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    • 2. 发明申请
    • METHOD AND APPARATUS FOR SUPPLEMENTING LOW FREQUENCY SOUND IN A DISTRIBUTED LOUDSPEAKER ARRANGEMENT
    • 用于在分布式扬声器装置中补偿低频声音的方法和装置
    • WO2011089402A1
    • 2011-07-28
    • PCT/GB2011/000091
    • 2011-01-25
    • IML LIMITEDKNOWLES, Anthony, MichaelDAVIES, Christopher, John
    • KNOWLES, Anthony, MichaelDAVIES, Christopher, John
    • H04M1/725H04R1/26H04H60/78
    • H04R1/26H04R3/12H04R27/00H04R2205/024H04R2420/07H04R2499/11
    • 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.
    • 提供一种音频通信系统,用于为区域中的用户生成音频输出,该系统包括多个便携式通信设备供多个用户使用,每个通信设备包括用于由用户输入音频信号的麦克风, 用于产生用于所述用户的音频输出的扬声器,所述扬声器适于在至少第一频带中输出所述音频输出,以及用于无线通信的无线接口,用于从所述麦克风发送所述音频信号,并接收从 由所述扬声器产生所述音频输出的音频源; 以及至少一个低频扬声器装置,其具有用于接收从另一通信装置的麦克风导出的音频信号的接口,以及低频扬声器,其适于仅在低于所述第一和第二频带的第二频带中在所述区域中输出低频音频输出 频带。