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Invention Grant
US08799965B2 On-train information providing device, on-train information providing system, and audio data providing method 有权
列车信息提供装置，列车信息提供系统和音频数据提供方法

On-train information providing device, on-train information providing system, and audio data providing method
Abstract:
The on-train information providing device, which is provided with a controlling unit that transmits to the display device video data that is transmitted from the ground transmitting and receiving device to the on-train transmitting and receiving device, includes a storage unit that stores therein a program listing in which a valid period of video is stored in accordance with each advertisement, audio data transmitted from the ground transmitting and receiving device to the on-train transmitting and receiving device, and video data including audio data; and a sound recognizing unit that attaches a value of 1 or greater as an audio flag to the program listing when the video data does not include any audio data, and attaches 0 as the audio flag to the program listing when the video data includes audio data. The controlling unit sends the audio data corresponding to the audio flag to the radio radiating device.
Abstract(Chinese):

该列车信息提供装置具有向地面发送接收装置发送的图像数据向显示装置发送的控制部，具有存储在列车内的发送接收装置的存储部 根据每个广告存储视频的有效期的程序列表，从地面发送和接收装置发送到列车发送和接收装置的音频数据，以及包括音频数据的视频数据; 以及声音识别单元，当视频数据不包括任何音频数据时，附加值为1或更大的音频标志作为音频标志，并且当视频数据包括音频数据时将0作为音频标志附加到节目列表 。 控制单元将与音频标志相对应的音频数据发送到无线电辐射装置。

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