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Audio Signal Generator. Ratings and Reviews

Ratings and reviews are verified
4.34
out of 5
50 Ratings
  • Old RadioDude, 11.01.2015
    Radio engineer
    Nice app. I was getting ready to chuck my old battery powered audio generator and went looking for an app. Haven't had a chance to test THD (that might vary by phone) but did test frequency response on an RMS volt meter. Response was absolutely flat 20 Hz to 20 kHz which says a lot about the iPhone 4 and 4S. The 0 dB setting gave -10 dB +/- 0.1 dB which is correct for an unbalanced output. Channels were balanced on two phones Four stars because the add ons are over priced and could be included as they are on other apps. 1/11/15 Add ons offered for free! I grabbed them. A very useful app. Added fifth star. Show more
  • DJ_H, 03.01.2015
    Would be 5 stars
    If could purchase all add on's for one low price.
  • guiservidoni, 15.12.2014
    Good
    Good app lacking iPhone 6/6+ support
  • Jst_visiting, 26.10.2014
    Shuts up yapping dogs :)
    Sweep function in higher frequencies shuts my neighbors yapping muts at odd hours :) Not technical, but works for me :)
  • Plasmadimensions33, 31.08.2014
    Make sure the "GAIN" is up if you can't hear it.
    Works great!!!!!
  • KMHrock89, 14.04.2014
    Helped Diagnose Bad Freqs
    So a confession from someone who runs sound occasionally but is not super-experienced... I was sitting in church and as the pastor was preaching, I noticed a couple of really bad frequencies. But I wanted to be more specific to the sound crew on which frequencies needed adjusting. I downloaded this during service and (using my IEM's, mind you) diagnosed exactly the frequencies that were bad using the sine waves. I cannot wait to use this next time I'm mixing! So if you need help picking out a bad frequency, use these with headphones during a soundcheck and it'll help a ton! Obviously pros will not need it for this reason but it sure helped me! I may get the in-app purchase later, I think they will only add to the usefulness of this app. Show more
  • riko4628, 11.04.2014
    I can smell usefull stuff here!
    I use this app a lot, good for testing amps and people trolling with high freq's :)
  • chuyler, 10.04.2014
    Noise Generator Not Included
    Why show a photo of the noise generator if it isn't included in this version? Wasted my time downloading.
  • Bjornkarl, 11.03.2014
    Powerful and Invaluble
    Use this awesome tool as an aid in dialing in venue sound. Not a fan of the multitude if IAPs, however: would be better if the whole thing just cost 1.99 or something. Show more
  • Tw377, 07.01.2014
    Sound?
    Can't hear anything? Regardless of frequency? Am I deaf?