V-8

V-8

The V-8 is the natural evolution of the legendary V-4 four-channel video mixer

The V-8 Eight Channel Video Mixer has all the features of the V-4 but with more channels, two selectable RGB inputs, monitor outputs and additional powerful special effects. It continues the legacy of the V-4 other great features such as ease of use, high-quality digital processing of video, numerous video effects and BPM sync with music. This next generation video mixer expands your visual presentation and performance potential to new applications and dimensions. The V-8 is a part of the Roland SD video mixer line.
See the SD Mixer Comparison.


logo_club_win
V-8 Wins Best Video Product for 2009 awarded by Club Systems International.

The V-8 is the natural evolution of the legendary V-4 four-channel video mixer 

DV quality video outputs with full digital processing
The internal processing of the V-8 is 4:2:2 full-frame digital. More than 500 lines of video resolution ensure very high image quality after digital processing and mixing.

Direct input of computer signal
The V-8 has a built-in scan converter, providing direct input of RGB signals (VGA - UXGA) from two D-Sub terminals on the rear panel. With the selector switch located on the top panel, you can select between two computer sources. Using the luminance key or chroma key, enables logos or text from your computer to be keyed over background video enabling the display of lyrics, bottom thirds, and announcements. Integrating computer graphics and visual applications with video sources has never been easier.

effects

New video filters and numerous transitions
All your favorite effects like colorize and negative are included, along with newly added effects like feedback, afterimage, emboss, find edge and more. Composite two images with Picture-in-Picture and Luminance or Chroma keying. Customize your transitions between the A and B bus with multiple flavors of simple mix, hard or soft wipes, and the all-new stretch and slide transitions.

Independent faders on each bus as well as master output
Faders are independently equipped for both A/B buses allowing you to create a video fade on just one bus or adjust the various video effects parameters. The master fader control is a slider bar enabling quick and intuitive operation while working on the fly.

Next generation V-LINK control enables audio-follow
The V-8 can be remote controlled from the PR series video presenters as well as the V-4. The V-8 can also send remote control signals to the new generation of Roland digital audio mixer, the M-400, M-380 or M-300 V-Mixer . The motorized faders of the M-400 automatically follow the video switching of the V-8. Now you can have your audio sources follow your video sources without the need to manually control two mixers at once.

V-8
Video Format Video: NTSC or PAL (ITU601)
PC-RGB: 640 x 480/120 Hz, 800 x 600/120 Hz, 832 x 624/75 Hz,
1024 x 768/80 Hz, 1152 x 864/80 Hz, 1152 x 870/75 Hz,
1280 x 1024/75 Hz, 1600 x 1200/60 Hz (RGB VH: positive/negative logic)
* VESA DMT Version 1.0 Revision 10 conform.
* The refresh rate is the maximum value of each resolution.
Video Sampling Rate Video: 4:2:2 (Y:B-Y:R-Y), 8-bit, 13.5 MHz
Frame Synchronizer 2 systems
Input Level and Impedance Video (composite): 1.0 Vp-p, 75 ohms
S-video: (Luminance signal) 1.0 Vp-p, 75 ohms, (Chrominance signal) 0.286 Vp-p, 75 ohms (NTSC) / 0.3 Vp-p, 75 ohms (PAL)
PC-RGB: 0.7 Vp-p, 75 ohms (H, V: 5 V TTL)
Output Level and Impedance Video (composite): 1.0 Vp-p, 75 ohms
S-video: (Luminance signal) 0 Vp-p, 75 ohms, (Chrominance signal) 0.286 Vp-p, 75 ohms (NTSC) / 0.3 Vp-p, 75 ohms (PAL)
Connectors Input:
Video (composite): BNC type x 7 (Ch 1 - 7) S-video: 4-pin mini DIN type x 4 (Ch 5 - 8), PC-RGB: D-SUB 15pin Shrink Type x 2 (Ch8: PC1 / PC2)
* Inputs 5 - 8; however if S-video is simultaneously input to 5-8, S-video takes priority
Output:
Video (composite): BNC type x 2, S-video: 4-pin mini DIN type x 1
Preview Output:
Video (composite): BNC type x 1 (OSD Menu)
Monitor Output:
Video (composite): BNC type x 8 (Ch 1 - 8)
Remote Control Interfaces MIDI IN: 5-pin DIN type x 1,
MIDI OUT/THRU: 5-pin DIN type x 1
Transition effects (more than 200 types) Mix (Dissolve, Non-Additive Mix : NAM, Full-Additive Mix : FAM), Wipe (Hard edge wipe, Soft edge wipe), Key, Slide, Stretch, User Transition
Video effects Still, Strobe, Afterimage, Feedback, Shake, Negative, Colorize, Find Edge, Silhouette, Mono Color, Emboss, Posterize, Color Pass, Luminance key, Chroma key, Flip, Multi, Mirror, Picture-in-picture
Power Supply DC 9 V (AC Adaptor: Roland PSB-1U)
Current Draw 2 A (Preliminary, AC Adaptor PSB-1U 0.4A)
Accessories AC Adaptor, Power Cord, BNC to RCA video adapter x 4, mount screw for Video fader x 4, Owner¢¥s Manual
Options Cross Fader: V-4CF
Size and Weight
Width 238 mm 9-3/8 inches
Depth 315 mm 12-7/16 inches
Height 134 mm 5-5/16 inches
Weight 3.2 kg 7 lbs. 1 oz.
*The specifications are subject to change without notice.

