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    • 28. 发明授权
    • Virtual audio arena effect for live TV presentations: system, methods and program products
    • 实时电视演示的虚拟音频竞技场效果:系统,方法和程序产品
    • US07526790B1
    • 2009-04-28
    • US10107454
    • 2002-03-28
    • Petri Vesikivi
    • Petri Vesikivi
    • H04N7/16
    • H04S7/302H04S2400/11
    • Audio sensors are located in different parts of an arena and are connected to a server by a wireless or wire connection. The sensors are equipped for reception and transmission of audio sounds for selected locations in the arena. The server provides a frequency divided carrier to the respective sensors. The audio sensors are capable of modulating the carrier frequency as a stereophonic sound in the area of the sensor. The server receives, digitizes, and packetizes the stereophonic sensor signals into a plurality of digital streams, each representative of a sensor location in the arena. The audio streams are combined with the video of an event using digital video broadcasting or via a cable system. The viewers are equipped with a control device linked to a TV for a selection of an audio stream by energizing an icon indicative of an audio stream representative of a position in the arena.
    • 音频传感器位于竞技场的不同部分,并通过无线或有线连接连接到服务器。 传感器配备用于接收和传输舞台上选定位置的音频声音。 服务器向相应的传感器提供分频载波。 音频传感器能够将载波频率调制为传感器区域中的立体声。 服务器将立体声传感器信号接收,数字化和打包成多个数字流,每个数字流代表场景中的传感器位置。 音频流与使用数字视频广播的事件的视频或经由电缆系统组合。 观众配备有连接到TV的控制设备,用于选择音频流,通过激发表示在竞技场中的位置的音频流的图标。