[plt-scheme] slideshow, sound

At Mon, 3 Mar 2008 05:36:11 -0500, "Geoffrey S. Knauth" wrote:
> On Mar 3, 2008, at 04:25, Noel Welsh wrote:
> > On Sun, Mar 2, 2008 at 9:52 PM, Geoff Knauth <geoff at knauth.org> wrote:
> >> When I show a particular slide, I want to start a sound.  How hard is
> >> this?
> > Not very.  The good Dr provides a play-sound function:
> > http://docs.plt-scheme.org/gui/ 
> > Windowing_Functions.html#(def~20((collects~20mred~20main..ss)~20play- 
> > sound))

But I can't think of a way to start the sound when a specific slide is
shown.

I think Slideshow will have to provide a new hook --- or some general
API to mediate the slide content and the slide viewer --- to make that
work.

Matthew