from what I can tell, gnuspeech is fully synthesized speech. Siri, for example, uses a voice actor to say tens of thousands of utterances, and in order to gener

from what I can tell, gnuspeech is fully synthesized speech. Siri, for example, uses a voice actor to say tens of thousands of utterances, and in order to generate words/phrases that don't exist, they concatenates (more or less) segments from recorded phrases.