iPhone OS Reference Library Apple Developer Connection spyglass button

Version: 1.11

Posted: 2009-09-08

Build Requirements: iPhone SDK 2.2.1 or later

Runtime Requirements: iPhone OS 2.2.1 or later

View Source Code:

Download Sample Code (“aurioTouch.zip”, 164.1K)


Description

The code uses:

the AU Remote IO audio unit to get the audio input and copy it to the output

the UI presents:

- Oscilloscope view of the audio

- time domain

- frequency domain

- Scrolling sonogram of the audio

- Mute button to turn on/off the play through

Document Revision History

Date Notes
2009-09-08Fix DC offset bug
2009-08-05Updated for 2.2.1 SDK
2009-07-07Fix to handle >512 sample slices.
2009-04-23Corrected incorrect pointer size value used with glTexCoordPointer
2009-03-30Fixed bad cast in rioInterruptionListener and missing variable initialization in the FFT class
2008-12-23Minor editorial update
2008-11-12use CFURLCreateWithFileSystemPath, not CFURLCreateWithString
2008-11-05sonogram view now has button, no more double tap to switch
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