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ASR-demo/README.md

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FunASR realtime ASR demo

The project keeps the frontend and backend in separate directories. The frontend serves the original Tencent demo assets from frontend/static/ unchanged.

Project layout

  • backend/: FunASR WebSocket adapter, native engine launcher, CAM++ service, and backend code.
  • frontend/: Tencent demo files and the static HTTP/WebSocket proxy.
  • scripts/: shared model download tools.
  • requirements.txt: combined dependencies for both ASR engines and the frontend.
  • model_manifest.json: shared model registry.

Install and download models

The combined requirements file includes the GB10 CUDA 13 PyTorch and vLLM stack used by the Qwen3-ASR branch. Adjust the CUDA index and torch-family pins before installing on a different host.

python -m pip install -r requirements.txt
if (-not (Test-Path .env)) { Copy-Item .env.funasr.example .env }
python scripts/download_models.py --funasr-runtime

Start

Run the backend and frontend in separate terminals from the project root:

python backend/run_backend.py
python frontend/run_frontend.py

The backend supervises CAM++, FunASR native WSS, and the browser protocol adapter. The frontend serves the unchanged Tencent page and proxies its same-origin /ws and /api/stop requests to the backend. Configure ports and model locations in .env.