There are three stories on the video. I have the third story time-marked (19:39) for immediate listening. You may also refresh or rewind to listen to stories #1 and #2. . . . ( I did not create the thumb-print )
My son loves listening to these Mr Ballen videos. Always entertaining.
The audio clip is intriguing, it definitely sounds like an actual language is being spoken. Would be curious to know if this kind of encounter is still happening in this area or not. I'd imagine that after 50 years of human intrusion whatever was there might have relocated to a more secluded area.
The Sierra sounds are the most famous recordings of BF. It stands as proven not to be of any known creature. Everytime I hear Ron Morehead communicating with them it is incredible.