Conference in Cloud and online meeting technology

[Benjamin Warfield]

I recently saw an excellent short presentation over Zoom using index cards
as the presentation material. The speaker was visible and (extremely)
engaging most of the time, and when a visual was needed, they held a
hand-drawn card up toward the camera. Not necessarily workable for all
types of talk, but a pretty solid approach for the content being delivered
in that case.

    --Ben

On Wed, May 27, 2020 at 8:12 PM Timm Murray via yapc <yapc at pm.org> wrote:

> I gave OBS a try on Windows for a Zoom presentation.  Since they got a
> bunch of extra scrutiny over security recently, they started denying taking
> video sources from unsigned drivers.  That includes the OBS plugin that
> presents itself as a webcam to the rest of the system.
>
> That was about a month ago, so not sure if it's been worked out.
>
> On Wed, May 27, 2020 at 7:04 PM B. Estrade via yapc <yapc at pm.org> wrote:
>
>>
>>
>> On 5/27/20 6:34 PM, Steven Lembark via yapc wrote:
>> >
>> >> On #yapc, Todd has already mentioned that if you're presenting over
>> >> Zoom and you're sharing slides from your laptop screen, the refresh
>> >> rate of those slides is much slower than what you would normally
>> >> desire.  Hence, you are advised to have fewer transitions among (or
>> >> within) slides than you would if you were plugging your laptop into a
>> >> conference-quality data projector.
>> >>
>> >> Can other people confirm that that is good advice?  (I suspect this
>> >> is not limited to Zoom.)
>> >
>> > I haven't seen that at all presenting here at the LUG. Your computer
>> > seems like a nice platform for testing throughput (e.g., not on fiber,
>> > not the most modern).
>> >
>> >> Also, slide layout and typography:  What have people found works best
>> >> over Zoom?  My impression so far is that I can get away with my
>> >> normal fonts in my slides -- but that if I go share my terminal, the
>> >> font, font size and background color need to be chosen more carefully
>> >> than usual.
>> >
>> > So far my usual format (black line across the top, sparse black-on-
>> > grey below) seems to look decent.
>> >
>> >> What have people learned with respect to sharing your screen, both in
>> >> slides and in terminal?
>> >
>> > The main issue is that people see you (sort of) or the slides but not
>> > both. A big part of my keeping people awake is moving around,
>> > interacting with people in the audience. With Zoom it's my voice
>> > droning along with the slides. The best way I've found to keep things
>> > moving is progressive slides, with the content updating 3-5 times
>> > per slide. If refresh rates are that much of an issue then that may
>> > prove to be a bad idea...
>>
>> Recently I've seen people doing nice things using Open Broadcast
>> Platform (OBS). Apologies if this has been mentioned. For Zoom it seems
>> you need to install some sort of virtual camera plugin for Zoom to
>> target, but OBS is really meant to live stream (1984Tube, twitch, etc).
>>
>> That said I've not been able to get it to work myself on Mac (it might
>> have something to do with graphics acceleration, not sure). The examples
>> I've seen have been from Ubuntu and when it works, it's very nice and
>> create quite an interactive and professional looking environment. This
>> includes streaming videos playing on the host, etc. YMMV.
>>
>> Also for Zoom, like most I've been on some pretty large calls these daze
>> and the general advice is that everyone mutes their mic and turns off
>> their camera to be thrifty with the explosion of bandwidth.
>>
>> Brett
>>
>> >
>>
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