发明名称
摘要 Proposed is a digital sound system most suitable for a digital speaker device for directly converting analog sound by a circuit using a ”£ modulator and a mismatch shaping filter circuit to output a plurality of digital signals and a plurality of speakers driven by the plurality of digital signals. Provided is a digital speaker driving device characterized in that the device is constituted of a ”£ modulator, a post filter, s driving circuits, and a power supply circuit for supplying power to the ”£ modulator, the post filter and the s driving elements and that the s driving circuits are adapted to s digital signal terminals.
申请公布号 JP5552614(B2) 申请公布日期 2014.07.16
申请号 JP20080314438 申请日期 2008.12.10
申请人 发明人
分类号 H04R3/00;H04R1/40;H04R9/02;H04R9/04;H04R15/00;H04R19/02 主分类号 H04R3/00
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