100 Psychoacoustics ringtones for old people

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Bids
9
Avg Bid (USD)
$272
Project Budget (USD)
$30 - $250

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.

Skills required:
Audio Services, Mobile Phone, Music
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