Using other sound generation tools

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Using other sound generation tools

Object audio-player allows the use of other sound generation tools with little modification to the AFL primitives. PLAY-NOTES is a simple C program that plays a short beep when called with a set of arguments. A foreign function interface to this C function provides the Lisp counterpart:


To create an audio player that uses the above to generate sounds, we can write:


We can now turn this object on or off, and also change the note that is played by executing:


Finally, we can implement a new component space around this audio-player object, called the play-notes-space, with its local state etc., and manipulate it using AFL constructs.

TV Raman
Thu Mar 9 20:10:41 EST 1995