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Revert VOX preset to the NetTTS approximation

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The tuned values (pitch 0, rate 15, head size 34, lowering 50) matched
the reference metrics better but sound far off the game voice, so restore
the published NetTTS approximation: pitch 3, rate 17, prominences 22,
head size 52, lowering 40, volume 70. Also revert the test expectations,
the published default metadata, and the tuning notes in the docs; keep
tools/vox_compare.py for future experiments.
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Fisto
2026-09-22 19:56:22 +02:00
parent de4631fe54
commit c6b5fb71e8
5 changed files with 29 additions and 74 deletions
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README.md
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@@ -93,11 +93,9 @@ A short low-level leading hum (80 ms, 75 Hz, -48 dBFS) primes Discord's audio pi
so the first word is not gated; tune with `VESKSLOP_TTS_HUM_MS` (0 = off),
`VESKSLOP_TTS_HUM_HZ`, and `VESKSLOP_TTS_HUM_DB`.
**Half-Life presets** (Keith Bell): `VESKSLOP_TTS_PRESET=vox` applies the Valve VOX
profile (pitch 0, rate 15, head size 34, lowering 50) and enables VOX prosody;
`VESKSLOP_TTS_PRESET=hev` is a starting point for the HEV suit voice. The `vox` and `hev`
voice IDs select these directly. The VOX values were
tuned against the game's word assets with `tools/vox_compare.py`; details in
**Half-Life presets** (Keith Bell): `VESKSLOP_TTS_PRESET=vox` applies the approximated
Valve VOX profile and enables VOX prosody; `VESKSLOP_TTS_PRESET=hev` is a starting point
for the HEV suit voice. The `vox` and `hev` voice IDs select these directly. Values are in
`docs/TTS-DESIGN.md`.
`VESKSLOP_TTS_CRUNCH` (`hl90`, `hl90hq`, `telephone`, `adpcm`, `crush`) adds 1990s lossy