实时语音识别和VAD效果不好

[liurongjie174]

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我用FunASR识别实时语音，由于那边推过来的流是通过WS推送PCM，每个包大小是234，然后用示例的funasr_wss_server.py去识别，vad和online效果不好。首先vad经常识别到的内容为[],导致fun_asr_online慢，然后fun_asr也执行的很慢，所以实时识别的数据推送出来的特别慢。

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