Current Server Time: 20:31 (Central Europe)

#apertus IRC Channel Logs

2014/03/24

Timezone: UTC


00:06
Bertl
off to bed now ... have a good one everyone!
07:36
se6astian
joined the channel
07:36
se6astian
good morning
08:19
Bertl
morning folks!
10:55
sasha_c
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11:39
se6astian
hi sasha!
11:39
sasha_c
Hey Sebastian. How are things?
11:39
se6astian
good good
11:39
se6astian
lots of things on the todo list
11:39
se6astian
are you available? :)
11:40
sasha_c
Yes, I am. And you're referring to the to-do list on the wiki?
11:48
se6astian
I think the most important would be to start reviewing ou horizon 2020 application documents
11:48
se6astian
the website additions are not that urgent
11:48
se6astian
did you get the openproject account invitation from samuel?
11:48
sasha_c
Yeah, I did
11:49
se6astian
great
11:50
se6astian
some parts of the horizon 2020 application draft are already rather mature
11:50
se6astian
I think those would be great to review
11:50
se6astian
before we invite our partners to participate :)
11:50
sasha_c
sure
13:04
se6astian
ok gotta go
13:04
se6astian
see you later
13:04
se6astian
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13:07
rexbron
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13:07
rexbron
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14:07
sasha_c
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16:00
se6astian
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16:20
FergusL
hi here
16:21
sb0
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16:21
FergusL
se6astian, Bertl: can you recommend some readings, books, blogs where open-source software and hardware in solid business plans is put forward with its advantages ?
16:24
FergusL
I met a guy who is developping new music instruments, he knows foss quite well, we just need some docs about open hw and sw to make choices regarding licenses and business plans
16:38
Bertl
sorry, I don't know any specific literature about FOSS business plans
17:04
intracube
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17:20
se6astian
Hi FergusL, let me check
17:23
se6astian
I can recommend this classic: http://producingoss.com/
17:23
se6astian
not about the business side in particular though
17:23
se6astian
The Cathedral and the Bazaar : http://www.catb.org/esr/writings/cathedral-bazaar/
17:24
se6astian
since open hardware/software business is still rather young and a bit experimental I am afraid there are not the classic books you can buy
17:24
se6astian
http://www.open-electronics.org/the-truth-about-open-source-hardware-business-models/
17:25
se6astian
http://opensource.com/business/13/10/maniacal-labs-open-hardware
17:25
se6astian
but there are many resources on the internet of people sharing their experience
17:25
se6astian
http://www.cnbc.com/id/101133560
17:25
se6astian
http://prezi.com/heglgmravcde/the-business-case-for-open-source-hardware/
17:25
se6astian
http://p2pfoundation.net/Open_Source_Hardware_Business_Models
17:25
FergusL
excellent se6astian ! thanks a lot, some of these linksring a bell, maybe from the forums !
17:26
se6astian
then also pay attention to the most successful projects like: Arduino, Ardour, Parallella, Raspberry Pi, Makerbot, etc.
17:26
se6astian
and Android of course
17:27
se6astian
or the more classic open source software service models of Redhat, Suse, etc.
17:27
se6astian
as enterprise linux
17:29
FergusL
indeed yes ! they must have written some stuff too about their business model
18:01
rainer_vie
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18:04
se6astian
hey rainer!
18:04
se6astian
can you explain the differences between genlock, shutter sync and trigger to me?
18:04
se6astian
http://nofilmschool.com/wp-content/uploads/2012/10/Sony-F5-F55-Side-view-right-without-e1351587864178.jpg
18:19
rainer_vie
sec
18:20
se6astian
its strange that all I can find on the internet instructions of people scratching only the surface of the matter
18:20
se6astian
aka "if you want to sync gear together you have to use genlock"....
18:20
rainer_vie
ok...
18:21
rainer_vie
simple spoken... genlock syncs the video signal and the shutter sync the shutter
18:21
rainer_vie
in an ideal setup both is in sync
18:22
rainer_vie
plus the TC
18:22
rainer_vie
with the genlock you sync the frames coming out of the sdi ports
18:23
se6astian
I see that most cameras only have a Genlock IN (but not an OUT) so for stereo3d setups you need an external master sync generator? why not have one camera sync to second?
18:23
rainer_vie
thats right... not for the alexa... it has an extra port and cable for that
18:24
rainer_vie
but
18:24
rainer_vie
you want in a stereo setup specially that all is in sync
18:24
rainer_vie
so you take one external source which snycs all
18:24
rainer_vie
#syncs
18:24
rainer_vie
with a very stable generator
18:25
rainer_vie
if you have a camera that is stable to a maximum of 1 ppm it would fit also
18:26
rexbron
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18:26
troy_s
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18:26
se6astian
so for s3d you would actually want to sync the shutter not the sdi signal out right?
18:26
rainer_vie
no both
18:27
rainer_vie
you need to see exactly at the same time the same picture with the same shutter
18:27
rainer_vie
same frame
18:28
rainer_vie
you would get a lot of headache if it would not be sync
18:28
rexbron
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rexbron
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18:28
rexbron
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18:28
rainer_vie
keep in mind that the phase comes in here as well
18:30
rainer_vie
think on filming an old tube tv with a new camera... the small black line should be at both cams on the same position
18:31
se6astian
so for the alexa s3d setup that is one sync generator and 4 cables?
18:32
rainer_vie
at the alexa its like you want :)
18:32
rainer_vie
one is master, one is slave
18:33
rainer_vie
over one cable
18:33
se6astian
I see
18:34
se6astian
is genlock still used for anything beside s3d nowadays, I guess most broadcast solutions buffer one frame anyway so they dont care aboue all cameras being in sync for live mixing?
18:37
rainer_vie
I've nerver used it for years now... on a normal job even with more cams on set I use only TC sync... long time ago that I made a live show
18:38
se6astian
ok thanks
18:38
rainer_vie
np
18:43
rainer_vie
A battery buffer module would also a good idea. We use the ones from bebob to not interrupt power supply when changing batteries. http://www.bebob.de/Akkus-und-Ladegeraete/ML-120.html
18:45
rainer_vie
so the cam doesn't need to be rebooted when battery is changed.
18:49
rainer_vie
so the DP and all others around have always a running cam is a great thing.
18:49
se6astian
how long does the alexa take to reboot?
18:50
rainer_vie
till you can shoot and see a picture its a difference but about 20 to 30 sec
18:51
rainer_vie
but the thing is different... think of the DP is searching for a frame and is in work with the director and you have to reboot... thats not good
18:52
rainer_vie
to be able to change battery all the time and nobody takes notice is great
18:52
se6astian
agreed
18:57
rainer_vie
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19:00
rainer_vie
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20:39
rainer_vie
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21:03
sasha_c
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21:37
danieel
20-30 sec? :) i am with my x86 at 20s, with 10s being due to bios delays
21:44
sb0
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21:48
Bertl
maybe the camera has a similar bios :)
22:33
sasha_c
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22:50
se6astian
time for bed
22:50
se6astian
good night
22:50
se6astian
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