I have a TASCAM DP01-FX eight-track digital recorder. I have been moving mastered tracks (which are WAV files - they're data, not audio) from the eight-track to my laptop via USB. I’ve found that no matter how high I set the levels when I master them, the output from the TASCAM is very quiet. I can fix it to some degree by using Audiograbber’s ‘normalize’ function, but is there another way I can make my songs much louder?