> I want to know how to implement a real time TTS system that can deal with
> unseen models. I trained a set of models and converted to HTS-engine format
> so that it can easier to synthesize the arbitrary input sentence. But I
> don't know how this could deal with unseen models. Unseen models always
> exist for a given set of models. If you want to perform HHEd to make the
> unseen model to deal with it and then convert it to HTS-engine format, it
> could the very slow for a real time TTS system because HHEd takes a lot of
> time. Is there any effective way to deal with unseen models?