Tom Owen, chair emeritus for the American Board of Recorded Evidence, used voice identification software to “rule out” Zimmerman. The former chief engineer for the New York Public Library’s Rodgers and Hammerstein Archives of Recorded Sound, gave his expert opinion after being contacted by the Sentinel.
Owen told the newspaper that the software compared the screams to Zimmerman’s voice and returned a 48 percent match. He said he would expect a match of higher than 90 percent, considering the quality of the audio.
As a result of that, you can say with reasonable scientific certainty that it’s not Zimmerman,” Owen told the Sentinel.
But he also said he could not confirm the voice as Trayvon’s, because he didn’t have a sample of the teen’s voice.
The Sentinel said that Ed Primeau, a Michigan-based audio engineer and forensics expert, used audio enhancement and human analysis and came to the same conclusion.
I believe that’s Trayvon Martin in the background, without a doubt,” Primeau told the newspaper. “That’s a young man screaming.”
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