No, nor does it explain why you can hear her coughing from time to time, but not one whisper of the exchange between her and the first BBB.
It was eerily silent.
According to ‘authorities’ the audio just happened to quit working at that very moment. They have had trouble with the audio before, and their hard drive keeps erasing itself or getting lost. They promise that sometime in the future they will get a tech in to look at the problem.
(/s)