Fact · Speech recognition
The 2017 Montreal Forced Aligner paper says the aligner uses Kaldi instead of HTK, so that it can be distributed as a stand-alone package.
Checked against its source on October 17, 2026
In the source's own words
“MFA uses Kaldi instead of HTK, allowing MFA to be distributed as a stand-alone package”
Montreal Forced Aligner: Trainable Text-Speech Alignment Using Kaldi, Michael McAuliffe et al., Proceedings of Interspeech 2017, 2017, Abstract.
Open the original (DOI 10.21437/Interspeech.2017-1386)- What it measures
- The Montreal Forced Aligner aligns a transcript to recorded speech, so it is a tool that depends on a recognizer toolkit rather than a dictation product.
- What it does not show
- The paper describes the aligner as built in 2017. Later versions may use different components.