发明名称 |
METHOD AND APPARATUS FOR SUPPLEMENTING LOW FREQUENCY SOUND IN A DISTRIBUTED LOUDSPEAKER ARRANGEMENT |
摘要 |
<p>An audio communication system is provided for generating an audio output for users in a region, the system comprising a plurality of portable communications devices for use by a respective plurality of users, each communications device comprising a microphone for inputting an audio signal by a user, a loudspeaker for generating an audio output for said user, said loudspeaker being adapted to output said audio output in at least a first frequency band, and a wireless interface for wireless communication to transmit said audio signals from said microphone and receive audio signals derived from an audio source for generating said audio output by said loudspeaker; and at least one low frequency loudspeaker device having an interface for receiving audio signals derived from a microphone of another communications device, and a low frequency loudspeaker adapted to output a low frequency audio output in said region only in a second frequency band lower than said first frequency band.</p> |
申请公布号 |
EP2529540(A1) |
申请公布日期 |
2012.12.05 |
申请号 |
EP20110703472 |
申请日期 |
2011.01.25 |
申请人 |
IML LIMITED |
发明人 |
KNOWLES, ANTHONY, MICHAEL;DAVIES, CHRISTOPHER, JOHN |
分类号 |
H04M1/725;H04H60/78;H04R1/26 |
主分类号 |
H04M1/725 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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