this post was submitted on 21 Dec 2023
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AI Generated Images

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[–] Mechanite@lemmy.world 2 points 11 months ago (1 children)

Is TTS voice replication much better self hosted than it was about half a year ago? Last time I tried it didn't sound like the person I had samples of, instead I had to use elevenlabs to get close to sounding right

[–] tal@lemmy.today 2 points 11 months ago* (last edited 11 months ago)

I mean, that's a subjective question. I think it's decent. Here's some samples:

https://nonint.com/static/tortoise_v2_examples.html

Last time I was running it, Tortoise TTS didn't have a way to directly annotate voice with intonation or emotional stuff. The best you can do is pulling tricks like using a feature that lets you add some words to a sentence that aren't actually spoken to affect the emotional impact of the words that are (e.g. sad words to make the spoken words be spoken in a sad voice).

Imagine the difference between someone saying gloatingly "none of you will survive" and someone saying it in an agonized voice.

I do wonder a bit whether it'd be possible to train it on a corpus that's been automatically annotated with output from software that does sentiment analysis on text, and then generate keywords that one could use to alter the sound of sentences. I don't think that this is so much a fundamental limitation of the software as it is limitations in the training set.