X is input, Y is output.

enter image description here

  • Far Left: WaveShaper

  • Left: Distortion

  • Right: Equalizer

  • Far Right: Hmmm...

I need an app that takes an input audio track, adjusts the output frequency based on its original frequency, and outputs a pitch-distorted track.

  • 2
    An app for Android? For iOS? A Web-App? What's your price limit if it comes to paid software? – Izzy Dec 1 '17 at 10:06
  • 1
    Let me see if I'm understanding correctly. If your input is some recognizable, in-tune melody, you want the software to convert it so that the output is not merely the same melody in another key? So for example, one possible application of this software could be to simulate a person who can't carry a tune, as they attempt to sing a well-known song? – John Y Dec 7 '17 at 23:18
  • @JohnY Yes.   – clickbait Dec 7 '17 at 23:20
  • 1
    Why do you call the second graphics "Distortion"? Ain't that the curve of an amplifier? – Thomas Weller Dec 7 '17 at 23:31
  • 1
    I'm voting to close this question, because it's unclear what exactly is needed. Please update the graphics in your question to show what you actually need. I can't give an answer for a question with wrong requirements. – Thomas Weller Dec 11 '17 at 19:03

Audacity has an effect which will change the pitch, while maintaining tempo, for you.

enter image description here

  • Free, Open Source & Gratis
  • Available for most platforms
  • of course it does a lot more besides
  • That's not what I want. I need to shift the pitch based on the pitch. – clickbait Dec 1 '17 at 13:43
  • @Duh-Wayne-101 Do you mean that you wish to shift the pitch by a different amount according to the original pitch? – Steve Barnes Dec 2 '17 at 10:55
  • Yes, that is the functionality I want. – clickbait Dec 2 '17 at 16:29

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