Исправить трек *.flac

Выполняю:

$ flac -t -F 21\ -\ La\ mia\ canzone\ al\ vento.flac 

flac 1.1.2, Copyright (C) 2000,2001,2002,2003,2004,2005  Josh Coalson
flac comes with ABSOLUTELY NO WARRANTY.  This is free software, and you are
welcome to redistribute it under certain conditions.  Type `flac' for details.

21 - La mia canzone al vento.flac: testing, 51% complete21 - La mia canzone al vento.flac: *** Got error code 0:FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC
21 - La mia canzone al vento.flac: *** Got error code 2:FLAC__STREAM_DECODER_ERROR_STATUS_FRAME_CRC_MISMATCH
21 - La mia canzone al vento.flac: *** Got error code 0:FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC
21 - La mia canzone al vento.flac: *** Got error code 1:FLAC__STREAM_DECODER_ERROR_STATUS_BAD_HEADER
21 - La mia canzone al vento.flac: *** Got error code 0:FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC
21 - La mia canzone al vento.flac: WARNING, MD5 signature mismatch

как можно исправить эти ошибки?