Festival’s unilex-rpx phone list missing Q and Q_cl?

[Nikka L]

It seems these two phones are missing from the unilex-rpx phone list at the path listed in step 8.1 of the unitsel exercise. Is it fine to just manually add these two phones back before doing alignment?

[Simon]

Read this topic.

The Q label is the glottal stop (usually written as ? but mapped to Q for HTK purposes). It never occurs in the dictionary, but can be predicted by the letter-to-sound (LTS) model.

Don’t add it to the phone set. Instead, find out which word is causing LTS to generate a pronunciation involving ? and then add an entry for that word to my_lexicon.scm that does not use ?.

[Author]

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