MaiAphrodite/piper-tts-webgpu

Piper TTS WebGPU-Compatible Model

This is a patched version of the Piper TTS en_US-hfc_female-medium voice model, modified for WebGPU compatibility.

Changes Made

• Converted INT64 operations to INT32 using onnx-typecast for WebGPU compatibility
• No other modifications to the model

License

CC BY-NC-SA 4.0 (Creative Commons Attribution-NonCommercial-ShareAlike 4.0)

⚠️ This model is for NON-COMMERCIAL use only.

Attribution

• Original Model: rhasspy/piper-voices
• Voice: en_US-hfc_female-medium (Hi-Fi Captain dataset)
• Piper TTS: MIT License - https://github.com/rhasspy/piper
• Dataset License: CC BY-NC-SA 4.0

You must:

• Give appropriate credit
• Indicate if changes were made
• Not use for commercial purposes
• Share derivative works under the same license

Usage

const MODEL_URL = 'https://huggingface.co/MaiAphrodite/piper-tts-webgpu/resolve/main/en_US-hfc_female-medium-int32.onnx';

Technical Details

Property	Value
Original Model	en_US-hfc_female-medium.onnx
Modification	INT64 → INT32 conversion
Purpose	WebGPU compatibility in browsers
Sample Rate	22050 Hz