Thursday 20 December 2012

Unique Content Article on hardware,computer

Discovering The Uses Of DMX Merger Devices


by Casandra Newton


Stage directors and lighting professionals today typically use the standard for communications named DMX512. This is used to control the lighting and lighting effects system on a stage and is used mainly as a way to automate and computerize a task which was once done all by hand. Being controlled through a DMX Merger, the standard covers characteristics which are electric, data format, connector types, and data protocol.

DMX512 has quickly become the chosen and often singular method for connecting lighting controllers and dimmers, and is also more technologically advanced to control devices like fog machines and moving lights. DMX512is short for Digital Multiplex with 512 pieces of information, however, it is almost always referred to by its shorter name. The standard was created in the 1980s and had some revisions in the 1990s.

The standard provides 512 channel controls for each data input. Often a way to merge standards together is needed in order to get the full control that is desired for lighting programs and equipment. The most well known of merging solution is the DMX merge controller, which is designed to connect two DMX512 sources together to result in one sing output.

The DMX Merger units operate on a120-240 volt power supply, which is included with the purchase of the unit. The unit is a single rack entity and features DMX512 connectors on both the front and rear panels. A big plus with the DMX512 standard is that even with future updates, all existing equipment with continue to work under any new revisions.

Stage lighting is used during most on stage productions, such as dance, theater, performance arts, and opera. There are a huge number of different pieces of equipment and lighting systems used to light most performances, even those which might seem simple in nature to the audience. Lighting technicians are those professionals who work behind the scenes and on the stage itself to put together the lighting for a production.

Whether the audience at a performance realizes it or not, a lighting technicians work is a huge part of what goes into putting on a performance and being successful. Lighting adds a huge amount of drama and depth to a piece and a performance without custom lighting would be flat and lifeless. Lighting can be everything from a single spotlight to a complete lighting program full of light changes, colors, patterns, etc.

Functions for stage lighting are varied and based on the type of production, the equipment being used, and the amount of time and money willing to be spent. Among others, these functions include time of day, projection, selective visibility, intensity and color, and direction, all are used together to create the lighting program.

Projection lighting is used to add to a piece of scenery, project elements onto a blank scene, or be the scenery itself, with the assistance of a DMX Merger. Focus lighting is when certain lighting element are used to direct the audience's attention either to or away from something on the stage. Intensity and color are used because colors, such as red, can evoke emotion and add different feelings and effects to a scene or element on stage.




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