You have your recording in Ardour. Mixed to perfection, tracks lined up in the correct order. Now you want to export you stuff to a Red-book CD for mastering, or if you did the mastering yourself, for duplication.
Here are the steps to follow...
1. Mark your tracks.
In the editor viewer, there is a bar, marked "CD Markers" Click and drag to mark your tracks, one by one, making sure they don't overlap...
2. Edit track details
Under the "Windows" menu, click "Locations". The following should appear:
Edit your track information for the CD-text functionality
3. Export your stuff.
In the "Session" menu, select "Export" and then "Export session to audiofile"
As in the image above, make sure you have dithering activated. Also, select the source of your export. It would normally be your "Master" channel, as in the image. Hit export, and wait.
4. Open GCDMaster, and click "Open"
In the dialogue that opens, browse to your Ardour project folder. in that folder should be an "export" folder, and in there should be the .wav export plus your .cue or.toc file created with the export. Click on the .cue or .toc file and click "Open".
Your project should load into GCDMaster, and the track markers should be visible. You can check your Project data...
Click the "Record" button, select your device, select "Burn" in the radio button interface, and hit the big "Start" button. Wait. Serve hot...