Ned Soseman /
09.27.2011
Originally featured on BroadcastEngineering.com
Bel Digital Audio introduces BM-A2-E16SHD

Bel Digital Audio introduced a 2U audio monitor/de-embedder that features 16 individual high-resolution LED bar graph meters. The new unit provides audio monitoring of 3G, HD and SD SDI video signals with loopthrough and additionally offers Dolby E / Digital and Digital Plus decoding

The Bel BM-A2-E16SHD provides visual monitoring of the de-embedded audio by 16 individual, high-quality, three-color, front-panel mounted bar graphs. Audible monitoring is provided by two speakers also mounted on the front panel. A comprehensive range of inputs and outputs are standard. There are two SDI inputs alongside eight AES audio pairs and eight analog inputs. The device provides auto-selection of 3G, HD and SD or SDI bit streams and decodes as appropriate. Switching between inputs is accomplished by use of the simple, front-mounted rotary controls.

All 16 audio channels present on the front panel bar graphs are also available as AES-3 outputs on the rear of the unit, therefore enabling the monitor to de-embed all 16 audio channels from any SDI stream. In addition, a reclocked SDI loopthrough and eight analog outputs (with front-panel level control) are provided.

Using the front controls, the user can monitor any channel and can create combinations and groups. The bar graph meters are switchable between all available channels and inputs. Each meter features adjustable color transition points and a peak-hold facility. The ballistics are user-assignable, and seven standard scales are available to choose from.

The two-way monitor speakers on the front panel can be sourced from any of the available channels, and additional audible monitoring is provided via a headphone socket also on the front panel.

A Dolby decoder is included in the BM-A2-E16SHD as standard. When enabled, it can decode Dolby E, Dolby Digital and Dolby Digital Plus material from any of the AES inputs, or from embedded audio data within the SDI bit streams. A second non-Dolby version is also available, called the BM-A2-16SHD.



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