Example video trailer for video recordings at the Linux Audio Conference 2012.
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http://vimeo.com/37900660
http://download.linuxaudio.org/lac2012/
http://lac.linuxaudio.org/2012/

**Wanted**
  audio soundtrack @ 48kHz samplerate
  uncompressed (.wav, .aiff,..) >= 16bits/sample
  stereo
  exactly 8 seconds long.
  copyleft licensed: allow linuxaudio.org to freely use the soundtrack.
  (yes, we will give you credit on the LAC website.
   no, we won't add your name to this trailer-video.
   The conference-videos which will feature the trailer will be licensed in
   terms of the Creative Commons Attribution-ShareAlike 3.0 Unported License
   with attribution going to linuxaudio.org.)

**How to answer the call**
  Submit your soundtrack by email to lac@linuxaudio.org 
  using the subject "LAC trailer", before April 1st 2012.
  (that is Saturday, March 31 23:59:59 UTC 2012)

  Either attach the audio file (it should be < 2MB) to the email
  or send us a link to where we can download it.

  max. 2 submissions per person.

  We'll close the call after the first 50 submissions! This is necessary
  because LAC starts in 5 weeks and we can not review more than 50
  entries in time for the conference.
  The LAC-team (current conference committee, previous organizers and 
  volunteers) - will get to vote and choose the soundtrack.

**Video files**
  Identical video content, different formats and quality.
  - lac_trailer_sample.dv     55 MB # DVCPRO (NTSC)
  - lac_trailer_sample.avi   1.6 MB # mpeg4, avi 
  - lac_trailer_sample.flv   144 KB # Flash Video, h264

**Video file information**
  NTSC - DV 720x480 [PAR 8:9 DAR 4:3 -> 720x540] [30000/1001 tbc] 29.97fps
  Duration: 239 video-frames = 8 seconds - 1 video-frame ~ 7.97 seconds
            00:00:00.00 -> 00:00:07.29

**Annotated Edit List**
  SMPTE; 29.97fps drop-frame timecode.
  # This trailer:
    00:00:00.00 -> 00:00:00.05  |  5 f. black
    00:00:00.06 -> 00:00:00.10  |  5 f. LAC logo-fade in
    00:00:00.11 -> 00:00:02.00  | 50 f. LAC logo big
    00:00:02.01 -> 00:00:02.25  | 25 f. LAC logo scale, CCRMA logo fade-in
    00:00:02.26 -> 00:00:03.00  |  5 f. text fade-in, start waveform line
    00:00:03.01 -> 00:00:03.00  | 45 f. waveform line, static text
    00:00:04.15 -> 00:00:04.25  | 10 f. CCRMA logo flash, static text
    00:00:04.26 -> 00:00:07.15  | 80 f. static
    00:00:07.16 -> 00:00:07.25  | 10 f. fade-out
    00:00:07.26 -> 00:00:07.29  |  4 f. black
  # The /actual/ video will start at 00:00:08.00.

**Video license**
  This video is copyright 2012 linuxaudio.org.

  It was created with lactrail - the LAC Video Trailer generator.
  http://rg42.org/gitweb/?p=lactrail.git

  It can be [re]distributed freely and used for experimenting and sound-design.
  However use of the linuxaudio.org logo depicted in the video is prohibited 
  without prior written approval by the linuxaudio.org director and/or the
  linuxaudio.org management board.
  This includes advertising or other potential uses including those not
  described above. Please contact us for an approval prior to its utilization.

  The linuxaudio.org logo and its variations are copyright 2006 Thorsten Wilms.
  CCRMA logo used by permission. All rights reserved.

  http://linuxaudio.org/logo
  http://linuxaudio.org/contact

  The conference videos which will feature the trailer will be licensed in
  terms of the Creative Commons Attribution-ShareAlike 3.0 Unported License.


2012-March-05 robin@linuxaudio.org