A value that describes the device and that the device model holds no fact
for (a codec's name, the screen's size): one of the values the recordings
show, chosen once per quantity and Pigeon session by the same seed as
deviceMeasurement, so a session's events agree with each other.
A value that describes the device and that the device model holds no fact for (a codec's name, the screen's size): one of the values the recordings show, chosen once per quantity and Pigeon session by the same seed as deviceMeasurement, so a session's events agree with each other.