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Re: [whatwg] <audio> metadata

From: Kevin Marks <kevinmarks@gmail.com>
Date: Sun, 23 Apr 2017 20:04:12 +0100
Message-ID: <CAD6ztsr+JOhku=ExXnE14K3jJPFQmiughS3_GNwekFADmTx54g@mail.gmail.com>
To: Andy Valencia <ajv-cautzeamplog@vsta.org>
Cc: WHAT Working Group Mailing List <whatwg@whatwg.org>
On Sun, Apr 23, 2017 at 5:58 PM, Andy Valencia
<ajv-cautzeamplog@vsta.org> wrote:
> === Dynamic versus static metadata
> Pretty much all audio formats have at least one metadata format.  While
> some apparently can embed them at time points, this is not used by any
> players I can find.  The Icecast/Streamcast "metastream" format is the
> only technique I've ever encountered.  The industry is quickly shifting
> to the so-called "Shoutcast v2" format due to:
>     https://forums.developer.apple.com/thread/66586
> Metadata formats as applied to static information are, of course, of
> great interest.  Any dynamic technique should fit into the existing
> approach.

There are lots of models for dynamic metadata - look at soundcloud
comments at times, youtube captions and overlays, Historically there
have been chapter list markers in MPEG, QuickTime and mpeg4 (m4a, m4v)
files too.
Received on Sunday, 23 April 2017 19:04:48 UTC

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