How to use speaker_id in finetune stage

[Kingdroper]

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Cloud or Self Hosted

Self Hosted (Source)

Environment Details

official implementation

Steps to Reproduce

official steps

✔️ Expected Behavior

I'm using two timbre data in the fine-tuning phase and how to synthesize the audio in the inference phase by specifying the speaker_id？

❌ Actual Behavior

official fine-tune and inference steps