KORG Krossfour

Four-channel video mixer/switcher
Realtime-performance control for VJ or video performance

Euro 730.00

Following the KAOSS PAD entrancer (the audio/video effect processor that has earned a major following with VJs and video artists for its intuitive touchpad interface) Korg now unleashes he Krossfour. Packed into a compact body, its simple layout is optimized for realtime operation, giving you intuitive and free control over any type of video source. In addition to simple mixing/switching, the krossfour offers luma-key and chroma-key effects, background color generation and more. When teamed up with the KAOSS PAD entrancer, you can now create Video mixing and switching effects that were not possible with the KAOSS PAD entrancer alone.

• Video mixer/switcher with up to four inputs
• Simple and easy-to-use layout designed for realtime performance
• A crossfader with four fader curves allow video performance expressions that are quick and musical
• Crossfader features a blue LED indicator for great visibility even in dark clubs
• Built-in TBC ensures stable and synchronized images
• Advanced features includes Black, White and Blue background color settings, chroma key compositing (“blue-screen” effects), and luminance key compositing
• Two HOLD switches let you freeze the image from any input
• Monitor output lets you conveniently check an input signal for cueing and previewing, or can also be used as a sub-output

Video mixer/switcher with four-input video selector
The krossfour is a four-input video mixer/switcher that lets you input and freely mix video from sources such as a DVD, VCR, video camera, or computer.

In VJ work or video performance, you can use the crossfader to easily control video sources in musically meaningful ways. You can mix using one of four different fader curves. "Normal" curve gradually mixes between channels, "No Mix" transitions by fading both channels to black as you move toward the center, "Center Mix" mixes the channels only in the center, and "Switcher" switches the channels in the center. You can switch between these different curves to produce a wide range of video performances. The crossfader features a cool blue illuminated bezel for excellent visibility even in dimly lit clubs.

Built-in TBC
Built-in TBC (Time Base Correction) converts signals played back from an analog VTR etc. into stable, digitally-synchronized images, ensuring smooth and glitch-free mixing.

Chroma Key and Luminance Key compositing effects
The Krossfour lets you create black/white and blue backgrounds as mixer sources. It also provides a chroma-key mode for removing the blue portions of the foreground image and allowing a different background image to show through (“blue-screen” effects), and a luma-key mode for removing portions of the foreground image that are a specific brightness (luminance) allowing a different background image to show through. There's also a HOLD switch that lets you freeze the input image.

Monitoring of input images
As a convenience for realtime video performance, the Krossfour provides a monitor out connector in addition to the main output. The monitor output can be used to audition a video input source before mixing, or as a sub-output for the mixed video signal.

Use together with the KAOSS PAD entrancer for a revolutionary leap in video performance
You can use Krossfour together with the KAOSS PAD entrancer audio/video effect processor. The design, illumination, and size of the Krossfour is designed to match the KAOSS PAD entrancer, making the two units a combination when placed side by side.

Krossfour - Video Mixer

Video format:

Video sampling rate:
13.5MHz, 4:2:2, 8-bit

Frame synchronization:
A and B (1 each)



FADER CURVE (4 settings); MODE (Black background, white background, chroma-key, luminance-key); FINE dial (for chroma-key and luminance-key adjustment)

Composite effects:
Chroma-key, luminance-key

DC7V (dedicated AC adapter)

185 (W) x 249 (D) x 75 (H) mm / 7.3” (W) x 9.8” (D) x 3.0” (H)

3.31 lbs. / 1.5 kg

AC adapter

Korg Italy: Syncro, E-mail tel.(+39) 0717391914
Korg Australia: MUSIC LINK E-mail tel.61-3-97656565
Korg Austria, Germany: MUSIK-MEYER E-mail -Tel 49-6421-9890
Korg Belgium, The Netherlands: VOERMAN AMERSFOORT E-mail Tel.31-33-4612908
Korg Brazil: PRIDE MUSIC E-mail Tel.55-11-6975-2711
Korg China: TOM LEE MUSIC E-mail Tel.852-2737-7688
Korg France: GAFFAREL MUSIQUE E-mail Tel. 33-1-34483838
Korg Hungary: ATEC HUNGARY E-mail Tel. 36-27-342-595
Korg India: AUDIO PLUS E-mail Tel. 62-21-6125368
Korg Russia: A&T TRADE E-mail Tel. 7-095-796-9262
Korg Spain: LETUSA E-mail Tel. 34-91-486-28-00
Korg UK E-mail Tel. 44-1908-857100
Korg Usa E-mail Tel. 1-516-333-9100
Korg Ukraine: A&T TRADE E-mail Tel. 7-095-956-1105

advanced technologic sound magazine
2004 September issue 129

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