发明名称 SPEAKER ARRAY DEVICE
摘要 PROBLEM TO BE SOLVED: To reproduce, with high quality, a highs part other than a space aliasing frequency of wavefront synthesis method by using a speaker array including a plurality of speaker units.SOLUTION: A speaker array device pertaining to the present invention is a speaker array device for performing sound reproduction of multi-channel acoustic method by using a plurality of speakers arranged around a display, the speaker array device comprising: an original signal speaker unit for reproducing the acoustic signal of a channel disposed in front of a viewer; a wavefront synthesis processing unit for converting the acoustic signal of the channel disposed in front of the viewer into a drive signal of wavefront synthesis method; a low-pass filter for removing a highs part of a frequency component of the drive signal; and a wavefront synthesis speaker unit for reproducing the drive signal which has had its highs part removed.
申请公布号 JP2014204362(A) 申请公布日期 2014.10.27
申请号 JP20130080440 申请日期 2013.04.08
申请人 NIPPON HOSO KYOKAI <NHK> 发明人 SUGIMOTO TAKEHIRO;OKUBO HIROYUKI;OISHI SATOSHI;ISHII KEIJI
分类号 H04R1/40;H04R3/00 主分类号 H04R1/40
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