CORRY20

I have the Sony MZ505 net md and I want to record streaming audio.I use High Critera program to record Streaming audio but when I put it on my Net Md the sound is a little low.I want to have the sound recording louder I have the wave audio and the show I am recording turned up as loud as it can go how can I make it louder.I would really be happy for some help.Thank you