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PhonoPaper?
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Popularity Score: 4
This app was mentioned in 4 comments, with an average of 36.25 upvotes
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hmmm... doubtful.
https://play.google.com/store/apps/details?id=nightradio.phonopaper&hl=en
here's as close as we got to reading audio from an image. you'll see that the sounds need be to broken into multiple strings - because 1 sound-wave image itself simply shows you the level of volumes hit rather than the actual type of sound it's making. that is, if a person was to speak at precisely the same rythm and volume as a dog's growling murmur, you'd get the same image and it wouldn't be decipherable.
Waveforms don't really work like that. Apps that exist that can play tattoos use the image to trigger the original soundfile. I doubt the resolution of even a couple of seconds of a waveform tattoo would get you anything past a garbled mess. This app might be of interest to you though. https://play.google.com/store/apps/details?id=nightradio.phonopaper
Something like PhonoPaper.
Maybe this app can help...