---
title: "Fixing Echo or Feedback During Conference Calls | Smart Systems"
description: "Troubleshoot and eliminate echo and audio feedback during video conference calls."
url: "https://www.smartsysinc.com/support/fixing-echo-feedback"
---

[Home](https://www.smartsysinc.com/)/[Support](https://www.smartsysinc.com/support)/Fixing Echo or Feedback During Conference Calls

# Fixing Echo or Feedback During Conference Calls

Troubleshoot and eliminate echo and audio feedback during video conference calls.

Meeting Room Technology

## Why Echo Happens

Echo on a conference call occurs when audio from the room's speakers is picked up by the room's microphone and sent back to remote participants.

### Immediate Fixes

1. **Mute unused microphones** — If the room has multiple mics, mute any not near active speakers
2. **Lower the speaker volume** — Reducing room speaker volume decreases the chance of the mic picking up audio
3. **Close laptop lids or mute laptop speakers** — If your laptop speakers are also playing call audio, mute them
4. **Move the microphone away from speakers** — Physical distance reduces echo

### Check Your Setup

- **Only one audio system should be active** — If both your laptop AND the room speakers are active, echo is almost guaranteed
- In Zoom/Teams settings, select the room microphone and room speakers, then mute your laptop's devices

### DSP (Digital Signal Processing)

Your room may include a DSP processor (Biamp Tesira or similar) that handles echo cancellation automatically. If echo is a new problem:
1. The DSP may need a reboot — contact Smart Systems
2. A recent change in speaker or mic placement may have affected calibration
3. A firmware update may be needed

### When to Contact Smart Systems

If echo persists after checking the basics, the room's DSP may need recalibration. We can adjust settings remotely in most cases.

## Related articles

- [Switching Inputs on Your Conference Room Display](https://www.smartsysinc.com/support/switching-conference-room-inputs)
- [Starting a Video Conference in Your Meeting Room](https://www.smartsysinc.com/support/starting-video-conference)
- [Using the Wireless Presentation System](https://www.smartsysinc.com/support/wireless-presentation-system)
- [Requesting Changes to Your Meeting Room Technology](https://www.smartsysinc.com/support/requesting-meeting-room-changes)

## Still stuck?

Submit a ticket or talk to our support assistant, and we’ll take it from here.

[Submit a Ticket](https://www.smartsysinc.com/support?tab=ticket)[(423) 877-8195](tel:+14238778195)