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Broadcast engineering involves both the Studio end and the Transmitter end (the entire Airchain ), as well as Remote Broadcast s. Every station has a broadcast engineer, though one may now serve an entire station group in a city, or be a Contract engineer who essentially Freelance s his services to several stations (often in small Media Market s) as needed about.com - Broadcast Technician or Sound Engineering Technician: Career Information . Modern duties of a broadcast engineer include maintaining Broadcast Automation systems for the studio and Automatic Transmission System s for the transmitter Plant . There are also important duties regarding Radio Tower s, which must be Maintain ed with proper Lighting and Painting . Occasionally a station's engineer must deal with Complaint s of RF Interference , particularly after a station has made changes to its transmission facilities. DIGITAL ENGINEERING In addition to traditional duties, the conversion to Digital broadcasting means new facilities at (and to) the transmitter site, including new Radio Antenna s and entire site Relocation s, and often the Sharing of towers and even antennas among different stations. Broadcast engineers must now be well-versed in Digital Television or Digital Radio , in addition to Analog principles. s and Control Room s are now already digital in large part, using Non-linear Editing and Digital Signal Processing for what used to take a great deal of time or money, if it was even possible at all. Mixing Console s for both Audio and Video are continuing to become more digital in the 2000s , as is the Computer Storage used to keep digital media Libraries . Effects Processing and TV Graphics can now be done much more easily and professionally as well. Other devices used in broadcast engineering are Telephone Hybrid s, Broadcast Delay s, and Dead Air Alarm s. See the Glossary Of Broadcast Engineering Terms for further explanations. ENGINEERING SERVICES Broadcast stations often call upon outside engineering services for certain needs. For example, because Structural Engineering is generally not a direct part of broadcast engineering, Tower companies usually Design broadcast towers. Other companies specialize in both broadcast engineering and Broadcast Law , which are both essential when making an application to a national Broadcasting Authority . This is especially critical in North America , where stations bear the entire burden of proving that their proposed facilities will not cause interference and are the best use ot the Radio Spectrum . Such companies now have special Software that can map projected Radio Propagation and Terrain Shielding , as well as Lawyer s that will Defend the applications before the U.S. Federal Communications Commission , Canadian Radio-television And Telecommunications Commission (CRTC), or the equivalent authorities in some other countries. ORGANIZATIONS In the United States , many broadcast engineers belong to the Society Of Broadcast Engineers (SBE). Some may also belong to the organizations of related fields, like the Audio Engineering Society or Institute Of Electrical And Electronics Engineers (IEEE). For Public Radio , the Association Of Public Radio Engineers was created in late May 2006 . SEE ALSO
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