Show HN: I'm a doctor and made a responsive breathing app for stress and anxiety

Re:Show HN: I'm a doctor and made a responsive breathing app... by lukko on Thursday January 26, 2023 @02:26PM (#34537359)

Thanks, that's very useful feedback. At the moment, the camera isn't utilised to its full potential - it is used to guide positioning rather than measuring accessory muscles or shoulder movement. I think overall adding sensors to the experience does add something, and hopefully with more development the app could alert the user to things like hyperventilation and dysfunctional breathing patterns.

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Re:Show HN: I'm a doctor and made a responsive breathing app... by cloudking on Thursday January 26, 2023 @05:15PM (#34539651)

Could you use the LiDAR data on newer iPhones to get more accurate assessment? https://developer.apple.com/documentation/avfoundation/addit...

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Re:Show HN: I'm a doctor and made a responsive breathing app... by lukko on Thursday January 26, 2023 @05:25PM (#34539763)

Hmm it currently uses TrueDepth on devices that support it. I think LIDAR is only with back-facing cameras?

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Re:Show HN: I'm a doctor and made a responsive breathing app... by cloudking on Thursday January 26, 2023 @05:35PM (#34539869)

Ah good point that kind of defeats the visual part of your app :) nice work btw!

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Re:Show HN: I'm a doctor and made a responsive breathing app... by prox on Friday January 27, 2023 @02:00AM (#34543422)

I just bought it, the microphone doesn’t seem to do a lot (and I don’t gave access to camera) but I will try it out later.

It’s a well thought app. The core function is really good, I will enjoy trying out the different exercises! The design of the homescreen could be better, looks a bit cluttered.

Maybe some background information if it takes off in the future would be nice for people who don’t know the science behind each breath type.

Other than that, I wish you success!

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Re:Show HN: I'm a doctor and made a responsive breathing app... by lukko on Friday January 27, 2023 @10:38AM (#34547200)

Have a quick look here if you think the mic input is not working correctly: https://www.lungy.app/how-to. If that doesn't help, please send a message to - hello [at] lungy dot app

I agree the home screen could be clearer and the layout could be improved on the exercises to include more info. Thank you for the feedback!

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Re:Show HN: I'm a doctor and made a responsive breathing app... by ghostbrainalpha on Tuesday January 31, 2023 @03:33PM (#34601537)

It's not fair to judge the microphone when you didn't use the camera to position it correctly.

There is an exact distance and tilt the phone needs to get the best sound, and its not really possible to nail that without the help of the camera.

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Re:Show HN: I'm a doctor and made a responsive breathing app... by komatsu on Friday January 27, 2023 @04:31AM (#34544236)

You could use the front TrueDepth sensor that is behind FaceID unlocking. You will get quite detailed RGB + depth data. It could possibly capture even the subtle movements of upper chest.

see Steffen Urban, Thomas Lindemeier, David Dobbelstein, Matthias Haenel, "On the Issues of TrueDepth Sensor Data for Computer Vision Tasks Across Different iPad Generations" and Andreas Breitbarth, Timothy Schardt, Cosima Kind, Julia Brinkmann, Paul-Gerald Dittrich, Gunther Notni, "Measurement accuracy and dependence on external influences of the iPhone X TrueDepth sensor".

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