New calibration method (and happy review!)

I just came across to a happy customer review that, beside the positive response ;-) it explain a new way to easily calibrate the App.
Read the review and pay attention to the bold section.

This is the mentioned SPL Meter App:  https://itunes.apple.com/us/app/spl-meter/id309206756?mt=8

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Great Money Saver
4.0 star by Imagine Peds - 08/ott/2014

I have a Speech Therapy Clinic and insurers are now requiring that all kids have a current hearing screening performed before services are approved. 

Physicians do not typically screen kids until much later, and it’s hit or miss.  Also, report data from school screenings are not made available for use. 

Speech Therapists are licensed to perform screenings, so we chose to do them in house as part of our evaluation process.  Problem is that the basic equipment is $1200 plus. 

While doing some research I came across this gem.  It works extremely well… perfect for screenings.  

We already use iPads and we had a pair of Sony MDR-V6’s which are well suited for screenings. 

It is very easy to calibrate any suitable closed ear headphones using the calibration menu and another App Store gem called SPL Meter by Andrew Smith (simply place the EarPod mic in the ear cup and put them on your head). This process can easily calibrate within +/- 3 dB… well within the ANSI specifications.  

I would have rated 5 stars, but it appears there is an unresolved issue with AirPrint (it doesn’t work).  (Now Works in Ver 3.2)

For now, I am using the email report option which works fine.

ver. 3.1.6

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Important Note: Always use "A" WEIGHTING with SPL Meter in order to have the same response curve of the professional Audiometers.