[hackerspaces] hackerspaces meetup? / 2 video linked conferences?

Georges Kesseler georgeskesseler at yahoo.com
Sat May 22 09:26:12 CEST 2010

I have been doing video chat with H261 (the codec included with old vic)
about 10 years ago and it was quite fluid.
I hope with H264 this should be possible with a decent screen size and
frame rate over today's classic DSL.
So you don't need huge bandwidths for sending mainly a static picture of
an office with ~3 people moving around.

Ekiga supports H.264 and up to SD quality (which I think is enough for
the beginning and costs less to implement).


Matt Joyce wrote:
> It's not really DIY at 50Mbps.
> =P
> On Fri, May 21, 2010 at 5:17 PM, Sylva1n <sylv41n at gmail.com
<mailto:sylv41n at gmail.com>> wrote:
>     Streaming talks is nice, but allows not much interactivity, except
>     asking question through IRC during Q&A sessions ... not much better
>     than watching said talks on youtube days or moths later.
>     OTOH, with a good net connexion (>50Mb) and some beefy hardware,
>     shouldn't it be possible to setup at least 3 or 4 small to medium size
>     rooms, with bidirectional HD video (720p-ish), where transatlantic
>     workshops and/or panel discussions could take place ?
>     Such DIY-telepresence could be a great demonstration of what ingenuity
>     can do to reduce drastically the number of unnecessary transatlantic
>     flights.
>     Wikipedia indicates a 14 Mbps bitrate for h264/base
>     profile/1280×720 at 30fps, has any of you experience with streaming as
>     such bitrate ?
>     Can a modern 6-to-8 core machine do real-time transcoding from a
>     webcam (eg. Logitech PRO 9000, 960x720 at 13fps) through x264 at such
>     rate ?
>     How hard is it to set-up a 50 Mbps reliable transatlantic IP link ?
>     Can a neighborly-friendly ISP carry such load, or do you have to make
>     special arrangements with a transit provider or ask an academic
>     network ?
>     On Fri, May 21, 2010 at 3:07 PM, Elmar Lecher <mc.fly at ramdrive.org
<mailto:mc.fly at ramdrive.org>> wrote:

More information about the Discuss mailing list