2.1.453 Part 1 Section 19.4, anim:audio-level
a. The standard defines the attribute anim:audio-level, contained within the element <anim:audio>
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This attribute is not supported in PowerPoint 2013, PowerPoint 2016, or PowerPoint 2019.
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a. The standard defines the attribute anim:audio-level, contained within the element <anim:audio>
This attribute is not supported in PowerPoint 2013, PowerPoint 2016, or PowerPoint 2019.