Trayvon Martin shooting: It's not George Zimmerman crying for help on 911 recording, 2 experts say
http://www.orlandosentinel.com/news/local/trayvon-martin/os-trayvon-martin-george-zimmerman-911-20120331,0,60368.story
As the Trayvon Martin controversy splinters into a debate about self-defense, a central question remains: Who was heard crying for help on a 911 call in the moments before the teen was shot?
____ A leading expert in the field of forensic voice identification sought to answer that question by analyzing the recordings for the Orlando Sentinel.
His result: It was not George Zimmerman who called for help.
Tom Owen, forensic consultant for Owen Forensic Services LLC and chair emeritus for the American Board of Recorded Evidence, used voice identification software to rule out Zimmerman. Another expert contacted by the Sentinel, utilizing different techniques, came to the same conclusion . . .
. . . software compared (the 911 audio) to Zimmerman's voice. It returned a 48 percent match. Owen said to reach a positive match with audio of this quality, he'd expect higher than 90 percent.
"As a result of that, you can say with reasonable scientific certainty that it's not Zimmerman," Owen says, stressing that he cannot confirm the voice as Trayvon's, because he didn't have a sample of the teen's voice to compare.
read more:
http://articles.orlandosentinel.com/2012-03-31/news/os-trayvon-martin-george-zimmerman-911-20120331_1_voice-identification-expert-reasonable-scientific-certainty
Audio: Enhanced audio of cries for help on 911 call
http://www.orlandosentinel.com/news/local/trayvon-martin/osvideo-trayvon-martin-audio-expert-screams-zimmerman-call-20120331,0,4097283.premiumvideo
Video and audio: Trayvon Martin case
http://www.orlandosentinel.com/news/blogs/beth-kassab/orlnews-trayvon-martin-shooting-20120315,0,1392386.premiumvideoplaylist
PDF: Partial police report for shooting at Retreat at Twin Lakes
http://www.orlandosentinel.com/news/local/breakingnews/os-trayvon-martin-police-report-20120328,0,7118133.acrobat
http://www.orlandosentinel.com/news/local/trayvon-martin/
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