Acoustical Ruler App Measures Distances With Your iPhone Like a Submarine

Thanks to anew appthat uses the same approach as hero for measuring space , you could now add ‘ semi - authentic tape measure measure ’ to the inclination of things your iOS gadget can do .

Acoustical Ruleris useable from theiTunes App Storefor just a buck , and use bare sonar technique to measure distances with a yoke of unlike approaches . In double twist Mode it ’s able-bodied to measure as far as 82 feet by “ clocking the time wait ” of an emitted chirp sound between a brace of mike - equipped iOS devices , as is demonstrated in the video . If you do n’t have a couple of iOS devices , the app also has a undivided gadget ( Headphone ) Mode which works with a unmarried iPhone , iPod Touch or iPad using a pair of earbuds . The only drawback being that you ’re then bound to quantify distances as long as the distance of your earbuds .

The app require a second of calibration each time , including specifying the gentle wind temperature in the room since that will sham the speed of the sound wave . And while it ’s claimed to offer a resolution of just 1/10 of an inch , the developer cook no promises of how accurate it really is :

Please note that while the resolution of the measurement may be as modest as 1 mm , the precision commonly is not . While I have taken smashing maintenance to make the app as honest as potential , there are simply too many factor affecting the measuring process and the precision . That is why I want to be unclouded about one thing : there is dead no warranty that the measure taken with Acoustic Ruler Pro are correct . Since the app work by sending and receiving sound , you ’ll manifestly get the undecomposed results when using it in an environment that is not too tatty .

So you ’ll probably want to cohere this one in your ‘ novelty ’ or ‘ apps that mime other gimmick but are n’t really as good as the real affair ’ folder . [ acoustic RulerviaSlashdot ]

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