PowerBeef02/Qwen3-TTS-12Hz-1.7B-VoiceDesign-4bit

Vocello production artifact. Derived from mlx-community/Qwen3-TTS-12Hz-1.7B-VoiceDesign-4bit at revision 5c390979e4b93af5f2932f90742ca99c7dd04687 (itself an MLX conversion of the corresponding Qwen/Qwen3-TTS checkpoint), with one change: the 622 MB BF16 talker.model.text_embedding tensor is quantized to affine 8-bit (group size 64) by Vocello's pinned conversion tooling (scripts/convert_text_embedding_8bit.py, python-mlx 0.32.0). Every other tensor is byte-identical to the source revision.

Measured on the Vocello support floor (Mac mini M2 8 GB): about 278 MB less resident memory and 292 MB less download per Speed artifact at parity real-time factor, with clean deterministic audio QC. Measurement details live in the Vocello repository (benchmarks/OPTIMIZATION.md §N).

These files are consumed by Vocello's fail-closed model catalog, which pins this repository at an exact revision with per-file SHA-256 digests.

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Safetensors

Model size

0.4B params

Tensor type

BF16

U32

MLX

Hardware compatibility

4-bit

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mlx-community/Qwen3-TTS-12Hz-1.7B-VoiceDesign-4bit

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