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About Marco Polo!
This app allows you to find the source of sounds!
This is the first version of the unique Marco Polo app! This app allows you to find the source of sounds. Just press start and any single sound source below 2000 Hz will be pointed out by your phone in real time!
Note that two microphones are required for this app to function and even if your phone has two microphones, it may still not work due to android software constraints.
Currently known compatible phones:
Samsung Galaxy SII
Samsung Galaxy SIII
Samsung Galaxy SIV
Samsung Galaxy SV
HTC Desire HD
OnePlus One
If the app works on your phone (the arrow moves around), please let me know what device you are using if it is not in the list!
What's new in the latest 1.3
Last updated on 2017-08-12
Added a button to switch the microphone channels.
Videos and Screenshots
Old Versions of Marco Polo!
Marco Polo! 1.3
267.5 KBAug 12, 2017
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