I used Cubase on the Atari ST in the 90s, and now a little bit of GarageBand on the Mac and Maschine/Kontakt, so I do have some understanding about computer DAWs and such but still I cannot find an easy way to do this.
For fun, I wanted to play a song (of which I have the MIDI) but, instead of playing the melody (on channel 4, just to be specific), I want to play a WAV file according to the notes on channel 4.
Suppose the WAV file contains just a "uh", I want to play that "uh" like if the standard WAV corresponds to the central C on the keyboard, and played accordingly depending on the note on channel 4, so that it can "sing".
Basically, instead of sending out a "note on" command on the MIDI port, I want to play my WAV "tuned" to the note on channel 4.
Hope it's clear :)