Detailed text transcripts for TV channel - MSNBC - 20130701:13:37:00
The vocal cord. it's somewhere around 15 to 17 centimeters or so. this tube is constantly changing, and it creates a resonance. and that resonance can be also change the when the person uttering something under extreme -- >> you've been listening to live testimony from sanford, florida. this is the george zimmerman trial, taking place right now. we've been hearing from an fbi audio engineer, detailing the specifics of the 911 call that was made by a neighbor the night that trayvon martin was killed. he said there's about 19 seconds of screaming that he could hear, 18.82 to be exact. no one wil...
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