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qwen3-tts: switch default to -CustomVoice variant; chatterbox: fix paralinguistic tag list in README

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qwen3-tts: deploy was using the -Base checkpoint, which sounds like
the right one ("supports voice cloning") but the upstream wrapper's
only synthesis path goes through generate_custom_voice. The -Base
variant doesn't expose that, so every request — including ones with
the wrapper's listed built-in voices like Ryan/Vivian — errored with
"does not support generate_custom_voice". The -CustomVoice variant
exposes both the cloning machinery and the preset voices, and is
what the wrapper actually needs.

The .env.example comments had the variant labels backward; fixed in
this commit. Live host already updated to -CustomVoice via direct
.env edit (model downloaded on container restart).

chatterbox README listed [whisper] and [breath] as supported tags —
those are in the base Chatterbox tag set but NOT in the Turbo set
that's actually loaded. Replaced with the canonical 9-tag list
verified against /api/model-info: laugh, chuckle, sigh, gasp, cough,
clear throat, sniff, groan, shush.
This commit is contained in:
vh
2026-04-27 21:54:13 -07:00
parent ad2b0e97aa
commit 9835fd47eb
2 changed files with 23 additions and 12 deletions
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stacks/qwen3-tts/.env.example
+15 -8
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@@ -26,15 +26,22 @@ QWEN3_TTS_BIND=0.0.0.0
QWEN3_TTS_BACKEND=official
# Model variant. Upstream publishes four checkpoints on HF:
# Qwen/Qwen3-TTS-12Hz-1.7B-Base — flagship, supports voice cloning
# Qwen/Qwen3-TTS-12Hz-1.7B-CustomVoice — flagship, preset voices only
# Qwen/Qwen3-TTS-12Hz-0.6B-Base — lightweight, supports voice cloning
# Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice — lightweight, preset voices only
# Qwen/Qwen3-TTS-12Hz-1.7B-CustomVoice — flagship, supports voice cloning + preset voices (RECOMMENDED)
# Qwen/Qwen3-TTS-12Hz-1.7B-Base — flagship, foundation only — REJECTS all synthesis through this wrapper
# Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice — lightweight cloning-capable variant
# Qwen/Qwen3-TTS-12Hz-0.6B-Base — lightweight foundation only
# 1.7B = ~6–8 GB VRAM bfloat16, best quality. 0.6B = ~2–3 GB.
# `voice="clone:<name>"` only works with the -Base variants — that's
# what the upstream wrapper enforces. Earlier versions of this file
# had the variant labels reversed; corrected 2026-04-24.
QWEN3_TTS_MODEL=Qwen/Qwen3-TTS-12Hz-1.7B-Base
#
# IMPORTANT: the wrapper's only synthesis code path goes through the
# voice cloning machinery. The -Base variants do NOT expose
# generate_custom_voice; they error with "does not support
# generate_custom_voice" on every request, no matter what voice you
# specify (built-ins like Ryan, Vivian etc. count as custom voices).
# Use -CustomVoice. The Base variant is foundation-model territory
# that needs a different harness to be useful.
# (This file had the labels backwards through 2026-04-27 — fixed
# after the 2026-04-27 voice-fleet bench surfaced the failure mode.)
QWEN3_TTS_MODEL=Qwen/Qwen3-TTS-12Hz-1.7B-CustomVoice
# Warm the model on container start so the first synthesis request
# doesn't pay the load latency. Adds ~30 s to startup. Recommended.