Re: Book suggestions, docs etc...
Re: Book suggestions, docs etc...
- Subject: Re: Book suggestions, docs etc...
- From: Nick Haddad <email@hidden>
- Date: Wed, 8 Feb 2006 16:36:02 -0500
You may want to check out the source code for Audacity (http://
audacity.sourceforge.net/) for an example of how they do waveform
drawing. Of course if you are creating code for commercial use be
careful how much code you borrow, as Audacity's creative common
license (http://creativecommons.org/licenses/by/2.0/) has some
restrictions.
Also for dsp you can check out musicdsp.org for a nice set of free
dsp algorithms.
-nick
On Feb 8, 2006, at 4:04 PM, Mark Pauley wrote:
I've done the waveform display thing, I like to interpolate by
taking the highest sample-value per pixel bin. Not perfect, but it
generally gives pretty good looking results.
I was thinking about some sort of heap-structure to optimize for
resizing of the display, any ideas on that front? Looking at megs
of samples is a drag when you're just trying to resize the display.
For DSP intro's, I recommend the Electronic Music Tutorial by
Curtis Roads. It's a long read, but very thorough on a whole lot
of topics.
_Mark
On Feb 7, 2006, at 7:00 PM, email@hidden wrote:
Hi,
Can anyone suggest a book on CoreAudio or additional documentation
-- other than the official Apple stuff that I can read up on?
Also, does have any advice on general DSP books? I need to read
up on things like rendering waveforms as images fast. It is
really hard to write code to show a waveform in 1000 pixels when
the source material is several megabytes. There must be some
standard industry books on routines and examples on how to do that
sort of thing? no? I am a long time programmer, but really new to
audio stuff, so I am kind of a newbie.
Thanks.
John
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