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<h2 align=center>Sound</h2>
Sound object represents actual sound data.


<tr><td><a href=#fadeout>fadeout</a></td><td> -
fadeout all channels playing this sound</td></tr>

<tr><td><a href=#get_num_channels>get_num_channels</a></td><td> -
number of channels with sound</td></tr>

<tr><td><a href=#get_volume>get_volume</a></td><td> -
query volume for sound</td></tr>

<tr><td><a href=#play>play</a></td><td> -
play sound</td></tr>

<tr><td><a href=#set_volume>set_volume</a></td><td> -
change volume for sound</td></tr>

<tr><td><a href=#stop>stop</a></td><td> -
stop all channels playing this sound</td></tr>



<a name=fadeout><font size=+2><b>fadeout
</b></font><br><font size=+1><tt>
Sound.fadeout(millisec) -> None
Fade out all the playing channels playing this
sound over the. All channels playing this sound
will be stopped after the given milliseconds.

<a name=get_num_channels><font size=+2><b>get_num_channels
</b></font><br><font size=+1><tt>
Sound.get_num_channels() -> int
Returns the number of channels that have been
using this sound. The channels may have already
finished, but have not started playing any other

<a name=get_volume><font size=+2><b>get_volume
</b></font><br><font size=+1><tt>
Sound.get_volume() -> val
Returns the current volume for this sound object.
The value is 0.0 to 1.0.

<a name=play><font size=+2><b>play
</b></font><br><font size=+1><tt>[loops, [maxtime]]) -> Channel
Starts playing a song on an available channel. If
no channels are available, it will not play and
return None. Loops controls how many extra times
the sound will play, a negative loop will play
indefinitely, it defaults to 0.  Maxtime is the
number of total milliseconds that the sound will
play. It defaults to forever (-1).

Returns a channel object for the channel that is
selected to play the sound.

<a name=set_volume><font size=+2><b>set_volume
</b></font><br><font size=+1><tt>
Sound.set_volume(val) -> None
Set the play volume for this sound. This will
effect any channels currently playing this sound,
along with all subsequent calls to play. The value
is 0.0 to 1.0.

<a name=stop><font size=+2><b>stop
</b></font><br><font size=+1><tt>
Sound.stop() -> None
This will instantly stop all channels playing this