fix loading multi-channel mp3 file bug

haoneng.lhn

2023-06-27 a0defaf40e62417a76b954819dc8119290ea9ab1

 funasr/bin/train.py

@@ -301,7 +301,7 @@
        "--freeze_param",
        type=str,
        default=[],
        nargs="*",
        action="append",
        help="Freeze parameters",
    )