What is a .CWA file?
A .CWA file is a type of data file specifically used to store raw actigraphy data, which is data related to physical movement and activity. These files are generated by devices made by Axivity, a company based in the United Kingdom. Axivity devices, such as the AX3 or AX6 models, are commonly used in medical research to study human activity and rest patterns in various cohort studies.
The data in a .CWA file is saved in the Continuous Wave Accelerometer (CWA) binary format. This means that the file contains detailed information about the movement of the person wearing the device, recorded continuously over a period of time. The file not only includes the raw movement data but may also contain additional information, or metadata, about the device settings and configurations used during the recording.
To view or analyze the data contained in a .CWA file, you can use a software program called Open Movement OMGUI. This program is specifically designed to work with .CWA files and is available for Windows computers. Open Movement OMGUI allows users to open and analyze the data from these files. It also provides tools to export the data into more commonly used file formats, such as .WAV (audio files) and .CSV (comma-separated values), which can be helpful for further analysis or sharing the data with others.
In summary, if you have a .CWA file, you are likely dealing with raw data from an Axivity device used to monitor human physical activity. To open and work with this file, you should use the Open Movement OMGUI software on a Windows computer. This will allow you to view the detailed activity data and potentially convert it into other formats for different uses.
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