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Generate pitches in iPhone app?
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Generate pitches in iPhone app?


  • Subject: Generate pitches in iPhone app?
  • From: Ken Bowlus <email@hidden>
  • Date: Fri, 27 Feb 2009 14:45:57 -0800

I'm a relative newbie to Core Audio though I have read through documentation and have used it in a Mac OS X application.

My question is whether I can do something similar in an iPhone app that I did in my OS X app. In the OS X app, I used MIDI to have the application play notes (using MusicDeviceMIDIEvent). I realize that MIDI is not supported on iPhone so I'm wondering if there is a way to have pitches generated by my app without using MIDI. It appears to me that I have to have some sort of sound files that contain the pitches that I need. This may be an obvious question if the only way to generate pitches from an application is by using MIDI.

The reason that I would like to do it this way is because it was very easy to vary the length that that pitch is played. If I had separate sound files for each pitch I'm not sure how I would vary the length of the pitch. Would I have to have separate sound files for each?

If anyone have any information regarding this and can point me in the right direction, it would be much appreciated.

Thanks,
Ken Bowlus
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