| 摘要 |
A data obtaining apparatus includes an obtaining section configured to obtain data units from data transmitted from a transmit apparatus through a network, including a first data containing video or audio data and a second data containing quality influence information of the first data, a determination section configured to determine whether the first data has been lost during transmission, a detection section configured to detect, when the first data has been lost, the second data transmitted before the lost first data and the second data transmitted after the lost first data, from the obtained data units, and an extraction section configured to extract the quality influence information from the detected second data. And, an information acquisition system including the data obtaining apparatus and the transmit apparatus is provided.
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