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Now downloading free:Samsung Reference Information

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File name:Reference Information.pdf
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Descr: Samsung DVD HT-THX25 ht-thx25 Reference Information.pdf
Group:Electronics > Consumer electronics > DVD
Uploaded:14-02-2020
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1. Definition of Home Theater What is Home Theater? Home theater system is the proper combination of audio and video system at home which enable you to enjoy more dynamic sound and vivid image in a wide screen of movie theater. This effect can be implemented with wide screen, high quality projector, Dolby digital and DTS sound effects. Now you can enjoy surround sound field wieh realistic presence and Dolby digital at your home as if you are in a movie theater. As time goes by, home theater system has become recognized as a system that helps listen sound closer to the original sound rather than video. In this 21st century, most movie and animation films will be produced for home theater and reproduce sound closer to original sound. 14-1 Samsung Electronics 2. Concept of Sound What is Sound Range? People can listen to the sounds with frequency between 200Hz~20.000Hz As time goes by, home theater system has become recognized as a system that helps listen sound closer to the original sound rather than video. In this 21st century, most movie and animation films will be produced for home theater and reproduce sound closer to original sound. What is Sound Pressure? * A measure of how well speaker converts electric signal it receives to sound * Unit of sound pressure is decibel and mainly measures the size of sound at 1 m away after sending 1 W power from speaker. High sound pressure doesn't necessary mean good performance What is Timbre? * How well the unique sound of musical instrument is expressed * Better if violin and cello sound are accurately distinguished. Good timbre means high quality. Samsung Electronics 14-2 2. Concept of Sound By reproducing standard channels used during soundtrack recording of movie, it outputs 3 sounds of movie (words / music / sound effects) from 6 different speakers and provides surround dynamic sound effects so that you can even feel the direction of sound. 5 channel A Center Speaker : Voice ( over 95%) B Front Speaker (L/R) : Music Sound C Rear Speaker (L/R) : Sound Effect 0.1 channel D Subwoofer : Low Sound Effect * Power amp is embedded in active sub woofer * Require separate amp since there is no amp in passive sub woofer No difference in performance of active sub woofer and passive sub woofer 14-3 Samsung Electronics 4. Home Theater Sound Format Overview * As home theater has recently penetrated deep into consumer's market in Korea, Dolby digital and DTS, the sound format for 5.1 channel home theater, are the mainstream in the market. * Expanded type of 6.1 channel or 7.1 channel are recently released in the market, but there are not much DVD title that can support expanded type. 1958 1Ch Mono/

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