Ezviz Two-Way Audio Delay: A Practical Fixing Guide

Fixing Ezviz Two-Way Audio Delay: A Complete Guide

The two-way audio feature on Ezviz cameras is incredibly useful, allowing you to communicate with family at home, instruct a delivery driver, or deter an intruder. However, a significant delay or lag in the audio can make real-time conversation impossible and frustrating. This guide is designed to help you troubleshoot and resolve the common causes of two-way audio delay in a professional and easy-to-understand manner.

Audio synchronisation issues are almost always related to network performance. By following the steps below, you can identify the bottleneck and restore clear, timely communication through your camera.

Understanding the Cause of Audio Delay

Before we start fixing things, it's helpful to understand why the delay happens. When you speak into your phone, the audio is digitised, sent over your mobile or Wi-Fi network to the Ezviz servers, then relayed to your camera, which converts it back into sound. The response from the camera's microphone follows the same path back to your phone. A delay, or latency, can be introduced at any point in this journey. Our goal is to minimise this latency.

Step-by-Step Solutions to Reduce Audio Lag

Work through these solutions methodically, testing the audio after each step to see if the issue is resolved.

1. Assess Your Network Strength

The quality of your Wi-Fi connection is the single most important factor for audio performance.

• Check Signal at the Camera: In the Ezviz app, go to your camera's settings and find the 'Wi-Fi Signal Strength' indicator. If it's less than three bars or shows as 'weak', this is likely the primary cause. Try moving your router closer to the camera or installing a Wi-Fi extender.
• Check Signal on Your Phone: The delay could also be caused by a poor connection on your end. Are you on a weak Wi-Fi signal or a slow mobile data network (e.g., 3G or a poor 4G connection)? Try connecting your phone to a strong Wi-Fi network and test the audio again.
• Reduce Network Congestion: Is someone else in your home streaming 4K video or playing online games? Heavy network usage can increase latency. Try testing the two-way audio during a quieter period to see if performance improves.

2. Update Camera Firmware and App Version

Ezviz regularly releases updates that include performance improvements and bug fixes, which can directly address audio processing.

• Update Firmware: Open the Ezviz app, tap on your camera, and go to Settings. Find the Device Version or Firmware section. If an update is available, proceed with the installation. Ensure the camera remains powered on during this process.
• Update Ezviz App: Go to the App Store (iOS) or Google Play Store (Android) and check if there is an update for the Ezviz app itself. An outdated app can cause compatibility issues.

3. Adjust Video and Audio Settings

High-definition video streams consume a lot of bandwidth. By reducing the video quality, you can free up resources for the audio stream, which can reduce the delay.

• Lower the Video Resolution: In the live view for your camera, look for an option to change the video quality. This might be labelled 'Resolution' or have options like 'Ultra HD', 'Hi-Def', and 'Standard'. Switch to a lower setting like 'Standard' and test the audio.
• Check for Audio Settings: Some models may have specific audio settings. Ensure the microphone is enabled and check for any 'noise cancellation' or 'audio mode' settings that could be adjusted.

4. Reboot Your Devices

A simple reboot can often clear temporary glitches that may be affecting performance.

1. Unplug your Ezviz camera from the power source.
2. Restart your Wi-Fi router.
3. Restart your smartphone.
4. Once the router and your phone are fully back online, plug the camera back in and wait for it to reconnect.

Conclusion: Achieving Clear Communication

By optimising your network, keeping your firmware updated, and adjusting quality settings, you can significantly reduce or eliminate the two-way audio delay on your Ezviz camera. A stable and strong Wi-Fi signal is the most critical component for real-time communication. If the problem persists after trying all these steps, the issue might be with your overall internet service provider's latency, which is more difficult to resolve.