""An audio processing graph is a Core Foundation opaque type, AUGraph, that you use to construct and manage an audio unit processing chain. A graph can leverage the capabilities of multiple audio units and multiple render callback functions, allowing you to create nearly any audio processing solution you can imagine." - From Apple's "Audio Unit Hosting Guide For iOS"
AudioGraph is a superset of Apple's MixerHost application.
Features include:
* Mono and stereo mic/line input
* Audio effects including:
o Ring modulator
o FFT passthrough using Accelerate vDSP framework
o Real-time pitch shifting and detection using STFT
o Simple variable speed delay with using a ring buffer
o Recursive moving average filter with variable number of points
o Convolution example with variable filter cutoff frequency
* Stereo level meter
* Synthesizer example - sine wave with an envelope generator
* iOS 5 features (from Chris Adamson) including:
o MIDI sampler audio unit
o file player audio unit
o audio unit effects
* Runs on iPad, iPhone, and iPod-Touch
* Open source
* Music by Van Lawton
* Everything from MixerHost
Requirements:
* A device that runs iOS 5.x
* Headphones.
Instructions:
Launch the app and press Play.
Source code, documentation, support:
http://zerokidz.com/audiograph
Credits:
This project is derived from work by:
* Chris Adamson
* Stefan Bernsee
* Michael Tyson
* Stephen Smith
* Contributors to the Core-Audio mailing list
* Contributors to stack overflow.com
* Apple's iOS developer program,
Thank you.
Tom Zicarelli"
Currently free on iTunes:
iPads on eBay
iPod Touch on eBay
Saturday, December 10, 2011
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© Matrixsynth - All posts are presented here for informative, historical and educative purposes as applicable within fair use.
MATRIXSYNTH is supported by affiliate links that use cookies to track clickthroughs and sales. See the privacy policy for details.
MATRIXSYNTH - EVERYTHING SYNTH
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