Mulligan's Sports Bar had 22 screens and a PA system that pulled audio from the main broadcast feed. The screens had their own speakers too. The broadcast feed arrived via satellite with 200ms of encoding delay. The PA system added 50ms of DSP processing. The TV speakers were on a different feed with 150ms of delay. None of these were synchronized.

When the home team scored, the following sequence occurred: (1) fans watching the 4K stream on their phones (via 5G, 80ms delay) cheered first, (2) the PA system erupted 170ms later, (3) the TV speakers kicked in 70ms after that, (4) the corner TV on the older satellite decoder announced the goal 400ms after everyone else. Four cheers, spread across nearly half a second, for one goal. It sounded like the bar was doing the wave in audio form.

The emotional peak of a live sports viewing experience depends on synchrony — everyone reacting at the same moment. When the celebrations are time-smeared, the collective excitement dissipates into confusion. Regular patrons had learned to wait for the "second cheer" to confirm the goal was real, which is not the sports bar experience anyone wants.

Audio-video synchronization in commercial venues requires matching all sources to a common reference and delaying early sources to match the slowest one.

The Moral: Sync all audio sources in your venue. Use SonaVyx Transfer Function to measure the delay of each source and align them to a common time reference — one cheer per goal is enough.