Summary
This article outlines common microphone types used in classrooms including lapel, handheld, gooseneck, and ceiling microphones. It also provides best practices for setup and use, along with troubleshooting steps and helpdesk contact information.
Body
Microphone Types
Lapel Microphone (Lavalier)
- A small clip-on microphone typically worn on the collar or lapel.
- Wireless, connects via bodypack transmitter.
- Best for lectures or presentations that involve walking around.
- Clip the mic around six inches below the chin. Avoid brushing against clothing or jewelry.
Handheld Microphone
- A microphone held in the hand or placed in a mic stand.
- Can be wired or wireless depending on the room.
- Best for Q&A sessions, panels, or when passing the mic around.
- Hold the mic close to the mouth and speak directly into the top.
Gooseneck Microphone
- A long, flexible microphone mounted to the lectern or podium.
- Usually hardwired directly into the AV system.
- Ideal for stationary speaking positions such as at a podium.
- Bend the neck so the mic is six to eight inches from the mouth.
Ceiling Microphone
- Microphones installed in the ceiling to passively capture room audio.
- Usually used for lecture capture or video conferencing.
- No user setup is required.
- May not clearly pick up soft voices or distant students. Best used in smaller rooms or with good acoustics.
Microphone Use Best Practices
- Always test the microphone before class using the AV control panel or sound check tool.
- If using a wireless mic, confirm it is turned on and fully charged or has fresh batteries.
- Speak clearly into the microphone and maintain a consistent distance from your mouth.
- Avoid placing the mic near speakers or monitors to prevent feedback.
- Do not put lapel or handheld mics in bags or pockets when not in use.
- If using multiple microphones, make sure the system supports simultaneous use or turn off unused mics to avoid interference.
Troubleshooting Steps
- If the microphone is not working:
- Check that it is selected and unmuted on the AV control panel.
- Verify that the mic is turned on and properly connected (or paired if wireless).
- Inspect for battery issues or range limitations.
- Make sure you are using the correct input channel for the mic in the room.
- Try switching to a backup mic if available.
Helpdesk and Hours
- Fastest option: Submit a support request at av.as.cornell.edu. A QR code is also available on the projector splash screen and the Teaching Station sticker.
- Phone: 607-882-1646
- Email: as-avhelp@cornell.edu
- Support hours: Weekdays, 8:00 a.m. – 4:30 p.m.
- After hours: Submit a ticket or leave a voicemail. We will review and respond during the next business day.
- During teaching hours: Call or submit a ticket immediately. We can often begin remote troubleshooting right away and dispatch a technician within about 10 minutes.