For AOTC special trailers (for DTS and/or THX) it turns out that it was most likely this DTSSONIC and perhaps instead or also one called vaguely DTS (need to look into this DTS labelled one more):
https://www.youtube.com/watch?v=PT0jRA4b78s
And the THX trailers would have most likely been one or more of:
https://www.youtube.com/watch?v=MSi0n4nDVDY
https://www.youtube.com/watch?v=u9idIJ_LMn0
https://www.youtube.com/watch?v=05COcAUq3Z4