P.563 - Computer Definition
The ITU-T Recommendation for Single-Ended Method for Objective Speech Quality Assessment in Narrow-Band Telephony Applications, an automated method for evaluating the quality of voice transmissions. P.563 is characterized as non-intrusive, as it does not require inserting a reference signal into the device being tested and does not require the generation of test traffic. See also P.800, P.861, P.862, and narrowband.
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