Fun-ASR/docs/finetune.md

Finetune

Requirements

pip install git+https://github.com/modelscope/FunASR

Data Prepare

Data examples

{"messages": [{"role": "system", "content": "You are a helpful assistant."}, {"role": "user", "content": "语音转写：<|startofspeech|>!https://isv-data.oss-cn-hangzhou.aliyuncs.com/ics/MaaS/ASR/test_audio/BAC009S0764W0121.wav<|endofspeech|>"}, {"role": "assistant", "content": "甚至出现交易几乎停滞的情况"}], "speech_length": 418, "text_length": 6}
{"messages": [{"role": "system", "content": "You are a helpful assistant."}, {"role": "user", "content": "语音转写：<|startofspeech|>!https://isv-data.oss-cn-hangzhou.aliyuncs.com/ics/MaaS/ASR/test_audio/BAC009S0916W0489.wav<|endofspeech|>"}, {"role": "assistant", "content": "湖北一公司以员工名义贷款数十员工负债千万"}], "speech_length": 572, "text_length": 11}

Full ref to data/train_example.jsonl

Description：

• messages[1]["content"]: audio file with speech recognition prompt
• messages[2]["content"]: transcription
• speech_length: number of fbank frames of the audio file
• text_length: number of tokens of the transcription (tokenized by Qwen3-0.6B)

train_text.txt

BAC009S0764W0121 甚至出现交易几乎停滞的情况
BAC009S0916W0489 湖北一公司以员工名义贷款数十员工负债千万

train_wav.scp

BAC009S0764W0121 https://isv-data.oss-cn-hangzhou.aliyuncs.com/ics/MaaS/ASR/test_audio/BAC009S0764W0121.wav
BAC009S0916W0489 https://isv-data.oss-cn-hangzhou.aliyuncs.com/ics/MaaS/ASR/test_audio/BAC009S0916W0489.wav

Command

python tools/scp2jsonl.py \
  --scp-file /path/to/train_wav.scp \
  --transcript-file /path/to/train_text.txt \
  --jsonl-file data/train_example.jsonl

Finetune

Modify the audio_encoder_conf.freeze, audio_adaptor_conf.freeze, and llm_conf.freeze in finetune.sh.

Set the freeze parameter of the modules to be fine-tuned to false(by default, only the LLM is fine-tuned).

bash finetune.sh