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BOOK: Professional Android Application Development ISBN: 978-0-470-34471-2
This is the forum to discuss the Wrox book Professional Android Application Development by Reto Meier; ISBN: 9780470344712
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Old May 26th, 2009, 03:04 PM
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Default Custom Equalizer Problem

Hi all. I read the book and I really liked it but now I'm trying to make something I bit more complicated. I'm trying to make a custom equalizer that works for the whole phone (so for all the media played, and maybe except the phone calls because that's secured I think).
Someone of IRC said this:
Quote:
the way equalizers work is that you take the time-domain sample input stream, transform it to the frequency domain, tweak the levels in the freq range you want to alter, re-transform back to the time domain, and feed the result back into the audio pipelline
How do I get access to the media output, and how do I transform that to a frequency domain and tweak the levels?
I'd like to do this using the android like in the book so, if possible, no C++ stuff.
Any ideas?
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