Speech Coding Techniques Chapter 3. Voice Quality (MOS) ITU recommendation of a 5-point scale; Excellent – 5 Good – 4 Fair – 3 Poor – 2 Bad – 1 This metric.
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Speech Signal Processing I By Edmilson Morais And Prof. Greg. Dogil Second Lecture Stuttgart, October 25, 2001.
Speech Signal Processing I By Edmilson Morais And Prof. Greg. Dogil Stuttgart, October 18, 2001.