OpenBMB / OpenBMB/VoxCPM

克隆模式下4字及以下的短句合成效果异常

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#361 2 comments 1 reaction 0 assignees View on GitHub

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Dominant language
Python
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Description

参考音频:

yanglan_zh.wav

生成音频:

pytorch_clone_10_脚有点冷.wav

尝试过pytorch、nano vllm和vllm omni,都存在这种现象,非克隆模式下是正常的。

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the attached reference and generated audio with cloned text of four characters or fewer, comparing PyTorch, nano vLLM, and vLLM Omni against non-clone mode. Done means short cloned phrases synthesize normally across the affected backends without regressing the normal non-clone behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
python, pytorch
Domain
audio-video-rtc, machine-learning
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
45/100

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