[Gllug] Linux - Sound

[Peter Childs]

    I would like to be able to do some work with sound under linux.
    Basically what I need to do is take the sound from the sound card 
and analyse it. I need to frequency analyse it to get some information 
from it ( 5 tones radio call sign identification if anyone's 
interested). I can do this analysis with a a fourier transform algorithm 
(which i have).
    My problem is in getting the sound from the sound card to the 
algorithm. Linux sound seems so unstandardised working out how to do it 
is dreadful.
    I'm using thin clients and nasd, and I also have arts working on my 
thin clients, I could use a standalone for this job however there seems 
to be two different sets of sound card drivers for linux both of which 
talk in different ways.
    So what is the best way of driving the sound card in linux when 
there are so many different ways of going about it. Currently I can play 
wav files in Qt but ideally I need to be able to cope with other sound 
formats, Basically I want a standard do it all api  for sound, Something 
that can do for sound what gtk or qt does for graphics....

    Any ideas for better places to look/ask or any solutions (i've 
googled with no effect)
    thanks

Peter Childs
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