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Table 13 Phone boundary results for the female dataset

From: Free resources for forced phonetic alignment in Brazilian Portuguese based on Kaldi toolkit

TDNN-F model

Features

Cumulative tolerance

< 10 ms

< 25 ms

< 50 ms

< 100 ms

Chain

MFCCs + i-Vectors

33.09%

70.49%

92.37%

99.08%

Chain

MFCCs

32.24%

68.76%

91.84%

99.02%

Chain-free

MFCCs + i-Vectors

47.05%

83.46%

96.08%

99.36%

Chain-free

MFCCs

48.78%

85.30%

96.80%

99.64%