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How to create speech from a voice description alone with AuK

Generate a spoken line from a text description of the voice, with no reference audio needed.

  • Content
  • Intermediate
  • 1 hour
  • From the README
  • Any agent

Authorization notice. AuK is dual-use. Only use it on software, sites and systems you own or have explicit permission to test.

Who it is forA game or app developer who needs a placeholder narrator voice and has no recording to start from.

The problemFinding or recording a voice for prototype dialogue takes time before the content can be tested.

The outcomeA WAV file with the requested text spoken in the described voice.

What you need first

  • Python 3.10 and uv or Conda
  • A GPU with enough VRAM to run the model (CPU offload is CUDA only)
  • Disk space and network access to download the AuK weights and the Qwen2.5-Omni-3B encoder from Hugging Face or ModelScope
  • Source audio or a reference clip for tasks that need one

Steps

  1. uv venv --python 3.10
  2. source .venv/bin/activate
  3. uv pip install -e .
  4. hf download tencent/AuK --local-dir ./ckpts/AuK
  5. auk-infer --instruction "<voice description and the text to speak>" --output <out.wav> --gen_seconds 6.0 (inferred, check the README)

Prompt for your agent

In the Tencent-Hunyuan/AuK repo, use auk-infer with only an --instruction that describes the voice and contains <target text>, and write the result to <out.wav>. Verify that <out.wav> is created and that its length is close to the requested seconds.

Caveat. The README lists instruct TTS as a task but does not show its exact command, so the example call here is inferred from the general instruction pattern.

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