Invention Grant
US08315403B2 Method for controlling directivity of loudspeaker apparatus and audio reproduction apparatus 有权
用于控制扬声器装置和音频再现装置的方向性的方法

Method for controlling directivity of loudspeaker apparatus and audio reproduction apparatus
Abstract:
To provide an audio reproduction apparatus in which a general user inputs simple and easy settings so that audio beams of respective channels can be set. When an array speaker is installed in a room, the user inputs the shape of the room into the audio reproduction apparatus. Based on the shape of the room, the audio reproduction apparatus determines a beam control pattern indicating which directions audio signals of the channels should be formed respectively. The audio reproduction apparatus reads beam control data including delay times for forming the beams in the directions from a pattern memory, and automatically sets the beam control data in a DSP. Thus, only when the user inputs the shape of the room, the beams are controlled with a beam control pattern suitable to the room so that multi-channel audio can be reproduced optimally.
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