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What are the best practices for reducing latency in video conferencing?

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If you use video conferencing for work, education, or socializing, you know how frustrating it can be when the audio and video are out of sync, choppy, or frozen. These problems are often caused by latency, which is the delay between the time a signal is sent and the time it is received. Latency can affect the quality and productivity of your video calls, as well as your communication and collaboration with others. In this article, we will explain what causes latency, how to measure it, and what are the best practices for reducing it in video conferencing.

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1 What causes latency?

Latency can have different sources, such as the distance between the sender and the receiver, the number of devices and networks involved, the type and quality of the equipment and software, and the amount of traffic and congestion on the internet. Some latency is inevitable, but too much can make your video conferencing experience unpleasant and ineffective. Generally, latency of less than 150 milliseconds (ms) is acceptable for video conferencing, while latency of more than 300 ms can cause noticeable delays and disruptions.

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2 How to measure latency?

One way to measure latency is to use a ping test, which sends a small packet of data to a server and measures how long it takes to get a response. You can use online tools or command-line programs to run a ping test to various servers and see the average round-trip time (RTT) in milliseconds. Another way to measure latency is to use a speed test, which also measures your bandwidth, or the amount of data you can send and receive per second. Bandwidth affects how smoothly your video and audio can stream, and it depends on your internet service provider (ISP), your plan, and your connection type. You can use online tools or apps to run a speed test and see your download and upload speeds in megabits per second (Mbps). For video conferencing, you generally need at least 2 Mbps of download and upload speed, but more if you use high-definition (HD) or multiple streams.

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3 How to reduce latency?

To reduce latency and improve video conferencing performance, there are several best practices to keep in mind. For example, using a wired connection such as an Ethernet cable can provide a more stable connection than a wireless one like Wi-Fi or cellular data. Additionally, closing unnecessary programs and tabs on your device can reduce bandwidth and CPU usage. You should also adjust video and audio settings, as well as choose a suitable server location for the best connection. Finally, upgrading your equipment and software can help ensure that all components are working properly.

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4 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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What are the best practices for reducing latency in video conferencing?

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1 What causes latency?

2 How to measure latency?

3 How to reduce latency?

4 Here’s what else to consider

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