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1git clone https://github.com/gafiatulin/vibevoice-mlx && cd vibevoice-mlx
2uv sync
3
4# Basic synthesis (weights download automatically)
5uv run vibevoice-mlx --model gafiatulin/vibevoice-7b-mlx --text "Hello, world!" --output hello.wav
6
7# Voice cloning with INT8 quantization
8uv run vibevoice-mlx --model gafiatulin/vibevoice-7b-mlx --quantize 8 \
9 --ref-audio speaker.wav --text "Clone this voice" --output cloned.wav| Config | RTF | Gen | Peak Mem |
|---|---|---|---|
| fp16 | 0.53x | 53.0s | 21.7 GB |
| int8 | 1.06x | 29.6s | 14.9 GB |
| int4 | 1.16x | 25.8s | 11.2 GB |
| int8, no-semantic | 1.24x | 23.3s | 13.6 GB |
| int4, no-semantic | 1.37x | 19.5s | 9.8 GB |