I thought that Sound was owned by Merv Griffin Enterprises. Unless The production company that produces this game show got permission from Merv Griffin
Given some of the sound effects from WoF (such as the buzzer) were used on High Rollers, not to mention changes when WoF moved to CBS, I'd say they were owned by NBC, which makes this completely fine.
cheap, canned pizza sauce The sound effect they used as a little joke was the sound they used to play when introducing a new puzzle, so it was only fitting since, of course, Pat was hosting the Wheel of Fortune and still is.