19 Nov
1999
Sphinx
Speech Group, CMU-SCS (rkm@cs.cmu.edu)
Sphinx-3.2 Performance (contd.)
·Effect
of absolute pruning parameters (1998 BN):
·(Per
frame) computation stats for each utterance
·Distribution
of stats over entire test set (375 utts)
·Absolute
pruning highly effective in controlling variance in computational
cost
--
--
100
--
100
50
30
--
20K
20K
10K
10K
10K
10K
11.2K
10.0K
10.0K
8.1K
8.1K
8.1K
8.1K
46.3K
29.1K
29.1K
17.1K
17.1K
17.1K
17.3K
5.5K
3.8K
3.8K
2.2K
2.2K
2.2K
2.2K
53
53
41
53
41
30
21
220
220
90
216
90
47
29
24.6
24.5
12.3
24.4
12.4
5.8
2.9
3.2
3.2
3.4
3.4
2.7
2.9
2.7
33.5
31.5
21.4
31.6
13.7
11.6
9.7
2.7
2.6
2.2
2.6
1.4
1.3
1.1
hmm/f
bp/f
Mean Max StDev.
Mean Max StDev.
Mean
Max StDev.
Active HMM/fr
BPtbl entries/fr
Srch. xRT