Table 1 List of open-source tools that perform forced phonetic alignment
From: Free resources for forced phonetic alignment in Brazilian Portuguese based on Kaldi toolkit
Tools | Ref. | Based on | Algorithm | License | BP | Allow train | Praat’s plugin | Active |
|---|---|---|---|---|---|---|---|---|
Aeneas | [13] | – | DTW-TTS | AGPL | No | No | No | \(\checkmark\) |
DSAlign | [14] | DeepSpeech | DNN | MPL | No | No | No | \(\checkmark\) |
EasyAlign | [1] | HTK | GMM | GPL | \(\checkmark\) | No | \(\checkmark\) | No |
FAVE-align | [15] | HTK | GMM | GPL | No | No | No | \(\checkmark\) |
Gentle | [16] | Kaldi | DNNÂ (nnet3) | MIT | No | No | No | \(\checkmark\) |
kaldi-dnn-ali-gop | [17] | Kaldi | GMM, DNNÂ (nnet3) | GPL | No | No | No | \(\checkmark\) |
LaBB-CAT | [18] | HTK | GMM | GPL | No | \(\checkmark\) | No | \(\checkmark\) |
MAUS | [19] | HTK | GMM | – | No | No | no | \(\checkmark\) |
MFA | [2] | Kaldi | GMM, DNNÂ (nnet2) | MIT | \(\checkmark\) | \(\checkmark\) | No | \(\checkmark\) |
P2FA | [20] | HTK | GMM | – | No | No | No | No |
Prosodylab-Aligner | [21] | HTK | GMM | MIT | No | \(\checkmark\) | No | \(\checkmark\) |
SailAlign | [22] | HTK | GMM | GPL | No | No | No | No |
SPPAS | [23] | Julius | GMM | GPL | No | \(\checkmark\) | No | \(\checkmark\) |
UFPAlign | HTK, Kaldi | GMM, DNN (nnet2, nnet3) | MIT | \(\checkmark\) | No | \(\checkmark\) | \(\checkmark\) |