>> Maybe to make this more clear section 4.8.7.1 should add a sentence >> somewhere like:
>> Authors may provide multiple source elements to provide different codecs for >> different user agents. Could multiple source elements also be used to provide different bit-rate sources (or even alternative versions, e.g. different languages) as well as different codecs, something like the HTTP streaming playlist idea? Sam Dutton http://www.bbc.co.uk/ This e-mail (and any attachments) is confidential and may contain personal views which are not the views of the BBC unless specifically stated. If you have received it in error, please delete it from your system. Do not use, copy or disclose the information in any way nor act in reliance on it and notify the sender immediately. Please note that the BBC monitors e-mails sent or received. Further communication will signify your consent to this.
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