[FoRK] announce: y! + xspf

Lucas Gonze lgonze at panix.com
Thu May 12 14:48:46 PDT 2005


On Thu, 12 May 2005, Luis Villa wrote:
> Ken, if you're curious, you might want to check out
>
> http://www.annodex.net/
>
> which allows you to not just annotate audio/video, but also hyperlink
> to specific points in a stream

Yeah, the annodex stuff is really good.  We argued about whether to adopt 
it but in the end no developers stepped forward to say they'd implement 
what we made up.

hint.  :)

- Lucas

- so you could write in your blog 'there
> was a really funny <a
> href="stream.wmv#just_after_second_ad_break">moment</a> in
> the daily show last night' and such. Cool stuff, though of course not
> adopted yet by anyone, really... :/
>
> Luis
>
> On 5/12/05, Ken Meltsner <meltsner at gmail.com> wrote:
>>> On 12-May-05, at 1:33 PM, Lucas Gonze wrote:
>>>> I dunno about realtime streaming in general. There isn't much internet
>>>> audio/video that needs to be real time,
>>
>> [Disclaimer: this stuff is new to me, so I'm probably going to say
>> stupid things.  That's how I learn....]
>>
>> Video has its own real-time metadata as well -- "closed" (text)
>> captioning comes to mind; descriptive audio might be another.  I have
>> a decent handle on how this is included in traditional analog
>> broadcasts, and it's got to be straightforward to piggyback additional
>> info using time codes onto a recorded piece (external annotation), but
>> how does metadata get carried with streaming formats?  Streaming
>> video/audio, I assume, works by breaking up a feed into a series of
>> frames, with special frames reserved for metadata.  Or does it wedge
>> the metadata into each frame, sort of like using the unused portion of
>> a TV field for other purposes (e.g. captioning)?
>>
>> Which reminds me, in the senile manner that I've adopted since hitting
>> forty: A long time ago, the MIT Media Lab had a project that used
>> caption text to index news programs.  This was analog TV + captions,
>> not any new-fangled metadata stream, of course.  Could your playlist
>> format include the equivalent -- lyrics as well as band info, for
>> example, or an educational text track describing the techniques used
>> by the sitar player, or the imagery in a recurring motif?  Music
>> teachers and budding pop culture specialists around the world would
>> love it....
>>
>> And overextending things, could a playlist format like this be used to
>> combine visuals (e.g. PPT slides or handwriting) in sync with the
>> audio track?  Or this is all covered by SMIL, which I sorta'
>> understand since it's just XML after all, and not relevant to the
>> current topic?
>>
>> Ken Meltsner
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