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A Digital Cinema Package (DCP) is a collection of digital files used to store and convey digital cinema (DC) audio, image, and data streams.. The term was popularized by Digital Cinema Initiatives, LLC in its original recommendation [1] for packaging DC contents.
Drum Corps International (DCI) is a governing body for drum and bugle corps. Founded in 1971 and known as "marching music's major league," DCI develops and enforces rules of competition and judges at sanctioned drum and bugle corps competitions throughout the United States and Canada. It is headquartered in Indianapolis, Indiana.
Bluecoats tenor drum players and guard perform at the 2014 DCI World Championship Finals in Indianapolis, Indiana. The Bluecoats Drum and Bugle Corps was founded in 1972 by Canton businessman Art Drukenbrod and Canton Police officers "Babe" Stearn and Ralph McCauley (the head and assistant directors of the Canton Police Boys' Club).
Between March 28, 2006, and March 21, 2007, DCI issued 148 errata to Version 1.0. DCI released Version 1.1 of the DCI Specification on April 12, 2007, incorporating the previous 148 errata into the DCI Specification. On April 15, 2007, at the annual NAB Digital Cinema Summit, DCI announced the new version, as well as some future plans.
The first headphones were developed in the late 19th century for use by switchboard operators, to keep their hands free. Initially, the audio quality was mediocre and a step forward was the invention of high fidelity headphones. [3] [4] Headphones exhibit a range of different audio reproduction quality capabilities.
Within the mainland United States drum and bugle corps can trace their origins to the many Veterans of Foreign Wars ("VFW") and American Legion ("AL") meeting halls, where First World War and Spanish–American War veterans met and formed musical ensembles to entertain their communities, some of them being veterans of drum and bugle/field trumpet ensembles within the armed forces (Army, Marine ...
Active noise canceling is best suited for low frequencies. For higher frequencies, the spacing requirements for free space and zone of silence techniques become prohibitive. In acoustic cavity and duct-based systems, the number of nodes grows rapidly with increasing frequency, which quickly makes active noise control techniques unmanageable.
The iPhone Stereo Headset was introduced in 2007 and was bundled with the original iPhone and iPhone 3G, and featured a control capsule in-line with the left earbud's wire with a microphone and a single button, actuated by squeezing the unit, which can be programmed to control calls, presentations, music and video playback, launch Siri, or take pictures with the Camera application.