When Your TTS Model Eats the Numbers
Text normalization is the invisible layer that turns written text into something a TTS model can actually speak: "1,234" becomes "one thousand two hundred thirty-four," "Dr." becomes "Doctor," and "2026" stops being a string of digits. It's also the layer this podcast doesn't have, which is why acronyms and numbers have been hand-patched for months. This episode walks through the vocabulary — text normalization for TTS, inverse text normalization and punctuation restoration for ASR — then digs into the documented failure modes of Chatterbox, the open-source TTS engine behind the show, whose…
The skinny
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