Did you install the TTS-1? Does it show up in Cakewalk?

If it is a DXi it has to be installed to the system, then PT will see it.
If it is a VSTi then make a blank track a MIDI track, click the little arrow on far left of track to 'Edit DXi', then in the top box scroll down to 'Install VSTi' (or close) This will open a browse window to allow you to find the .dll file for the TTS-1. Once this is done it will be in your list.

You can then set it as the default synth if desired in MIDI devices area of options-preferences.


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Make your sound your own!