audio for video feature
provides selectable monitoring of audio board as they audition or check The impact of our new HD
analogue or AES sources, typically a the quality of incoming live shots. production centre and studio was
combination of live and satellite shots. Wohler’s monitoring products were a immediately apparent to viewers,
The VMDA-4 features excellent full- perfect fit for this project because they and Wohler’s monitoring products
range fidelity for a 1-RU monitoring consolidate all of the signals that we play a key role in enabling delivery of
system. With this tool, each operator need to monitor. At stations around the Wohler’s this high-quality programming from
can independently monitor a signal on facility, Wohler systems fit neatly into
products
our studios. WBAL-TV has been the
the monitor wall display. our consoles to provide straightforward
play a key
leader in Baltimore news for a long
Audio operators performing 5.1 monitoring appropriate to specific
role in the
time, and our shift to HD gave us the
monitoring use two of Wohler’s eight- applications within the production opportunity to make a major
channel AMP2-S8MDA audio monitors workflow. As a result, we can give
delivery of
enhancement to our newscasts.
with Dolby E decoding to verify the single operators simpler yet more
this high-
We’re very proud that, as a station in
validity and availability of Dolby comprehensive monitoring capabilities quality a 26-ranked market, we offer better-
processing. We use the same for the multitude of audio and video
programming
than-network quality from our control
monitoring systems up in our technical sources and formats. Because Wohler room and local news production
core, too. Our audio staff also work offers a wide array of monitoring facilities - and that we’ve been able
with two AMP2A stereo audio monitor solutions, we also benefit from using a to do so cost-effectively by working
systems, using them as amp and single vendor in addressing the bulk of with great partners such as Wohler
monitor for the cue channel on our our monitoring needs. and CEI.
Among the Wohler systems being used at WBAL-TV are products in the AMP1 and AMP2 audio monitor families. To ensure that these product
families continue to enable flexible monitoring of the many audio signals in current and future broadcast plants, Wohler has introduced a
3Gbps-capable version of the company’s AMP2 16-channel audio monitor, as well as 3Gbps- and Dolby-capable models of its AMP1 16-
channel multirate audio monitor.
The new AMP2-16-3G builds on the company’s popular 16-channel AMP2-16MSDI while introducing 3Gbps functionality that addresses
broadcasters’ migration to HD and their shift toward higher-capacity 3Gbs video transport infrastructures. The monitor provides simultaneous
display for up to 16 channels of embedded audio within a single multirate 3Gbps signal. Equipped with five card slots, the audio monitor
allows users to ‘pick and mix’ their inputs and adapt the AMP2-16-3G to the evolving needs of the broadcast operation. This same functionality
also enables users of Wohler’s AMP2-16MSDI system, available with Audio Engineering Society (AES) and Dolby E options, to upgrade their
systems with the addition of a 3Gbps card.
Built on a fully digital system architecture featuring multiple high-fidelity, class-D amplifiers, the AMP2-16-3G provides unsurpassed near-
field monitoring for any mix of stereo and mono sources in a compact 2RU design. The monitor includes demuxed outputs of eight AES pairs on
BNC connectors, as well as providing a reclocked loop output of the 3Gbps signal.
The monitor’s high-resolution LCD display boasts colorful 210-segment high-resolution bar graph level meters, with user selectable colours
and settings for scale and range accompanying several predefined scales and ballistics including AES, BBC, and Nordic. The AMP2-16-3G audio
monitor also addresses key issues in DTV audio delivery, providing measurement of programme loudness in adherence with ITU-1770/1771,
which is displayed prominently on the unit's LCD status screen.
With dual selectable SD/HD/3Gbps inputs, the AMP1-E16-3G and AMP1-16-3G are Wohler’s first 1RU 16-channel 3Gbps audio/video
monitors. The AMP1-E16-3G model serves as the company’s first 1RU audio monitor with Dolby E and Dolby Digital Plus capability.
Each of these models shares the fully digital architecture, straightforward control interface, and overall look and feel of the AMP2-16-3G
while also providing monitoring for up to 16 channels of embedded audio within a single multirate SDI signal. By incorporating a high volume
of channels and formats into a compact design, these AMP1 monitors fit well into complex multichannel and surround applications in DTV
production and transmission.
On each AMP1 unit, two of the three LCD screens can monitor 16 channels of audio simultaneously with flexible options for high-resolution
180-segment audio metering, while the third LCD screen may display source video or data. As with the latest AMP2 systems, integrated
loudness measurement and dial norm data are displayed on the monitor’s LCD screen to alert the operator if signals fall out of compliance with
ITU-1770/1771 standards. Flexible assignment of directional signals allows the operator to configure the monitor to the specific needs of a
production. Likewise, user-selectable metering functions and eight user-defined presets support speedy configuration of the monitor to meet
changing operational requirements.
Production Monitoring
multi-format + multi-function solution
EV3Genie
* Highest quality 3G/HD/SD-SDI to DVI Converter
de-embedded
audio SPDIF
DVI
* Format convert between 3G level A / B and Dual-Link
Fibre
* Seamless translation between broadcast standards
over copper (BNC) - Fibre - DVI
* Full featured 3G/HD/SD video & audio Test Pattern Gen
www.electronic-visuals.com
Multi-rate O/P
control
sales@electronic-visuals.com
Multi-rate I/P
Call on: +44 (0)1784 483311Laptop / PC
www.ibeweb.com l may/june 2009 l ibe l 27
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