I recorded a friend's band using my Sharp MD recorder and Sony condenser microphone. I stood more on the right side than the ideal middle because the other spots were already taken so naturally the recording came out louder on the right side which I fixed later at home using Soundforge software. After inputting the entire recording through the analog jack of my computer into Soundforge creating stereo wav files and making sure the levels were high enough to hear without clipping or distorting, for each one I did the following:
1. Process at the top
2. Channel Converter - Name: Stereo to Stereo-Pan center, use Right channel only
Output channels to Stereo-New left channel 65% / 50% New right channel 50% / 50%
and pressing the OK button.
Finally, after normalizing all, I saved them as wav files and converted them to mp3s with a free converter that I downloaded from download.com.
recordingmusic at Making MP3s Using Live Recordings