"Walter Roberson" <> wrote in message
news:f9jrag$4vg$...
> Working with sound is inherently OS specific. You will need to
> research this matter in your OS documentation or a newsgroup
> that deals with your particular OS.
>
It's IO. So inherently tied to hardware, although the same sound could be a
compression wave in air, or an electrical impluse on a phone line, or some
sort of visual representation for deaf people.
However there is no reason why portable audio interfaces cannot be
developed.
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