fix loss normalization for ddp training

haoneng.lhn

2023-12-08 ace42e5043be992c3a324fc637ba0594f10ad3b6

 funasr/bin/sv_infer.py

@@ -22,9 +22,9 @@
    """Speech2Xvector class

    Examples:
        >>> import soundfile
        >>> import librosa
        >>> speech2xvector = Speech2Xvector("sv_config.yml", "sv.pb")
        >>> audio, rate = soundfile.read("speech.wav")
        >>> audio, rate = librosa.load("speech.wav")
        >>> speech2xvector(audio)
        [(text, token, token_int, hypothesis object), ...]