benoit.callebaut (Benoît Callebaut)
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Today

  • Clear sailing ahead.

Tomorrow

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Monday

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User Details

User Since
Oct 29 2014, 1:14 PM (233 w, 2 d)
Availability
Available

Recent Activity

Apr 20 2015

benoit.callebaut added a comment to T401: Axiom Beta Body.

Keep in mind that anything that looks like a turbine or a fan is very noisy... like planes

Apr 20 2015, 10:20 PM · AXIOM Beta Hardware

Apr 9 2015

benoit.callebaut added a comment to T401: Axiom Beta Body.

I don't understand how the air flow is supposed to be.

Apr 9 2015, 9:51 PM · AXIOM Beta Hardware

Apr 6 2015

benoit.callebaut added a comment to T346: Flying Camera.
  • What is the weight of the payload you want to hang under the drone ? DJI is selling a drone that can lift a 5D Mark III (6 kg max). (1 750,00 €). Full carbon fiber.
Apr 6 2015, 12:23 AM · Brainstorming

Mar 28 2015

benoit.callebaut added a comment to T346: Flying Camera.

Personally I like the idea and the approach. But from my understanding of what I read on this site, the camera is more geared towards "ground" filmmakers where weight is not such a big deal (at least up to a certain limit.)

Mar 28 2015, 11:44 PM · Brainstorming

Jan 28 2015

benoit.callebaut updated subscribers of T265: Variable ISO via frame averaging..

Note about astronomy imaging (for space telescope):
THe challenge there is capturing very faint object without having the image "damaged" by highlights. Very long exposure time are used.
caveats : On CCD sensor, you have a white line when there is a pixel that oversaturated.
caveats : On CMOS sensor, your bright spot "bleeds" on neighbouring pixels.

Jan 28 2015, 8:46 PM · AXIOM Beta Software

Jan 2 2015

benoit.callebaut updated subscribers of T224: create website translation management system in the lab.

looks like from the website it is free for open source projects

Jan 2 2015, 5:07 PM · Community

Dec 31 2014

benoit.callebaut added a comment to T136: 4K RAW PC recording.

Answer from Christophe

Dec 31 2014, 2:09 PM · 4k Raw recorder, Brainstorming
benoit.callebaut added a comment to T136: 4K RAW PC recording.

His name is Christophe Carpentier and he has one available for 200USD. Go on the page http://opencores.org/acc,view,chipmaker78. His email address is there.
I gave him the address of the apertus web site and I and investigating how get the board.

Dec 31 2014, 12:08 PM · 4k Raw recorder, Brainstorming

Dec 30 2014

benoit.callebaut updated subscribers of T136: 4K RAW PC recording.

I found ton opencores.org a project of a PCIe board with Sata connector. (http://opencores.org/project,spartan6_pcie).
External interfaces are not the correct one but the developer seems open to discussion. Board cost 200USD (got feedback from developer)

Dec 30 2014, 7:52 PM · 4k Raw recorder, Brainstorming

Dec 16 2014

benoit.callebaut added a comment to T217: Portable Mini-ITX multifunctional PC.

I thought of 2 ways of doing things without reinventing the wheel:

Dec 16 2014, 3:33 PM · 4k Raw recorder, Brainstorming

Dec 15 2014

benoit.callebaut updated subscribers of T122: reorganize wiki.

I hope the following remark (read wish list) not too off topic.
I have issues getting the whole picture of the project.
There are a lot of things discussed on the lab but I think it has one drawback. Being discussion based (at the moment at least), I feel a lack of structure. Technical and non technical subjects tends to be mixed up.

Dec 15 2014, 2:22 PM · Web Content & Documentation
benoit.callebaut added a comment to T187: Implement a system to update the various firmwares easily and safely.

Yes of course.
Once you have more detailed information I would be glad to help implements/discuss concrete design.

Dec 15 2014, 1:40 PM · AXIOM Beta Hardware
benoit.callebaut added a comment to T217: Portable Mini-ITX multifunctional PC.

I will stay on topic.
But I think that if you compare it with the Odyssey and Atomos Shogun, your solution cannot be compared to those soltutions
Shogun :196mm x 110mm x 47mm and 645g 6.8W-11W
Odyssey : 200mmx155mmx25mm, 560g 8W

Dec 15 2014, 1:36 PM · 4k Raw recorder, Brainstorming

Dec 14 2014

benoit.callebaut updated subscribers of T187: Implement a system to update the various firmwares easily and safely.

Personally I like the idea of a single button upgrade from an SD card. But like Philippe said I don't like the idea of writing 300MB to update 64 kb. Moreover, a "single button push" upgrade can be dangerous. I don't want to upgrade my camera by mistake.
But connecting it through USB to my PC and using a program to do the update is something I prefer. Like that I know that i cannot use the camera during the upgrade and I won't do any mistake (or at least less), I don't need that the camera is running to give be information about the upgrade being made.

Dec 14 2014, 8:12 PM · AXIOM Beta Hardware
benoit.callebaut updated subscribers of T217: Portable Mini-ITX multifunctional PC.

I like the idea but I have a lot of questions and remarks.

Dec 14 2014, 7:35 PM · 4k Raw recorder, Brainstorming