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Discussion in 'Live Sound [BG]' started by farshore, Mar 22, 2017.
Found this while browsing the web:
It is the second listing on the page.
not all that useful.
i've had a dB meter on my iphone for a while now (so through a few generations of iphones) and what i've figured out is that the iphone mic just doesn't have the dynamic range to make it accurate for this.
i'll calibrate my real dB meter to the iphone at a given loudness with a pink noise signal through my stereo speakers, and then find that when i turn my stereo up or down from there the iphone mic doesn't track with the dB meter's mic.
Yeah, I did not have time to check it out (still have not), but posted in case it was worth anything, since the "sale" ends tonight.
Add a good external mic and iPhone's are not bad at all
CDC - Noise and Hearing Loss Prevention - NIOSH Sound Level Meter App - NIOSH Workplace Safety and Health Topic
with my tascam im2 external iphone mic i found that it tracked the dB changes much more closely with the real dB meter, making the phone useful for this task.
Even with the stock built in mic and a cheap / free dB meter app, you are still light years ahead of the "too loud" vs "not loud enough" debate nonsense. +/- 3 to 5 dB is the realistic threshold for human SPL perception anyways so the margin of error for non pro equipment won't have much of an impact in the wild.