iPhone speaks out for folks who can't

Leslie Clark and her husband have been trying to communicate with their autistic 7-year-old son, JW, for years, but until last month, the closest they got was rudimentary sign language. He's “a little bit of a mini-genius,” Clark says, but like many autistic children, JW doesn't speak at all.

Desperate to communicate with him, she considered buying a specialized device like the ones at his elementary school in Lincoln, Neb. But the text-to-speech machines are huge, heavy and expensive; a few go for $8,000 to $10,000.

Then a teacher told her about a new application that a researcher had developed for, of all things, the iPhone and iPod Touch. Clark drove to the local Best Buy and picked up a Touch, then downloaded the “app” from iTunes.

Total cost: about $500.

A month later, JW goes everywhere with the slick touch-screen mp3 player strapped to his arm. It lets him touch icons that voice basic comments or questions, such as, “I want Grandma's cookies” or “I'm angry — here's why.” He uses his “talker” to communicate with everyone — including his service dog, Roscoe, who listens to voice commands through the tiny speakers.

It's a largely untold story of Apple's popular audio devices

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