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    • 7. 发明授权
    • Processor for an FM signal receiver and processing method
    • 处理器用于FM信号接收机和处理方法
    • US09172479B2
    • 2015-10-27
    • US13736363
    • 2013-01-08
    • NXP B.V.
    • Temujin Gautama
    • H04H20/48H04H20/89H04B1/16H04H40/72H04B15/00
    • H04H20/89H04B1/1676H04H40/72
    • A processing unit for processing a multi-channel audio signal has a delay element (40) for delaying an FM sum signal (sum) and a converter arrangement (T) for converting an FM difference signal (diff) and a noise signal (diffnoise) to the frequency domain. Frequency-based noise suppression is used to derive a de-noised frequency-domain difference signal using a gain function which is limited to a maximal and a minimal value. This is then converted to the time domain, and the first and second audio signals are calculated from a delayed sum signal (sum2) and the de-noised time domain difference signal (diff2).
    • 用于处理多声道音频信号的处理单元具有用于延迟FM和信号(sum)的延迟元件(40)和用于转换FM差分信号(diff)和噪声信号(diffnoise)的转换器装置(T) 到频域。 使用基于频率的噪声抑制来使用限于最大和最小值的增益函数来导出去噪的频域差分信号。 然后将其转换为时域,并且从延迟和信号(sum2)和去噪时间域差信号(diff2)计算第一和第二音频信号。
    • 10. 发明授权
    • Audio/video entertainment system and method
    • 音视频娱乐系统和方法
    • US08253865B2
    • 2012-08-28
    • US12969139
    • 2010-12-15
    • Tazwell L. Anderson, Jr.Mark A. Wood
    • Tazwell L. Anderson, Jr.Mark A. Wood
    • H04N7/16H04N5/445
    • H04N7/181H04H20/61H04H20/89H04R5/027H04R27/00H04R2420/07
    • The preferred embodiment of the present invention provides a system and method for programming and/or charging one or more audio/video devices such that the audio/video devices will be programmed and charged to receive transmitted audio and video signals associated with an event, allowing a user to use the audio/video device to observe the sights and sounds of the event. A preferred embodiment of the present invention includes a cart with a docking port for each of a plurality of personal audio/video devices, a charger configured to charge the power source of each personal audio/video display device, and programming logic configured to program each of the personal audio/video devices.
    • 本发明的优选实施例提供了一种用于对一个或多个音频/视频设备进行编程和/或充电的系统和方法,使得音频/视频设备将被编程和充电以接收与事件相关联的传输的音频和视频信号,允许 用户使用音频/视频设备观察事件的景点和声音。 本发明的优选实施例包括具有用于多个个人音频/视频设备中的每一个的对接端口的手推车,被配置为对每个个人音频/视频显示设备的电源进行充电的充电器,以及配置成对每个 的个人音频/视频设备。