A while ago, I tried to compare the speed and accuracy of HTK and Sphinx 3 (and ISIP Prototype and Julius) with eachother. Because I had models for HTK and didn't want to have to create new models for Sphinx 3, I started working on an HTK to Sphinx 3 model converter.
I didn't have enough time to complete the comparison, but I did almost finish the converter. I say "almost", because although the converter can convert my models without problems and the Sphinx 3 accepts the models, I didn't have time to actually use the models to decode audio. This means that I don't know if there are any non-obvious bugs left in the conversion process and I don't know whether Sphinx 3 can achieve the same performance with converted HTK models as HTK can (i.e. whether the conversion process creates a loss in accuracy).
I won't be developing the converter anymore, but anyone who is interested may download, use and modify the converter for their uses. The converter can be found here: http://home.student.utwente.nl/w.j.maaskant/htk2s3conv/
Best regards,
Wout
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Hello,
A while ago, I tried to compare the speed and accuracy of HTK and Sphinx 3 (and ISIP Prototype and Julius) with eachother. Because I had models for HTK and didn't want to have to create new models for Sphinx 3, I started working on an HTK to Sphinx 3 model converter.
I didn't have enough time to complete the comparison, but I did almost finish the converter. I say "almost", because although the converter can convert my models without problems and the Sphinx 3 accepts the models, I didn't have time to actually use the models to decode audio. This means that I don't know if there are any non-obvious bugs left in the conversion process and I don't know whether Sphinx 3 can achieve the same performance with converted HTK models as HTK can (i.e. whether the conversion process creates a loss in accuracy).
I won't be developing the converter anymore, but anyone who is interested may download, use and modify the converter for their uses. The converter can be found here: http://home.student.utwente.nl/w.j.maaskant/htk2s3conv/
Best regards,
Wout
Great, thank you so much for making this freely available! Is it okay for us to put it into our Subversion repository?
I will try to run some tests with it either today or when I come back from vacation next week.
Yes, of course.
I should mention it's not a general converter; there are quite a few limitations (see README), but it can give you a nice start.
Wout