Weak current College】 【interpretation of the concept of home theater.

<br> <br> What is a home theater? <br> March 2000 promulgating Home Theater related national standards SJ/T11217-2000 home theatre with surround sound amplifier universal norms "in the" home theater "has been clearly established. <br .> Which reads as follows: <br> Home Theater: the surround sound amplifier (or surround sound decoder and multi-channel audio power amplifier combination), more (4 more) speaker system, big-screen TV (or projection TV) and high .quality A / V program source (such as LD, DVD, Hi-Fi recorders, etc.) with surround sound movie audio and video effects of audio-visual system. <br> <br> What are the characteristics of the home theater? .<br> A Chamber theater program source, features <br> Home theater program source mainly from the film program that includes the image and sound section. Home theater system to play in the family environment (instead of in the cinema environment) reproduction program source .of image and sound effects. Movie sound track early is Mono (monosound), and later developed into two-channel stereo (stereo), now has developed into a multichannel digital surround sound (digitalsurroundsound). Film sound recording and processing from analog to digital .. Now movie sound production for surround sound has been popular, and become a development orientation. <br> Surround sound application of the most popular is the United States Dolby company DolbyProLogic and DolbyDigital (AC-3) digital surround sound technology, United States of .DTS DTS company digital cinema system technology is also being used more and more movies. In addition, Sony Corporation's digital dynamic acoustic SDDS (SonyDigitalDynamicSound) also became a choice. <br> As the home theater program source mainly from the film program, so it .should keep the film of the main features of the program source, that is, high-quality images, and encoded surround sound. <br> B, home theatre with surround sound amplifier (AV Center) <br> As a home theatre with surround .sound amplifier uses and generally high-fidelity Hi-Fi amplifier uses, it generally has the following characteristics: <br> ⒈ Multichannel power amplification <br> ⒉ have surround sound decoding function <br> ⒊ General with karaoke function <br> ⒋ generally .have a video input and output terminals <br> ⒌ subwoofer output terminals <br> Other sound processing ⒍ technologies, such as DSP, balanced mode, etc. <br> Home Theatre with surround sound amplifier and high-fidelity Hi-Fi amplifier in .replay audio requirements are different. Hi-Fi amplifier requires sound real reduction; and home theatre with surround sound amplifier request replay multi-channel surround sound effect that to tie in with the video image to produce a movie sound atmosphere. High-fidelity stereo amplifier .power amplifier is; and home theatre with surround sound amplifier is a multi-channel amplifier, the characteristics of the decoding mode, the channel between the performance to match. <br> <br> <br> <br> <br> <br .>.