Tracking breathing with your smartphone — why not apps?

Interested in monitoring breathing using a smartphone. Abroad in University development, where the breath of the track through movement of the chest (belly). It is defined through the reflection generated by the mobile ultrasonic signal.

For example https://apnea.cs.washington.edu/apneaapp.pdf

The findings are very optimistic.

But what kind of applications are seen. Question - does anybody know about the pitfalls of this method?

I want to develop such a program (management of stress), but the lack of ready-made applications is alarming.

PS App tracking through the pulse (pressing the finger) is uninteresting. Tried. Finger uncomfortable to hold.
March 23rd 20 at 18:47
3 answers
March 23rd 20 at 18:49
Solution
Because between research and market launch is a huge chasm.

A great example of 4 years ago was the algorithm, allowing simple and cheap hardware to get a 3D scan a couple orders of magnitude more precisely than it is possible in principle on the scanners, based on IP cameras and structured light.... the need is huge, and where are the glands?
https://habr.com/ru/company/ua-hosting/blog/388299/
web.media.mit.edu/~achoo/polar3D

And you have a very narrow area of demand no.

p.s. but you can Finance the development of the application, as the research already conducted, it can even be lifting.
I think about it - to me this project is interesting. But this requires not only a programmer but an engineer with some knowledge - where is this found?

Among programmers, the project is not to pull. - Amely commented on March 23rd 20 at 18:52
March 23rd 20 at 18:51
Firstly, there are such applications. On habré were discussed. People use even.
Or rather trying to use it, because:
Secondly, they work sucks.
Because:
Using the conventional microphone of a smartphone, which in fact is confined to the transmission of speech only and speech - there is even the music sucks is written through him a lot and full of sound information does not get.

And by the way your reference or a lie, or you not so understood
It is defined through the reflection generated by the mobile ultrasonic signal.

In conventional mobile no components capable of generating ultrasound.
At least stable enough and strong enough and sufficiently focused to plus it was nezavisla the model of smartphone - definitely not.

Perhaps the researchers hooked to the additional mobile device. Well, or used completely independent from a smartphone, but still external to the mobile emitter of ultrasound.
No, the device does not cling. It is easy to check by looking the article.

And this study is not the only one. In China last year did the same.

Serious universities. Serious research - Amely commented on March 23rd 20 at 18:54
If you can give a link to such application or discussion on Habre, I will be grateful

I have not found - Amely commented on March 23rd 20 at 18:57
@Amely,
And this study is not the only one. In China last year did the same.

Serious universities. Serious research


You do not so moved.
By the mobile without an EXTERNAL devices is impossible.

Because the smartphone is NOTHING to GARNIROVAT ultrasound. There are no such devices.

Maybe, with ultrasound you illiteracy called audible sound.

Ultrasonics-the inaudible. - kiel.Powlowski commented on March 23rd 20 at 19:00
@kiel.Powlowski,

https://play.google.com/store/apps/details?id=alxg... - Amely commented on March 23rd 20 at 19:03
@Amely,
are you serious?

the fact that a certain thing exists != that kind of thing works, performs the promised function - kiel.Powlowski commented on March 23rd 20 at 19:06
March 23rd 20 at 18:53
Because they are not wanted?

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