On Apr 6, 2009, at 9:11 PM, Chris Double wrote:

On Tue, Apr 7, 2009 at 3:40 AM, Eric Carlson <eric.carl...@apple.com> wrote:
Media time values are expressed in normal play time (NPT), the absolute
position relative to the beginning of the presentation.

I don't see mention of this in the spec which is one of the reasons I
raised the question. Have I missed it? If not I'd like to see the spec
clarified here.

I thought this was explicit in the spec, but maybe I am thinking of the discussion of "effective start" in a previous revision?

  In any case, I agree the wording should be clarified.

eric


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