一、家庭影院功能及設備要求
1、 Function and equipment requirements of home theater
家庭影院系統是要家庭環境中搭建的一個接近影院效果的可欣賞電影享受音樂的系統。家庭影院系統可讓家庭用戶在家欣賞環繞影院效果的影碟片、聆聽級別音響帶來的音樂、并且支持卡拉OK娛樂。一般來說，一套家庭影院需要3個部分：信號源、功放及終端。信號源包括：投影機、VCD、DVD、藍光碟機、個人計算機、CD等等；終端包括顯示設備(平板電視機及投影機)投影幕布和音箱，音箱本身要求回放質量要好；功放對于家庭影院很重要，一般用專門的AV功放，AV功放主要由信號源選擇器、信號處理前置放大器和后級功率放大器組成，可以切換信號源，對信號處理，如杜比解碼、虛擬環繞、DSP等處理，調節音調音量；然后通過功率放大器驅動多個音箱。
The home theater system is a system that can enjoy movies and music close to the cinema effect built in the home environment. The home theater system allows home users to enjoy movies around the theater, listen to music brought by professional sound, and support karaoke entertainment at home. Generally speaking, a home theater needs three parts: signal source, power amplifier and terminal. Signal sources include: projector, VCD, DVD, Blu ray disc player, personal computer, CD, etc; The terminal includes display equipment (flat panel TV and projector) projection screen and speaker. The speaker itself requires good playback quality; Power amplifier is very important for home theater. Generally, special AV power amplifier is used. AV power amplifier is mainly composed of signal source selector, signal processing preamplifier and rear power amplifier. It can switch the signal source, process the signal, such as Dolby decoding, virtual surround, DSP and adjust the tone volume; Then drive a plurality of speakers through a power amplifier.
絕大多數公寓住宅的朋友都會把客廳作為家庭影院場所的首要選擇，因為作為家庭客廳的面積往往是非常大的，有較大的視聽空間，也方便與家人共享視聽樂趣。客廳一般配備了大尺寸壁掛電視，在考慮客廳家庭影院功能時，一般對布線包括環繞線也作了前期預埋。由于客廳是通透式空間，聲學環境難以達到專門影音室效果，吸聲處理主要依賴沙發、窗簾及家俬裝飾，地面一般也未作專門處理。但如果從聽音角度經簡單有效的綜合處理和環境調適，一般也能達到不錯的視聽效果。
The vast majority of friends in apartments will take the living room as the primary choice of home theater, because the area of the family living room is often very large, with large audio-visual space, and it is also convenient to share audio-visual fun with their families. The living room is generally equipped with a large-size wall mounted TV. When considering the function of the living room home theater, the wiring, including the surround line, is also embedded in the early stage. As the living room is a transparent space, the acoustic environment is difficult to achieve the effect of a special audio-visual room. The sound absorption treatment mainly depends on the decoration of sofas, curtains and furniture, and the ground is generally not specially treated. However, from the perspective of professional listening, it can generally achieve good audio-visual effect through simple and effective comprehensive treatment and environmental adjustment.
家庭影院系統配置包括投影機、投影幕布、數碼AV功放、藍光DVD、落地式主音箱、中置音箱、后環繞音箱、重低音音箱構建成5.1聲道家庭影院系統，由于為開放式空間，一般不適合配置側環繞音箱。
The configuration of home theater system includes projector, projection screen, digital AV power amplifier, Blu ray DVD, floor mounted main speaker, middle speaker, rear surround speaker and heavy bass speaker to build a 5.1-channel home theater system. Because it is an open space, it is generally not suitable to configure side surround speaker.
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