Midimeow is an easy-to-use tool to converts on the fly:Midi to Mp3 at 128 Kbps and 196 KbpsMidi to WavMidi to Ogg vorbisIt allows to change the rate of the output (3 rates available)The number of channels (mono or stereo)And if you want the volume of the output instead of the presets using the built-ininterface to change mixer's settings. Follow the link and free download MidiMeow now.