通过回放和统计工作，对该数据文件记录的各种信息进行确认。
Through the playback and statistical work, all kinds of information in the transferred data file are confirmed.
该信息文件与记录在该记录介质上的数据文件相关联，且该数据文件包括至少视频数据。
The information file is associated with a data file recorded on the recording medium, and the data file includes at least video data.
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