Hear Birds Again

A Pitch-Lowering Solution for Birders with High Frequency Hearing Loss

Frequently Asked Questions

What will my donation be used for?
Initially, donations will be used almost exclusively to pay for programming and publishing the app, with some funds set aside to refine the headset design and make sure that birders the world over know about our project. After publication, available funds will be used to add new features, including (we hope) the creation of an Android version.

While we are absolutely committed to producing and publishing the first iOS version of our app (with or without sufficient funding), what happens after that necessarily depends on our continued success at raising the necessary funds.

Who is "Hear Birds Again" for?
Our app is aimed at birders and other nature-lovers who have high frequency hearing loss and are unable to hear the high-pitched songs of many birds and insects, yet still have reasonably good hearing in the lower range, such that they can converse with other people without the need of a hearing aid. Go here for more information.
How does it work?
In brief, our app will lower the pitch of high singers into the range where the user’s hearing is still more-or-less intact. Go here for more information.
Is a special headset required?
Our app will work using a mobile device’s onboard mics, but to experience the pitch-shifted songs in a natural and pleasing three-dimensional space, it must be used in conjunction with a special “binaural” headset that will allow the user to determine the directions and distances of songs and then go find the singers. Go here for more information.
Where will one obtain the headset?
Currently, there are no suitable headsets for sale in the marketplace. So, at least for the time being, they will have to be built, either as a do-it-yourself project or else by entrepreneurs willing to build and sell them on-demand. Once we home-in on an optimal headset design, we will provide a detailed parts list along with assembly instructions. Please let us know if you (or someone you know) is interested in making headsets for this project.
What will it cost?
Our app will be entirely free.
What does "open source" mean?
Not only will our app be free to the public, the source code will be fully available to other developers, allowing them to freely modify and share it with others. Open source projects such as ours celebrate principles of collaboration, the free exchange of ideas, and community-oriented development. Go Here for a more complete explanation.
Henslow's Sparrow © Lang Elliott

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