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<nettime-ann> xxxxx workshop_21_22 Berlin: High frequency sniffing and C
m on Tue, 7 Aug 2007 17:25:14 +0200 (CEST)


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<nettime-ann> xxxxx workshop_21_22 Berlin: High frequency sniffing and Cinelerra


.

A (more-or-less) weekly series of constructivist workshops emphasising
making and connection within the field of the existent.

Upcoming:

11th August 2PM: High frequency (0.1-2.5 GHz) sniffing and spectral
analysis with ap/xxxxx. Details below

18th August 2PM: Free software video editing with Cinelerra and Florian
Cramer. Details below

Summer highlights: Collective radio telescope construction, GNU Emacs
(again) and... noise_produce summer edition. 5/6/7/8 September (see below)

... or contact if you're interested in leading a related workshop.

//<-------------------------------------------------

11th August 2PM: High frequency (0.1-2.5 GHz) sniffing and spectral
analysis with ap/xxxxx. 

A practical examination of wide band, high frequency RF/EM emissions
in a small part of Berlin. Participants will construct a sensitive
high frequency sniffing device based around the tiny Analog Devices's
AD8313 logarithmic detector chip which provides an audio signal
output for recording, ambient use (en route) or spectrum analysis.

Participants will construct a simple, surface mount component-based
board which can then be used as a portable sniffer. We will also
examine further amplification and antenna designs: the famous cantenna
perhaps, or humble dipole. Finally, Baudline software will be used to
analyse local signal spectrum.

Requirements: All tools provided, a Baudline equipped laptop would be
helpful

References: 

http://www.baudline.com/

http://f6bon.albert.free.fr/Milliwattmetre.html

http://www.analog.com/en/prod/0%2c%2c770_847_AD8313%2c00.html

http://www.turnpoint.net/wireless/cantennahowto.html

http://www.engadget.com/2005/11/15/how-to-build-a-wifi-biquad-dish-antenna/

Course fee: 18 euros including all parts

Please RSVP m {AT} 1010.co.uk to reserve places as soon as possible

//<-------------------------------------------------

18th August 2PM: Free software video editing with Cinelerra and
Florian Cramer

Cinelerra, free/open source video editing heavyweight:

Cinelerra is _the_ program for semi-professional and professional
video editing and compositing on Linux. Thanks to many years of
development and a substantially improved community version
http://cvs.cinelerra.org, it has matured into a free alternative to
such proprietary heavyweights such as Final Cut, Premiere and Avid
Express. It is also interesting as a free (as in speech and beer)
upgrade to iMovie-style, artistically limited video editing programs.
On top of non-linear, non-destructive, multi-track,
resolution-independent editing of SD and HD formats and keyframed
parameters and effects, it integrates a compositing engine with
virtual "cameras" and "projectors" and can use spare additional
computers as a "render farm". Seamlessly integrating
multitrack-layering and compositing into its editor, Cinelerra lends
itself particularly to artistic/experimental video work.

Caveats: Cinelerra is overkill for simple trimming/adjustment of video
files or camera recordings. (avidemux, Kino, and kdenlive are more
suitable free software solutions for this task and will be briefly
covered in the workshop.) It is also a bottomless pit of resource
hungriness. Your PC or laptop should have at least 1 GB RAM, a Pentium
M/Centrino with at least 1.5 GHz, Athlon 64 or PowerPC G5  with at least
2 GHz, Pentium 4 with at least 3 GHz; Core Duo or Athlon 64 X2 CPUs are
preferable.  

The workshop is open to people who are curious about Cinelerra and just
want to listen. Active participants however are expected to be
Linux-savvy and have a CPU-optimized version of Cinelerra-CV up and
running on their computer. (For Debian, the packages from
http://www.kiberpipa.org/~minmax/cinelerra/ are recommended,
http://www.kiberpipa.org/~minmax/cinelerra/builds/pentiumm/ for PCs with
Intel Centrino and Core Duo; in Gentoo, run "emerge cinelerra-cvs"; for
other distributions see http://cvs.cinelerra.org/getting_cinelerra.php.)

In order not to get delayed and sidetracked, there will be no
installation support in the workshop.

Further reading:

http://en.wikipedia.org/cinelerra [overview], 

http://cvs.cinelerra.org/docs.php [Cinelerra manual],

http://osvideo.constantvzw.org/ [Open Source video project of the
Brussels-based artist project Constant, with various resources on
Cinelerra].

Course fee: 10 euros

Please RSVP m {AT} 1010.co.uk to reserve places as soon as possible


//<-------------------------------------------------

noise_produce summer edition. 5/6/7/8 September:

Four days of advanced construction of noise (any) electronic apparatus
using all manner of techniques (including free software PCB schematic
design and etching, AVR/ATmega microcontrollers). Audio project work or
computer interface appreciated. Full technical support, potential
circuits, advice and parts provided. There may be a final performance.

Please register with projects now.

---

Background:

A weekly series of constructivist workshops emphasising making and
connection within the field of the existent.

Workshops led by field-expert practitioners extend over realms of code
and embedded code, environmental code, noise, transmission and
reception, and electromysticism. Workshops solely utilise free
software and GNU toolbase.

Practitioners include Julian Oliver (http://selectparks.net/), Derek
Holzer (http://soundtransit.nl), Jeff Mann (http://jeffmann.com),
Martin Howse (http://1010.co.uk), Fredrik Olofsson
(http://www.fredrikolofsson.com/), superfactory
(http://superfactory.biz), Florian Cramer
(http://cramer.plaintext.cc:70/), Brendan Howell

Please RSVP m {AT} 1010.co.uk to reserve any places or register
interest. Please forward.

xxxxx, pickledfeet, Linienstrasse 54, Berlin 10119

U2, Rosa-Luxemburg-Pl.
U8, Rosenthaler Pl.

Telephone: 3050187482. 

http://1010.co.uk/workshop.html

http://1010.co.uk/xxxxx_research_institute.html

http://pickledfeet.com
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