发明名称 |
Bass management system for home theater equipment |
摘要 |
A setup to be used in a home theater or sound reproduction system for handling low frequency sound signals with a signal source providing several full bandwidth digital sound channels and at least one digital low frequency subwoofer channel includes a delay-and level control unit at least for each full bandwidth signal channel, which is equipped for a speaker not capable of reproducing low frequency sounds. A first summing stage creates the sum channel by summing the delay-and level controlled signal channels. A second summing stage adds a low frequency subwoofer channel to the sum channel in order to create a digital bass channel. A DA-conversion, amplifying, lowpass-filtering and volume control unit processes the digital bass channel in order to create an analog bass channel.
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申请公布号 |
US6332026(B1) |
申请公布日期 |
2001.12.18 |
申请号 |
US19980043681 |
申请日期 |
1998.05.01 |
申请人 |
FLEXTRONICS DESIGN FINLAND OY |
发明人 |
KUUSAMA JUHA;JUHOLA MINNA;LAAKSONEN JUHA |
分类号 |
H04S3/00;H04S7/00;(IPC1-7):H04R5/00 |
主分类号 |
H04S3/00 |
代理机构 |
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代理人 |
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地址 |
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