aoiandroid / vibevoice-1.5-coreml

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Total runs: 21
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Model's Last Updated: February 13 2026

Introduction of vibevoice-1.5-coreml

Model Details of vibevoice-1.5-coreml

VibeVoice 1.5 CoreML

VibeVoice 1.5B text-to-speech model converted to Apple CoreML format for on-device inference on macOS and iOS.

Model Components
Component File Description
Acoustic Encoder vibevoice_acoustic_encoder.mlpackage Encodes audio to acoustic latent (fixed input: 24000 samples @ 24kHz)
Acoustic Decoder vibevoice_acoustic_decoder.mlpackage Decodes acoustic latent to audio
Semantic Encoder vibevoice_semantic_encoder.mlpackage Encodes audio to semantic latent (fixed input: 24000 samples)
Acoustic Connector vibevoice_acoustic_connector.mlpackage Projects acoustic latent to LLM hidden space
Semantic Connector vibevoice_semantic_connector.mlpackage Projects semantic latent to LLM hidden space
LLM vibevoice_llm.mlpackage Qwen2-1.5B-based language model
Diffusion Head vibevoice_diffusion_head.mlpackage Single-step diffusion denoising
Requirements
  • Platform : macOS 14.0+ or iOS 17.0+
  • Framework : CoreML (Apple Silicon or Intel with Neural Engine recommended)
Usage
Swift (iOS/macOS)

Use VibeVoicePipeline.swift with a directory containing all .mlpackage files:

let modelDir = URL(fileURLWithPath: "/path/to/models")
let pipeline = try VibeVoicePipeline(modelDirectory: modelDir)
// Encode, run LLM, diffusion, decode...
Python (macOS only)

CoreML models require macOS to load and run:

python inference.py --models-dir ./models --text "Hello world"
Configuration
  • Audio : 24 kHz, 1 channel; encoder input fixed at 24000 samples (1 second). Trim or pad input before encoding.
  • Diffusion : 20 steps, cosine beta schedule, v_prediction.
  • LLM : 1536 hidden size, 28 layers (Qwen2-1.5B-based).

See vibevoice_config.json and vibevoice_pipeline_config.json for full settings.

Conversion Notes

Conversion was done with coremltools 9.0. Acoustic and semantic encoders use fixed-length (24000 samples) inputs; the LLM was exported via torch.export + custom op registration. See CONVERSION_RESULTS.md for details.

License

Refer to the original VibeVoice model license.

Runs of aoiandroid vibevoice-1.5-coreml on huggingface.co

21
Total runs
0
24-hour runs
-1
3-day runs
-8
7-day runs
13
30-day runs

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