Edirol V-4

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Edirol V-4

The V-4 is a 4-channel Video Mixer designed for easy portability and with a comprehensive specification. It is ideal for use in clubs, churches, theatres, and any live performance. The compact design of the V-4 gives you the freedom to go anywhere and make your video come alive.

For cutting-edge Multimedia artists, the V-4 offers V-LINK, an exciting new feature from Edirol and Roland that gives you realtime performance control over digital video, for the ultimate in creative expression. V-LINK allows the user to trigger clips, perform video effects and transitions in real-time when connected with the Edirol DV-7PR (sold separately). The V-4 video mixer also has MIDI in/out/through, for real-time or sequenced control of video sources with effects and transitions.

Main Features


Video Mixer / Switcher with 4ch input

Independent 2-channel TBC / Frame Synchronizer

Independent 2-channel Digital Effects

Professional quality T-Bar Video Fader

Easy Operation

Beat Synchronization between Audio and Video

Video Mixer / Switcher with 4-channel input

The V-4 is equipped with four composite (RCA Pin) inputs plus two S-video (Y/C) inputs. It offers scene transition between the four video sources with Dissolve, Wipes (a total of about 200 variations), and Switching. The V-4 outputs the same video source to all three output jacks (Composite x 2, S-video x 1), for simultaneous monitoring and displaying, without resorting to external distribution boxes.

Professional Video Quality

The input video sources are processed completely in the digital domain, and give professional video quality (13.5MHz, 8-bit, 4:2:2, DV quality). Ideal for use on large screens, and because the V-4 internal processing is digital there is no quality loss.

Independent 2-channel TBC / Frame Synchronizer
The input sources go through independent 2-channel TBC (Time Base Correction) circuits to correct the time code, independent 2-channel Frame Synchronizers are also applied to the two sources at this stage. These processes guarantee smooth transitions, ensuring stable images all the time.

Independent 2-channel Digital Effects
The V-4 features include a rich selection of independent 2-channel digital effects (see specs below). It also features composition effects such as Picture-in-Picture, Chroma-key, and Luminance-key. Any effect can be assigned to buttons on the front panel and these can be edited and stored in one of eight memories so that you are never more than a button press away from the effect you want.

Professional-use T-Bar Video Fader
The T-Bar cross fades for quick and intuitive operation. A V-4 innovation is that you can switch the fader from vertical action (as standard on video mixers) to horizontal action as on a DJ mixer. The fader resolution has over 100 steps and offers extremely smooth transitions. The V-4's metal body and it's fader are strong and durable enough for the most active performance.

Easy Operation
The V-4 is designed so that the front panel clearly identifies the functions and operations. It is so intuitive to use that your performance is enhanced and you hardly need to read the manual!

Preview Function and On-Screen Menu
The preview function is controlled by the source selection button, and enables the user to monitor each of the input sources 1-4 or the output source before transition, to a single preview monitor - no more multiple preview monitors! You can control the V-4's major functions (Effect selection, MIDI input setting, etc.) from the dedicated preview screen using the convenient On-Screen Menu. This is separate from the main outputs, so you can view it anytime you want.

Convenient User Memory Function
The V-4's user memory function allows you to conveniently store and recall the panel settings like effect assignment to each button. The memory is saved even while the power is off, so you can store your frequently-used setting. Maximum eight configurations.

Synchronization between Audio and Video/Connection with MIDI Equipment
The V-4 features video transition/effects that can be synchronized with MIDI. The BPM (beats per minute) of transition/effects can be made to follow the beat of a music track by hitting the tap button (TAP function). The functions of the V-4 can also be controlled via MIDI equipment such as a MIDI keyboard controller. If you have the optional DV-7PR, yourl performances become even more creative by mixing the DV-7PR's numerous video clips with the V-4's visual effects, all with realtime transitions and composition.

Specifications


Internal processing

Format: ITU601, NTSC or PAL format Sampling: 13.5MHz, 4:2:2 (Y:B-Y:R-Y) / 8-bit Frame
Synchronizer: Individual 2-channel (Individual 2-channel TBC : Time Base Correction)

Transition

Dissolve, White fade, Black fade Wipe (about 200 patterns)

Effects
Composite effects: Chroma-key, Luminance-key Individual 2-channel effects: Colorise, Strobe, Picture-in-Picture, Mirror, Multi-screen, Negative, Still (Field freeze or Frame freeze), Solarise, Color filter

Video Input
S-Video (Y/C): 2 channels (Mini DIN 4-pin type) Composite: 4 channels (RCA pin type)
Video Output
S-Video out (Y/C): 1 channels (Mini DIN 4-pin type) Composite out: Output : 2 channels (RCA pin type) Preview out : 1 channel (RCA pin type)

Control
MIDI: MIDI IN x 1, MIDI OUT x 1 (Remote control through MIDI equipment) TAP: BPM setting


Power Supply
AC Adaptor: DC 9V (Model : PSB-1U, 117V/230V/240V)

Dimensions: 290(D) x 225(W) x 75(H) mm, 3(D) x 8-7/8(W) x 11-7/16 (H) inches Weights: 2.2 kg/4 lbs 14 oz

Accessories
AC Adaptor, Owner's manual

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