[LINK] Hearing tests for free by phone (o/t)
link at todd.inoz.com
Fri Feb 29 20:43:40 EST 2008
At 03:37 29/02/2008, Ivan Trundle wrote:
>>You ring them up, leave your number and they call back. If you haven't
>>heard the phone ring after five minutes you know you are deaf.
>Surely the first question one would ask is 'What prompts?'
>And why just a fixed phone? The acoustic ability of my 'fixed' phone
>is no better than that of my mobile - or perhaps someone who knows can
>tell us what frequency ranges are possible across both options (so I
>know that I'm not deaf, but rather that my earpiece is left wanting).
Actually because a Mobile phone is DSP, and the signals in and out
are digital, the range should be 20Hz to 20kHz, but I'd be surprised
if the earpeice was capable of more than 80Hz to 18,000 Hz
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