Re: Generating variable frequency tones
Re: Generating variable frequency tones
- Subject: Re: Generating variable frequency tones
- From: Remco Poelstra <email@hidden>
- Date: Fri, 10 Sep 2010 15:09:07 +0200
Op 9 sep 2010, om 21:58 heeft Remco Poelstra het volgende geschreven:
> I'm looking for some way to generate a tone that resembles the sound of an instrument. I need precise control of the base frequency (pitch). I'm wondering what would be the best way to generate it on an iPhone.
> Store a file with a know frequency and resample it to the desired frequency? Synthesize a tone by calculating a bunch of sines? Doing some FFT trick on a file?
> If someone can give some insight into what would best fit the H/W available it would be grateful.
Hi,
Thanks for all replies. Given the answers, it had less to do with Cocoa than I thought, or can be solved perfectly in a non-Cocoa specific way on the iPhone. Seems that Core Audio will be the way to go.
Regards,
Remco Poelstra
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