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杜比环绕声已广泛应用于影院、家庭的各种视听设备中。本文介绍了杜比环绕声及更完美的杜比定向逻辑环绕声的工作原理。并详细说明二种典型环绕声IC芯片的结构和应用。
Dolby Surround has been widely used in theaters, home audio-visual equipment. This article describes how Dolby Surround and the more perfect Dolby Pro Logic surround sound work. And detailed description of the structure and application of two typical surround IC chips.