Practical Procedures for Subjective Testing
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Practical Procedures for Subjective Testing

This Handbook describes practical procedures to be used to quantify the perceived audio quality of end-to-end speech and audio communication systems.

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Author(s):
ITU

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The following sections provide an understanding of the process followed by ITU during a typical codec standardization activity. There are other approaches to conducting research, development, and implementation of end-to-end speech communication systems, but they are typically a variation of the ITU-T approach and can be extracted from the following descriptions of test purposes.