Hi,
There are not really any right ways - just the fastest way to get
stuff out...
http://www.flashbrighton.org/wordpress/?p=9
http://www.flashbrighton.org/wordpress/?p=6
Can't find the drum machine article - they built one as part of a
contest with Flash Coders NY - source code here - check out the
ToneGenerator and the specific SawGenerator etc.
http://svn1.cvsdude.com/osflash/drummachine/PCMAudioLibrary/
Andre-Michelle has done some nice stuff, but not much source.
http://lab.andre-michelle.com/
These are probably okay for simple "one" off sounds, but if you are
building complex waveforms - e.g. adding lots of waves together at a
certain frequency, you may be better off building a wavetable then
reading sample values by interpolating - simple weighted addition of 2
samples indexed from an array. If you want some C++ code, then I can
dig it out for you, but the PCMAudioLibrary looks adequate...
You would have thought that FlashPlayer would have noise generators
built in for sound - they have them for images which have an extra
dimension, so are usually more processor intensive - c'mon Adobe, gimme
some audio tools already.
Hope this helps.
Glen
Andreas R wrote:
Out of curiosity, what are the "right" ways to calculate oscillations
like triangle, sawtooth and pulse? Ideally oscillation would work in
parallel with sine, so when sin=1, triangle=1, taking radians as the
frequency parameter.
Any takers?
- Andreas R
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