Audio files can be stored as SQL Server VARBINARY data.
DBBlobEditor can help you to store audio files as SQL Server VARBINARY data:
Batch import audio files into SQL Server IMAGE / VARBINARY(MAX)
Batch export SQL Server IMAGE / VARBINARY(MAX) to AUDIO files
Batch import mp3 files into SQL Server IMAGE / VARBINARY(MAX)
Batch export SQL Server IMAGE / VARBINARY(MAX) to MP3 files
