家庭影院产品的广告上,AC-3、DVD的曝光率越来越高,如市面流行的具备5.1声道输入功能的功放机被称为AC-3输入功放,可以直接驳接内置AC-3解码器的DVD机。AC-3仿佛成为了5.1声道的代名词,在很多人的印象中,Dolby Digital(AC-3)就等于5.1声道。事实上,AC-3并不等于5.1声道。AC-3只是数字音频编码的一种格式,录制在DVD碟片中的 Home theater products, advertising, AC-3, DVD higher and higher visibility, such as the market with 5.1-channel input power amplifier is known as the AC-3 input amplifier, you can directly connect the built-in AC-3 Decoder DVD player. AC-3 seems to have become synonymous with 5.1-channel, in many people’s minds, Dolby Digital (AC-3) is equivalent to 5.1-channel. In fact, AC-3 does not equal 5.1 channels. AC-3 is just a format for digital audio encoding recorded on DVD discs