ON-TRAIN INFORMATION PROVIDING DEVICE, ON-TRAIN INFORMATION PROVIDING SYSTEM, AND AUDIO DATA PROVIDING METHOD

摘要

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.