Timeshrinking
From SpeechWiki
Fisher experiments
<math>\tau</math> | frames dropped |
---|---|
1 | 0% |
.9 | ~5% |
.6 | ~35% |
train <math>\tau</math> | test <math>\tau</math> | dev 2000 utt WER | dev 2000 utt on triphone single-gaussian model WER | comments |
---|---|---|---|---|
1 | 1 | 51.6% | old baseline | |
1 | 1 | 53.7% | 78.2% | baseline rerun exactly as timeshrinking to really make sure it's not getting an unfair advantage |
.6 | .6 | 69.3% | ||
.9 | .9 | 56.3% | 80.4% | |
1 | .9 | 53.9% | ||
.9 | .9 | 57.2 | 80.7% | using the non-timeshrinking str file for test |
.9 | 1 | 54.6 | ||
1 | 1 | TR | 72.8% | PLP+MLP tandem |
.9 | .9 | TR | 73.1% | PLP+MLP tandem |