Reactable a multi-user electro-acoustic music instrument

Martin Brinkmann
Mar 7, 2007
Updated • May 30, 2013
Music and Video
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Rectable looks so damn futuristic that I had a hard time believing it was a concept of our time. The reactable hardware is based on a translucent round table.

A video camera situated beneath it analyzes the table surface continuously, tracking the nature, position and orientation of the objects that are distributed on its surface. These objects represent the components of a classic modular synthesizer.

The objects are passive without any sensors or actuators, users interact by moving them, changing their position, their orientation or their faces (in the case of volumetric objects).

Actions control the topological structure and parameters of the sound synthesizer directly and in real time. A projector, also from underneath the table, draws dynamic animations on its surface that provides a visual feedback of the state, the activity and the main characteristics of the sounds produced by the audio synthesizer. Enjoy the show.

Update: Rectable is now also available as a smartphone application for Apple iOS and Google Android devices. The application is not free but still highly popular in both stores. The apps provide you with a similar experience even though it is limited in comparison to using a physical reactable setup where you create sound by placing elements on the table. Here, you place virtual elements on the same table structure.

The reactable website offers downloads and sound track videos from artists who are using the table to create music. Here you find a couple of interesting and great sounding tracks. While you are free to watch and listen to the music videos posted on the side, you can't download all tracks to your PC as at least some are limited to users of the mobile app. The community is however an interesting starting point to explore what the tablet has to offer.

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Comments

  1. Anonymous said on August 1, 2010 at 12:43 pm
    Reply

    Why not make use of the mplayer.conf?

  2. Mike J said on August 1, 2010 at 2:58 pm
    Reply

    Huh, I have never even seen this “font cache” pane; videos play at once for me, using VLC & XP SP3.

    1. Martin said on August 1, 2010 at 3:39 pm
      Reply

      Mike, in theory this should have only been displayed once to you, at the very first video that you played with VLC. The time this window is displayed depends largely on the number of fonts in your font directory.

      1. Mike J said on August 2, 2010 at 2:30 pm
        Reply

        huh, I lucked out for a change?? Amazing!!
        Apparently VLC keeps this info through version updates, but I didn’t see this message after a fresh OS install about 8 weeks ago, & a new VLC.

  3. myo said on August 1, 2010 at 5:52 pm
    Reply

    yes, yes, i have the same problem. sometimes, VLC crashes when it is playing .mov file.

  4. Kishore said on August 13, 2010 at 2:55 pm
    Reply

    Error:
    Buidling font Cache pop-up

    Solution:

    Open VLC player.

    On Menu Bar:

    Tools
    Preferences

    (at bottom – left side)
    Show settings — ALL

    Open: Video
    Click: Subtitles/OSD (This is now highlited, not opened)
    Text rendering module – change this to “Dummy font renderer function”

    Save
    Exit

    Re-open – done.
    Progam will no longer look outside self for fonts

    Source – WorthyTricks.co.cc

    1. Martin said on August 13, 2010 at 3:10 pm
      Reply

      Great tip, thanks a lot Kishore.

  5. javier said on August 14, 2010 at 1:50 pm
    Reply

    @Kishore, I’ll try your tips, but does this mean it will no longer show subtitles either?
    I do use subtitles, but the fontcache dialog box pops up (almost) everytime I play a file.

    Could this be related to the fonts I have installed? Or if I add/remove fonts to my system?

    I’ll try to do a fresh install also, if your tips does no work. I’ll post back here later…

    /thanks
    /j

  6. Kishore said on August 15, 2010 at 12:38 pm
    Reply

    @ Javier, The trick i posted will show up subtitles too. If not,

  7. Kishore said on August 15, 2010 at 12:39 pm
    Reply

    @ Javier, The trick i posted will show up subtitles too. If not,Dont worry, VLC is currently sorting out this issue and the next version will be out soon.

    No probs @ Martin !! Its my pleasure

  8. Ted said on October 22, 2010 at 3:57 am
    Reply

    Try running LC with administrator privileges. That seemed to fix it for me

  9. Evan said on December 8, 2013 at 1:48 am
    Reply

    I am using SMplayer 0.8.6 (64-bit) (Portable Edition) on Windows 7 x64. Even with the -nofontconfig parameter in place SMplayer still scans the fonts. Also, I have enabled normal subtitles and it is still scanning fonts before playing a video. Also, it does this every time the player opens a video after a system restart (only the fist video played).

  10. Mike Williams said on September 6, 2023 at 1:26 pm
    Reply

    Does that mean that only instrumental versions of songs will be available for non-paying users?

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