.0382 | 0.0072 |