JustOneMinute: The Self-Refuting Expert Witness The Orlando Sentinel Is Touting

Link: http://justoneminute.typepad.com/main/2012/04/this-is-the-expert-witness-the-orlando-sentinel-is-touting.html 

Back on the Trayvon Martin killing audio expert Tom Owen is getting good press with his claim (broken by the Orlando Sentinel) that it is not George Zimmerman heard screaming for help on a 911 call.  Here are CBS, CNN, MSNBC, Mediaite and the Boston Herald.
I squawked that other experts would question that conclusion - a good forensic audio match requires examples of speech similar to the sounds being compared.  So using George Zimmerman's spoken voice on his 911 call and comparing that to the screams heard in the background of a second 911 call would be a no-no for the other experts.
And Tom Owen agrees!  In describing his techniques at his website, we see this: (my emphasis):