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音视频(A-V)接收机好比是家庭影院系统的大脑和肌肉。它执行着许多功能,从选择信号源到把信号放大以驱动你的音箱。AV接收机是家庭影院系统中你要打交道最多的东西,不管是通过前面板还是通过遥控器。 A-V接收机通常还被称作环绕声接收机,与传统的立体声接收机作用差不多,但也有几个重要的差别。立体声和AV接收机都负责信号源的选择,控制系统的播放音量,放大信号驱动音箱,但AV接收机另有三点独特之处:(1)它包含了某种环绕声解码电路;
Audio-video (A-V) receivers are like the brain and muscle of a home theater system. It performs many functions, from selecting the source to amplifying the signal to drive your speakers. The AV receiver is the home theater system you want to deal with most things, whether through the front panel or through the remote control. The A-V receiver, also commonly referred to as a surround-sound receiver, works in much the same way as a conventional stereo receiver, but there are several important differences. Stereo and AV receivers are all responsible for selecting the source, controlling the playback volume of the system and amplifying the signal to drive the speakers, but the AV receiver has three other unique features: (1) it contains some kind of surround sound decoding circuitry,