SJ 20771-2000 (English Version) PDF

Scope: This standard specifies the test voice materials, procedures, technical conditions and requirements for the average opinion score evaluation method of military communication system sound quality. This standard is applicable to the subjective evaluation of sound quality of speech coders, speech terminals (or equipment) or speech systems developed and produced in military communication systems and networks, and quantitatively provides the MOS evaluation results of the system under test. This standard is also applicable to the evaluation of speech coding equipment and speech systems in communication systems and networks.

SJ 20771-2000 history

2000 SJ 20771-2000 MOS method of speech quality assessment for military communication systems