audio file embed

I am embedding a audio file and having a issue. When accessing the page where the audio file is on some web browsers i am prompted to download a quicktime plugin. I don't want anyone to need a plugin to play it or id at least want it in a format where most people already have the plugin. Here is how i embedded it:

<EMBED src="http://ente开发者_Go百科rsociety.com/wordpress6/demo6/wp-content/themes/Brodys/images2/08_Track_8.mp3" autostart=true hidden=true>

I want to keep it hidden and have it auto start.

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Not all browsers will be able to play MP3 files natively. Your best bet is to use multiple formats to support the most amount of browsers possible:

<audio hidden autoplay preload="auto"> 
  <source src="elvis.mp3" />
  <source src="elvis.ogg" />
  <!-- now include flash fall back -->
</audio>

But in short, embedded audio is still very much a work in progress for most browsers and their support for formats is all over the place.

This article shows the native support per browser: http://www.w3schools.com/html5/html5_audio.asp

Edit: WAV seems to be the most heavily supported - but is probably going to come with size impacts compared to MP3, and still isn't supported by IE.