Why Are There Audio Issues During The Texas-Tennessee Game?

President Trump was in attendance, so Secret Service cleared radio frequencies and coaches warned headsets can be cut when the president enters, leaves, or moves — teams practiced hand signals and other workarounds.
A burst of strong static hit the broadcast during a sideline report, underscoring the potential communication issues.
On the field, Texas led Tennessee 10-3 midway through the second quarter after Raleek Brown’s early 9-yard touchdown.