The
V-4 is a 4-channel Video Mixer made for portable or fixed installation use. It
is ideal for use in nightclubs, places of worship, theatres, and other live
performances. The compact design of the V-4 gives you the freedom to make your
video sources come alive. The V-4 is a part of the EDIROL SD video mixer line.
See the SD
Mixer Comparison.
For cutting-edge Multimedia
artists, the V-4 offers V-LINK,
an exciting new feature from Edirol and Roland that provides for 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 PR-80 (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.
- 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
- Over 200 Transition Effects
Video Mixer /
Switcher with 4-ch input
V-4 is equipped with four composite (RCA Pin) inputs plus two S-video (Y/C)
inputs. V-4 offers scene transition of the four video sources with Dissolve,
Wipes (with a total of about 200 variations), and Switching. The V-4 outputs the
same video source to all the three 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 enable smooth
transitions and Dissolves, and ensuring stable images all the time.
Independent 2-channel
Digital Effects
V-4 features independent 2-channel Video effects that include a rich selection
of digital effects (refer to spec sheet). The V-4 also features composition
effects such as Picture-in-Picture, Chroma-key, and Luminance-key. The effects
are recallable by a single button press.
Professional-use
T-Bar Video Fader
Professional-use T-Bar cross fades for quick and intuitive operation. A V-4
innovation is that you chose to attach the fade however you like, either,
vertically as standard for video mixer, or horizontally as a DJ mixer fader. The
fader resolution has over 100 steps and offers extremely smooth transitions. Its
metal body as well as its fader is strong and durable to be used in your active
performance.
Easy Operation
V-4 is designed for its
functions and operations to be clear from the front panel. Because it is simple
to use its easy-to-use operation will enhance your realtime performance. Most of
the V-4 functions can be selected and controlled without resorting to 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 V-4's major functions (Ex. Effect selection, MIDI input setting,
etc.) from the dedicated preview screen using the convenient On-Screen Menu.
This is separate from the output to the main outs, so you can view it anytime
you want.
Convenient User
Memory Function
V-4's User memory function allows you to memorize and conveniently recall the
panel settings, such as effect assignment to each button. The memory is saved
even while the power is off, so you can store the frequently-used setting.
Maximum eight configurations.
ynchronization
between Audio and Video/Connection with MIDI Equipment
The V-4 features video transition/effects that can be synchronized with MIDI.
The BPM (beat 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 V-4
can also be controlled via MIDI equipment such as a MIDI keyboard controller. If
you have the optional PR-80, various visual 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:
| V-4 |
| Video
Format |
NTSC
or PAL (ITU601) |
| Video
Sampling Rate |
13.5MHz,
4:2:2(Y:B-Y:R-Y), 8-bit, Flame synchronizer x 2 |
| Video
Input |
S-Video:
4-pin mini DIN type
Video (composite): RCA pin type x 4 (inputs 1-4; however if S-Video is
simultaneously input to 1/2, S-Video takes priority) |
| Video
Output |
S-Video:
4-pin mini DIN type x 1
Video (composite): RCA pin type x 2 |
| Output
level and Impedance |
S-Video:
1Vp-p, 75ohm
Video (composite): 1Vp-p, 75ohm
Chrominance signal: 0.286mVp-p, 75ohm |
| Transition
Effects |
Mix,
Wipe (4 types), Picture-in-Picture (4 types) |
| Compositing
Effects |
Superimpose
(remove black)
|
| Control |
MIDI
(in, out), V-LINK |
| Power
Supply |
Dedicated
AC Adaptor |
| Current
Consumption |
1500mA |
| Size
and Weight |
| Width |
209
mm |
8-1/4
inches |
| Depth |
282
mm |
11-1/8
inches |
| Height |
77
mm |
3-1/16
inches |
| Weight |
1.8
kg |
4
lbs. |
| *The
specifications are subject to change without notice. |
Configuration
Examples:
Live
Production/Church
We can have 4 inputs - 2 live cameras, text, still or video
input coming from a laptop and all high quality video playback coming from the PR-80.
By using a luminance key with the text input (e.g., PowerPoint, MediaShout,
etc.) from the computer, you can overlay song lyrics, notes or messages over any
of your other 3 inputs. Of the three outputs, 2 are being sent to the house
projectors and the third one is recording the event to a VCR. At all times you
can independently monitor your inputs and effects via the preview monitor. Note:
S-video output or RGB-to-video scan converter is required to connect a computer
to the V-4.
Multi-Camera
Live Event
We can have 4 live cameras being mixed to 2 house projectors,
bringing image magnification (IMAG) to the room. We are also recording the event
to a VCR as well. In a non-IMAG setting (i.e., school, courtroom, community TV)
you would not send the output to projectors and simply record the event. At all
times you can independently monitor your inputs and effects via the preview
monitor.
Corporate
Event
Often at corporate or church events, the playback material is on
different media (VHS, DVD, miniDV, Betacam, etc.). In this example we have 4
inputs - 1 live camera and 3 different playback devices. The V-4 makes it easy
to mix between material coming from a variety of sources. Of the three outputs,
only two are being used - 1 is being sent to a lobby plasma and 1 is being sent
to the house projector. At all times you can independently monitor your inputs
and effects via the preview monitor.
This setup can be greatly simplified by using a PR-80 to
playback all video material.
VJ/Club
Setup
Having instant access to video material along with transitions
and effects is the key to any visually stimulating display. In this example the
VJ has material playing on the 2 DVDs, the VCR as well as their PC. The V-4
allows the real-time manipulation and transitioning between all of these inputs.
The outputs are doing to the LCDs or plasma around the room or in the private
boxes as well as to projectors throughout the house. At all times you can
independently monitor your inputs and effects via the preview monitor. As in the
previous example, this setup can be greatly simplified by using a PR-80 to
playback all video material as shown in Example 1 above. Note:
S-video output or RGB-to-video scan converter is required to connect a computer
to the V-4.
Independent
Multi-Camera Shoot with IMAG
This example combines Example #1 and #2 above. It allows you to
use and be recording a 4 camera shoot via the first V-4 but also overlay text or
playback other video material via the second V-4 for room image magnification (IMAG).
This configuration allows you to keep shooting the event (via your 4 cameras)
independently of what is happening on the house screens. For example, your house
screens could go to black or perhaps playback a clip (via the PR-80)
- but your cameras could still be capturing audience or stage reaction.
Conversely you can decide to use your multi-camera feed from the first V-4 for
IMAG. At the same time, you can record the IMAG output via the 2nd V-4. At all
times you can independently monitor all inputs and effects via the preview
monitors.
