Mean Opinion
Mean opinion score (MOS) is a metric used in the field of telecommunications and audiovisual quality assessment to measure the overall quality of a system or service as perceived by users. It is a subjective measurement that takes into account various factors such as audio and video quality, latency, and overall user experience.
MOS is typically measured on a scale from 1 to 5, with 1 being the lowest possible score and 5 being the highest. A score of 1 indicates poor quality, while a score of 5 indicates excellent quality. The score is determined through user testing and feedback, where users are asked to rate their experience with a particular system or service.
There are several methods for calculating MOS, including the ITU-T P.800 standard, which uses a series of test stimuli and subjective ratings to determine the overall quality of a system. Other methods include the E-model, which takes into account factors such as delay, jitter, and packet loss to calculate a MOS score.
MOS is an important metric for telecommunications companies and service providers, as it provides valuable insight into the quality of their systems and services. By monitoring MOS scores, companies can identify areas for improvement and make necessary adjustments to enhance the overall user experience.
In conclusion, mean opinion score is a critical metric for measuring the quality of telecommunications and audiovisual systems. By understanding and monitoring MOS, companies can ensure that their systems and services meet the expectations of users and provide a high-quality experience.
Author: Stephanie Burrell