Re: Real-Time Audio Analysis
Re: Real-Time Audio Analysis
- Subject: Re: Real-Time Audio Analysis
- From: Brian Willoughby <email@hidden>
- Date: Sat, 22 Nov 2008 04:43:30 -0800
I would be easier to write an application which uses CoreAudio to get
the guitar audio, and then Cocoa or other normal Mac OS X programming
to display the results of your DSP math. An AudioUnit would be
necessary if you want to add your Guitar Digital Tuner to someone
else's application. AU is a spec for packaging DSP and display code
so it can be loaded into an application without compiling it in.
The CoreAudio examples should show you how to get the audio input
samples. Any of the Cocoa examples should show you how to display the
graphics.
Brian Willoughby
Sound Consulting
On Nov 22, 2008, at 02:36, Marcelo Cicconet wrote:
I would like to make Audio DSP in real time with view feedback, like
in SonogramViewDemo and WaveformViewDemo Audio Units examples. The
first project I want to implement is a Guitar Digital Tuner: so I need
to get audio from the built-in input, make some math, and view the
results in real time. It seems that Audio Units are not the right (I
mean, simplest) tool to the job, but I'm not sure... So, witch
technology should I use? What is the example at /Developer/Examples/
CoreAudio/ that could help me getting started?
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