100 Psychoacoustics ringtones for old people

Avg Bid (USD)
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
About the employer:
Public Clarification Board
Bids are hidden by the project creator. Log in as the employer to view bids or to bid on this project.
You will not be able to bid on this project if you are not qualified in one of the job categories. To see your qualifications click here.

$ 250
in 20 days
$ 245
in 15 days
Hire kruraval888
$ 200
in 5 days
$ 190
in 5 days
$ 230
in 10 days
$ 500
in 60 days
$ 100
in 5 days
$ 230
in 15 days
$ 500
in 10 days