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I am developing an app for the iPhone/iPad using Xcode and iOS 5. Can anyone suggest any third party libs to do this, or give me some direction as to how to natively do it?

Almo
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LilMoke
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2 Answers2

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You can use Bass and Bass_fx library for changing pitch/tempo in real time.

You can download this library from http://www.un4seen.com/.

You can use following function for Pitch and tempo setting

BASS_ChannelSlideAttribute(mainStream, BASS_ATTRIB_TEMPO_PITCH, 0.0, updatePeriod);

which is available in Bass library.

Devang
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Try using this sdk http://www.izotope.com/tech/iZomobile/ it uses audioqueue bit complicated yet powerfull

Dushyant Singh
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