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Sync Video and Lights without Timecode

Sync your Fixture Colors with a Live Video Stream

Ever wanted to quickly sync your video and lights? Sure you could use a timecode but sometimes you just don't get the time to do it the hard way. And what could you possibly do if you got an interactive video? In this case forget about timecode, you really need to do real-time video analysis. Ouch. The good news is that Lightjams can do it for you in just a few clicks!

Walkthrough

1. Global Configuration

Access the video input configuration by going to View/Configuration.

Video In: Select the video input device you want. To add a new device, like a usb webcam, just plug it and hit the refresh button.

High noise: When using a video source like a webcam, the capture can contain lots of noise due to poor lighting condition and low cost hardware. To compensate for this quality loss, Lightjams can average multiple images at the cost of being a little bit slower in fast color change detection.

Rotate and mirror: For your convenience, you can rotate and mirror the video stream if the camera is upside-down or in any other strange position.

Live Preview: Once a video input is selected you should see the live stream.

The video input configuration panel

1.1 Webcam Tip

For better result and higher framerate, disable any auto light parameter. Instead, manually adjust the exposure time and gain to best fit your setup.

2. Link to any slider

Select any slider and click on the video icon. Then you'll be able to play with all video settings.

Select the video input mode

3. Play

Colors are analyzed in the HSL model - in Lightjams, the L has been renamed I for intensity instead of lightness. You can use any parameter individually. For example, you may want to only use the hue and set a fixed saturation value to compensate for the webcam capture quality loss.

Overall: This is the primary color from the whole video stream.

9 Zones: These zones correspond to actual regions of the video stream. They are like a real-time low res representation of your video. For each zone, you see the detected color.

For each color, you can click on the H, S or I buttons to select it.

See video colors in realtime

Idea box

Real quick? Use a webcam to capture your video. Create a color palette with the 9 hues from the 9 zones and apply it to your moving lights. Trigger lighting effect when certain colors are detected. Use the video color intensity to dim your lighting intensity and avoid interference.

What's next? Try it for free!

©2012 Lightjams - The DMX Lighting Controller for Live Performances. Proudly made in Montreal, Canada.