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Mean Opinion Score (MOS) Trends

Monitoring > Tunnel Health > MOS > Trends

The Mean Opinion Score (MOS) is a commonly used measure for video, audio, and audiovisual quality evaluation. Perceived quality is rated on a theoretical scale of 1 to 5; the higher the number, the better the quality.


  • The value can be affected by loss, latency, and jitter. In practice, a value of 4.4 is considered an excellent quality target.

  • The Min MOS value reports the worst score within a minute.

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