Figure 1–Pre-tests for witnesses appearing by videoconference (by percentage and number of witnesses)

Since February 2021, the House Administration calls all committee witnesses to schedule pre-tests.

Figure 2–Source of headset with microphone used by witnesses appearing by videoconference (by percentage of witnesses)

Figure 3–Witnesses appearing by videoconference with audio-quality issues recorded during committee meetings (by percentage and number of witnesses)

Figure 4–Causes of audio-quality issues experienced during committee meetings by witnesses appearing by videoconference (by number of recorded issues and resolution)

Issues that could affect a witness' ability to participate in the meeting continue to be identified and, where possible, resolved, during the pre-test and the verification immediately prior to the meeting.

Table 1–Issues experienced by witnesses during pre-test and verification immediately prior to committee meeting

Figure 5–Network connection of committee meeting participants (by percentage of participants)

In general, wired connectivity provides a better audio chain.