low level sound file access somehow?
low level sound file access somehow?
- Subject: low level sound file access somehow?
- From: Ben Dougall <email@hidden>
- Date: Sun, 9 Jan 2005 14:34:47 +0000
hello,
how can i get low level access to sound files? with images you can
access them on a pixel by pixel basis knowing where in the image the
pixel is and the value(s) of a particular pixel, once having found out
the format details. how can i go about that with sounds?
is it possible to do that for numerous sound formats using core audio?
(core audio, one of who's features is to act as an in between, hiding
details/particulars of various sound formats from you right?) i'm not
even completely sure what the basic parameters of sound are. with
images you've got so many pixels by so many pixels all of which are a
particular depth and the number of channels (the number of values per
pixel). does core audio allow you to get that type of information about
a specified sound file, and then access it in the kind of basic, raw
way i'm describing? if so roughly how, if not any suggestions how to go
about that?
so what i'm hoping for is that core audio can kind of channel various
sound formats into a standardised basic format, shielding you from
various sound format (aif, mp3 etc) details, give you the "dimension"
details of the particular sound you're looking at, and then allow you
to access that sound "pixel" by "pixel".
any ideas / pointers to relevant documentation much appreciated.
thanks, ben.
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