The V-8 is the natural evolution of the legendary V-4 four-channel video mixer

Concerts or VJ Performances Example
Images can be projected on a large screen located at the back of the stage to create a video performance that's synchronized to the music. You can mix images from a P-10 Visual Sampler, PR-50 / PR-80 Video Presenters or computer (VJ software) with multiple live images.
diagram_vj

Background Video for a Musical Performance Example (Using V-LINK)
You can control background video (BGV) simultaneously while playing an instrument.
diagram_bg_video

questions about products
- The field of view of video images output from the OUT PUT terminal differs from those output from PREVIEW OUT or MONITOR OUT terminal.
Images are output from the OUT PUT terminal after internally converting the input analog signals into digital signals and the field of view information is not added to them. The field of view can vary depending on the display connected and/or its setting and you need to adjust the aspect ration of the I/O signals of the device connected to V-8.
Did this help? Yes No
- What is the difference between V-4 and V-8?
"V-8 is different from V-4 as follows: * The number of input channels increased from four to eight. * The VGA input terminal is provided to input video images output from a PC without a scan converter. * The MONITOR OUT terminal is provided for each input channel. * Types of switching effects (FAN, NAM) and video effects (feedback, etc) increased. * Separate faders are provided for channels A and B. * The operation knobs for the A/B effects and faders are sliders. * White and black switching is available for output fading. "
Did this help? Yes No
- When the INPUT SELECT button is used to switch the input, is the video image stable?
Images remain stable during normal switching operations. You can use the INPUT SELECT button to switch video images as you usually do with a switcher. However, when the T bar is not fully tilted toward the A or B side or you are using the superimposing effect and two input video images are superimposed, pressing the INPUT SELECT button may case the output video image to be unstable.
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- Is the GENLOCK terminal provided?
"No. Because V-8 is equipped with frame synchronizers for both of the channels A and B, synchronization is maintained without inputting a GENLOCK signal. "
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- Are cables and RCA-BNC conversion plugs supplied?
"Cables for connection with external devices are not supplied. Four RCA-BNC conversion plugs are supplied."
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- When a video signal is input to both of the PC input terminal and INPUT8 terminal, which one will be output from the OUTPUT terminal?
Because the S-Video terminal input is given higher priority, the vide image input to the INPUT8 terminal will be output.
Did this help? Yes No
- Can the video images input to PC1 and PC2 be superimposed?
"No. One of the video images input to PC1 and PC2 is selected by the INPUT SELECT switch and output."
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- Is the vide image output from the MONITOR OUT terminal same as the one input to one of the INPUT terminals 1 to 8?
Yes. The same video image is output from the MONITOR OUT terminal. By connecting the device to a TV set or monitor with a composite video terminal, the vide image input to each channel can be checked in real time. The video image input tot the PC input terminal is also output from the MONITOR OUT terminal as a composite signal.
Did this help? Yes No
- When a channel with no video image input is selected, how the output image will be?
"It will be black at factory setting, but you can select black or blue. To change the no-input screen to blue back, follow the procedure below. 1. Select ""No Signal Blueback"" from ""Utility"" on the preview screen. 2. When ""Blue Back"" is displayed, select ""On."" "
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- Is NTSC or SECAM supported?
"SECAM is not supported. V-8 supports NTSC used in Japan and U.S.A. and PAL used in Europe. "
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- Can the cross fader V-4CF be used with V-8?
"Yes. The standard T-bar type video fader installed on V-8 can be easily replaced with V-4CF, in the vertical or horizontal orientation. Using a low-torque slider, it achieves nimble VJ play. "
Did this help? Yes No
- The menu screen is displayed on a TV set or monitor connected to the PREVIEW OUT terminal. Can I clear this menu screen and display an output video image instead?
"Yes. Change the [Preview Display Mode] setting under [Utility] to [No Display] in the following procedure. 1. Press the menu button. 2. Use the (??) cursor buttons to select [Utility], and press the (ENTER) button. 3. Use the (??) cursor buttons to select [Preview Display Mode], and press the (ENTER) button. 4. Use the (??) cursor buttons to select [No Display]. 5. Press the (MENU) button three times to return to the previous screen. Check that the menu screen on the preview monitor disappears. "
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- Can I use the device as the presenter for PR-80 or PR-50?
"By switching the operation mode of V-8 to ""PR Control Mode,"" V-8 can be controlled from the EDIROL PR-80/50 (hereafter referred to as ""PR series"") via MIDI. Operations available from the PR series in the PR Control Mode: ? Switching video images input to V-8 and PR series images and controlling various effects ? Automatic operation of V-8 using the scheduler function of the PR series "
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- Does a delay occur between the input and output of a video image?
"A delay of 1 or 2 frames occurs. To synchronize the video image mixed by this device and the sound on the spot, use an audio delay line such as Roland DL-2040 to adjust the sound output timing with the video delay. "
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- Can I use V-8 to convert PAL signals to NTSC signals?
V-8 does not have a video image conversion function and you cannot convert NTSC video to PAL video and vice versa.
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- Can I output the final video image or MONITOR OUT video image as an RGB signal?
"No. V-8 outputs both the final video image and MONITOR OUT video image as the composite video or S-Video signal. In addition, the output from the PREVIEW OUT terminal is composite video only."
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- Is the same video image output from the S-Video output terminal and composite output terminal simultaneously?
The same video image is output from the two composite output terminals and the S-Video output terminal.
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- I am broadcasting a football game live. I have 4 cameras and 1 computer. I want to see all my cameras preview all the time on the preview monitor. Can this be done? Do I need to get a multiplexer? I was hoping for a preview multiscreen monitor.
"The V-8 offers a ""loop-thru"" on all its inputs. This will send composite video of each input to a monitor. You can either purchase discrete TV monitors for each input, or you can consider one of the rack-mount LCD minotors that are available from folks like Marshall at www.lcdracks.com. Alternatively, you can consider a ""quad screen"" box from a security camera system manufacturer. This will accept 4 video inputs (from your loop-thru´s) and output a quad-screen display to a standard TV monitor."
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