100 Psychoacoustics ringtones for old people

This project was successfully completed by paulwilkie for $250 USD in 20 days.

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Project Budget
$30 - $250 USD
Completed In
20 days
Total Bids
Project Description

I need 100 custom polyphonic ringtones for seniors according to Psychoacoustics

Ringtones has to be created having elder people in mind: in particular they must follow guidance of limits of perception and frequencies to allow best chances to be heard by senior people.

Growing old means hearing impairment: aging means hearing loss. In particular people are not able to hear some frequencies.

These 100 polyphonic ringtones will be put as free download on a free site: they have to be created to get the maximum chance to be heard by older people.

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