In Digital Performer (starting in version 5 I believe), in the “Sequence” window, there is a drop down menu for each track. Normally its labeled “soundbites” if my memory serves me correctly. If you click that and select “Pitch”, the pitch correction view will appear. From there you can draw, drag, and drop pitches based on each note. Make sure to zoom in to get the most accurate results.

In Pro Tools (and other most every other DAW) you can achieve pitch correction manually. You will have to use an audiosuite plug-in. This process is destructive, so I would suggest duplicating the playlist/take before starting. Once you made a copy, you will have to go word by word (assuming you are tuning a vocal). Use the “B” key to seperate a region you want to tune. Then, using your ears, figure out whether or not the note is flat or sharp. Highlight the region, and choose “pitch” out of the audiosuite menu. Then make the proper adjustments and process!

Phew, kind of a lot to read and apply. I will try to make a short screencap video of this process in at least a few different DAWs and post it here soon. Its a great technique.

You can also buy tuning plug-ins (AutoTune, Waves Tune, Melodyne, etc etc). I would suggest practicing a little without the plug-ins first though. A well-trained ear is an invaluable tool!