A new video-synchronized multichannel biomedical data acquisition system.
Zeng S; Powers JR; Hsiao H
IEEE Trans Biomed Eng 2000 Mar; 47(3):412-419
This data acquisition system records video frames onto a video tape, and simultaneously acquires biomedical data along with video time codes onto a computer hard disk to achieve a 30-min video-synchronized data recording with a summed data rate of 2.16 Mbit/s. A time-code-bridge-file created during acquisition matches each video frame-start with the corresponding index number of the acquired data. The mean synchronization accuracy of the system is 0.22 ms.
Biomedical engineering; Data processing; Video display terminals; Audio visual communication; Audio visual aids;
Author Keywords: Data acquisition; multichannel; time code; video framestart; video synchronization
S. Zeng, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV 26505, USA
Research Tools and Approaches: Exposure Assessment Methods
IEEE Transactions of Biomedical Engineering
West Virginia University, Morgantown, West Virginia