Right, when you're on course, there is no sound. When you're off-course,
sound comes from the direction you need to turn to.
It is impossible to make this app to work in the background, as far as I
understand iOS API, since background apps can only do a very limited set
of things, and receiving magnetic compass updates is unfortunately not
one of them.
On 1/10/2021 8:14 AM, Richard Turner wrote:
Tony,
To be clear, if you lock the direction and stay on course, there is no sound,
correct?
And, when you get off course, the sound will come out of the ear on the side
toward which you need to turn to get back on course, right?
Any plans to allow the Blind Compass to work in the background so one doesn't
have to keep their phone unlocked? Right now, I would think this will be a big
battery drain.
Richard
Ralph's Observation: It is a mistake to allow any mechanical object<>to
realize that you are in a hurry.
My web site, www.turner42.com
-----Original Message-----
From: [email protected] <[email protected]> On Behalf Of Tony
Malykh
Sent: Saturday, January 9, 2021 4:46 PM
To: [email protected]
Subject: Blind Compass and Blind Bat - new apps for the blind
Blind Compass and Blind Bat - new apps for the blind Hello, My name is Tony
and I wrote two iPhone apps for blind people and recently I published them in
AppStore.
Blind Compass is a compass app specifically designed for blind people. I was
surprised that such an app didn't seem to exist before - or am I missing
something? First, it reports your heading continuously by varying pitch, so
that even with not much musical training you can easily memorize how the right
direction sounds like, and you'll be able to walk in straight line just by
listening to your direction. ALso when your heading crosses North,East, South,
or West you will hear that spoken to you.
I recommend to use Blind Compass with bone conductance bluetooth headphones.
Bone conductance headphones don't block ears, so that you can hear sounds from
the environment, as well as audio feedback from BlindCompasss.
You can also have your heading spoken by either pressing button in the app, or
if you are using bluetooth headphones, you can press play button once.
Second, Blind Compass allows you to lock your direction. Either press lock
button in the app, or press fast forward button on your headphones, or double
press play button on your headphones, and your direction will be locked. You
will hear auditory feedback guiding you back to the original heading. If you
allow Blind Compass to use location data, then it will also count distance
travelled from the point where you locked your location. This way you can cross
vast open space without fear of veering.
Another app I wrote is Blind Bat - and it is designed to help people to learn
echolocation. Maybe I'm not that good at it myself, but I wanted to play around
with it, so I designed an app that would make ideal click, whatever that might
entail. You have a few parameters you can adjust and the app would generate
click sound that conforms to these parameters. You can specify mean frequency,
bandwidth and duration of click.
If anyone is interested in source code:
https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fmltony%2Fblind-compass%2F&data=04%7C01%7C%7C1915a5e6450340c41c5108d8b5011743%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637458363572269011%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=dIdUGylq747WJsXXbdpY5M4Dt%2Fr7mKKEmdK5KgWCzs8%3D&reserved=0
https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fmltony%2Fblind-bat%2F&data=04%7C01%7C%7C1915a5e6450340c41c5108d8b5011743%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637458363572269011%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=ZlNf3cZMXoyAHMFVdcuRuV469Y3otWPtoutG0C%2Bc2Zg%3D&reserved=0
Let me know what you think of them!
--Tony
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