VAVA sounds stops randomly/doesn't work

When watching a movie with my son, the sound quit working. After restarting the apple tv4k nothing changed, and after restarting the projector the sound only worked for 5-10 seconds. It not doesn’t work.

Would love some help for a work around

Same issue. Watching HP with my son from Netflix, from Apple TV (2º Generation) the sound stopped 3 times.
OS Version 1.91