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[Bug 21326] New: Encourage x-fades or at least v-fades.

From: <bugzilla@jessica.w3.org>
Date: Mon, 18 Mar 2013 23:31:52 +0000
To: public-html-media@w3.org
Message-ID: <bug-21326-5436@http.www.w3.org/Bugs/Public/>

            Bug ID: 21326
           Summary: Encourage x-fades or at least v-fades.
    Classification: Unclassified
           Product: HTML WG
           Version: unspecified
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Media Source Extensions
          Assignee: adrianba@microsoft.com
          Reporter: pal@sandflow.com
        QA Contact: public-html-bugzilla@w3.org
                CC: mike@w3.org, public-html-media@w3.org

"3.5.9 Audio Splice Frame Algorithm" suggests adding a "silence frame" if
x-fading is not available. This will lead to extremely harmful artifacts if the
signal in either the track buffer or append segment contains any energy.

The specification can instead recommend v-fades, where each of the track buffer
and append segment signals are independently faded to 0 around the splice
point, as a simpler alternative to x-fades where overlap between the two
signals is used.

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Received on Monday, 18 March 2013 23:31:53 UTC

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