From youtube:
"The audio is sliced and seems to be added externally. People are talking about problems establishing communication with two planes which are close to the 00000 object. It seems that plane crews are unable to understand what the traffic controller says and report some interference in the FM range. Another voice says the interference sounded as if some woman 'meowed'. Later the radio contact was reestablished and the operator is trying to find out the exact time frame of the interference. "
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