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Yehuda Shiran April 23, 2001
Finding FlashSound Object ID
Tips: April 2001

Yehuda Shiran, Ph.D.
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FlashSound gives a unique ID to each sound instance. This property is called playerID. The playerID is in the form of "FlashSound_swf" plus an index starting at 0. For example, the first SWF embedded on the page with embedSWF() has playerID of "FlashSound_swf0", and the second would be "FlashSound_swf1".

As a reminder, in order to sonify your page, follow this recipe:

  • Make sure you have the Flash player. 96% of the surfing population already has it. Download.
  • Include flashsound.js in the HEAD section. Download.
  • Create a flashsound object in the HEAD section.
  • Embed your SWF file in the BODY section.
  • Create an anchor tag and set the onmouseover event handler to the TGotoAndPlay() method.

The following links alert their respective sound instance's playerID. Mouse over the left one. Its playerID should be FlashSound_swf0. The playerID of the middle and right links is FlashSound_swf1. Try mousing over these links to trigger the alert boxes:

Play a Scale    Start a Looping Sound    Stop a Looping Sound

Here is the source code:

<HTML>
<HEAD>
<SCRIPT SRC="flashsound.js"></SCRIPT>
<SCRIPT>
  var mySoundObj1 = new FlashSound();
  var mySoundObj2 = new FlashSound();
</SCRIPT>
</HEAD>
<BODY>
<A HREF="javascript://" onmouseover="mySoundObj1.TGotoAndPlay('/scale-event','start');
 mySoundObj1.TGotoAndPlay('/scale-event','stop');
 alert(mySoundObj1.playerID)">Play a Scale</A>
<A HREF="javascript://" onmouseover="mySoundObj2.TGotoAndPlay('/loop-event','start');
alert(mySoundObj2.playerID)">Start a Looping Sound</A>
<A HREF="javascript://" onmouseover="mySoundObj2.TGotoAndPlay('/loop-event','stop');
alert(mySoundObj2.playerID)">Stop a Looping Sound</A> 
<SCRIPT>
  mySoundObj1.embedSWF("scale.swf");
  mySoundObj2.embedSWF("loop.swf");
</SCRIPT>
</BODY>
</HTML>

Here are links you can use to download flashsound.js, loop.swf, and scale.swf:

Download flashsound.js

Download loop.swf

Download scale.swf


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