ITU-T P.85-1994 Method for Subjective Performance Assessment of the Quality of Speech Voice Output Devices - Telephone Transmission Quality Subjective Opinion Tests Study Group 12; 13 pp
Voice servers are now available for Public Switched Telephone Network subscribers. These devices make use either of stored announcements or of synthetic speech. Synthetic speech may be produced from stored segments such as words, syllabes or diphones; it
ITU-T P.85-1994 history
1994ITU-T P.85-1994 Method for Subjective Performance Assessment of the Quality of Speech Voice Output Devices - Telephone Transmission Quality Subjective Opinion Tests Study Group 12; 13 pp