The EmotiBit captures data from all sensors and creates a single data file. This data file stored on the SD-Card, should be parsed using the EmotiBit DataParser(available with the EmotiBit software bundle). The data represented by the columns in the parsed file is explained below.
| EpochTimestamp | Each data point has a real-world timestamp associated with it. You can read more about epoch timestamp here. Each data point has a unique timestamp associated with it. |
| EmotiBitTimestamp | The local emotibit device timestamp. Since the clock on MCU can have high variability, we recommend using the Epoch timestamp instead |
| PacketNumber | Data points are stored as "packets" during transmission and recording. The packetNumber identifies the packet, the corresponding sample was a part of.(you will notice that the packet number are sequentially increasing) |
| DataLength | This corresponds to the number of data points in each packet |
| TypeTag | Represents the Type of data being represented. You can refer the type tags here |
| ProtocolVersion | For internal use. In the future, This value may represent a change in the data structure, etc. |
| DataReliability | As of now, this field is not being used, but in the future, we intend to use it to track data reliability after transmission. |
| Data | The column name is the typetag of the represented data. As an example, for the PG(PPG green) channel, this column header would be PG, and the data in this column corresponds to the data recorded for PG |
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