fix loading multi-channel mp3 file bug

haoneng.lhn

2023-06-27 a0defaf40e62417a76b954819dc8119290ea9ab1

 funasr/datasets/iterable_dataset.py

@@ -71,7 +71,10 @@
    try:
        return torchaudio.load(input)[0].numpy()
    except:
        return np.expand_dims(soundfile.read(input)[0], axis=0)
        waveform, _ = soundfile.read(input, dtype='float32')
        if waveform.ndim == 2:
            waveform = waveform[:, 0]
        return np.expand_dims(waveform, axis=0)

DATA_TYPES = {
    "sound": load_wav,