Irodori-TTS Compare

Pick two Irodori-TTS v4.1 Small variants and hear the same sentence from each.

Variant What it is
Irodori-TTS-v4.1-Small the upstream model
Irodori-TTS-v4.1-Small-Yomi text-encoder fine-tune for kanji readings
Irodori-TTS-v4.1-Small-Yomi-Tech-tuned the Yomi weights plus a reading frontend stored in the model file. English and technical terms are rewritten to their katakana reading before synthesis; the Japanese text is untouched.

Both sides use the same text, seed, voice and settings.

Model A
Model B

Same seed on both sides. When the models or readings differ, timing differs too, so the voice can vary a little. Listen for the readings.

Kanji readings (Yomi)
English and technical terms (Tech)
Both, and plain Japanese

Model, code and evaluation: j-llm/Irodori-TTS-v4.1-Small-Yomi-Tech-tuned.