Global Variable


A high quality, no pitch correction algorithm.


const AVAudioTimePitchAlgorithm AVAudioTimePitchAlgorithmVarispeed;


The pitch varies with rate and supports variable rates from 1/32 to 32.

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

Learn more about using Apple's beta software