Well, you probably want to start with something simplier. The little code for LDA handling is located in sphinxbase/src/libsphinxbase/feat/lda.c. That code should be ported in Java and embedded into the frontend. Such transform will give you a significant accuracy improvment and will speedup the training of the model.
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No, this feature is not supported yet. We can help you with the implementation if you are interested. Also it would be nice to support LDA/MLLT as it was done in pocketsphinx.
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Is it possible to use adapted acoustic models (MLLR) in Sphinx 4? I haven't found any description on how to do this.
Yes, I would be very interested. Would it be much work?
Well, you probably want to start with something simplier. The little code for LDA handling is located in sphinxbase/src/libsphinxbase/feat/lda.c. That code should be ported in Java and embedded into the frontend. Such transform will give you a significant accuracy improvment and will speedup the training of the model.
Don't care about LDA, I've just committed the code to load it. It still has bugs though and doesn't work as expected.
No, this feature is not supported yet. We can help you with the implementation if you are interested. Also it would be nice to support LDA/MLLT as it was done in pocketsphinx.