I have 22 sound track files which I need to join as one big file
the format is WMA windows media files
they need to be joined into one big file WMA
then supply also MP3 files
the 22 sound files are approx 50 minutes long in total and size is approximately 50 Mbyte
the files are readings only voice no music
you need to make that the resulting file level is the same
I estimate that the time taken to be maximum 1 hr