[Ubuntu-phone] Project SnapChirp, a Phone x Snappy success story

Oliver Grawert ogra at ubuntu.com
Mon Nov 2 18:17:20 UTC 2015

Am Dienstag, den 03.11.2015, 00:52 +0800 schrieb Penk Chen:
> Hi,
> I've developed an acoustic ranging framework for smart devices using
> Ubuntu Phone and Snappy Core, and won a top prize in the recent
> TechCrunch Beijing hackathon event. 
> Here's the demo video:
> https://www.youtube.com/watch?v=rXdkEA2enf4
> Slides:
> https://speakerdeck.com/penk/snapchirp-dot-io-the-tape-measure-of-sma
> rt-devices
> I named it SnapChirp because it measures distance using DTOA
> (Differential Times of Arrival) in high frequency chirps, the pitch
> detector is implemented in Qt/QML on phones and the pairing server is
> a simple chatroom-like Node.js/WebSocket snap. 

heh, i hope you dont have any cats or dogs in your house :) 
thats an awesome project to show snappy and phone integration ! 

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