Measuring LiveKit audio quality with video and screen share enabled

LiveKit, an open-source project used for real-time audio and video applications, was recently scrutinized following external claims that audio quality degrades when video is also shared. Contrary to these reports, tests conducted with LiveKit's architecture demonstrated that audio quality remains unaffected by adding video tracks, as audio and video are carried on separate RTP streams, preventing interference. The tests involved three scenarios: audio only, audio with a 720p webcam, and audio with webcam and screen sharing, all of which showed consistent audio quality. Results indicated that LiveKit's adaptive stream and dynacast settings efficiently managed bandwidth without degrading audio quality. While acknowledging the limitations of these tests, such as the lack of geographically distributed participants and varied network conditions, the findings suggest that LiveKit effectively isolates audio from potential video interference, maintaining stable audio performance even when video demands change.

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