Patent ID: 7889878
Filing Date: 2011-02-15
Classification: H04R,H04S

Abstract:
1. A speaker array apparatus comprising: a speaker array that has a plurality of speakers for outputting audio beams based on a test audio signal; a test sound sweep portion that sweeps with the audio beams; a microphone that is placed in a listening position and collects a test sound including direct sounds and reflected sounds of the audio beams output from the speaker array; a storage portion that stores a signal level of the test sound collected by the microphone, and sweep angles with which audio beams corresponding to the test sound are output; a selection portion that selects a plurality of peaks of the signal level based on the signal level of the test sound stored in the storage portion; and a beam setting portion that sets the sweep angles of the selected plurality of peaks as beam output angles which are angles to output audio beams of channels of a multi-channel surround-sound respectively; wherein the beam setting portion sets a sweep angle of a peak where the signal level of the test sound is the highest as a beam output angle of a center channel of the multi-channel surround-sound.