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S. Voran, "Listening-Time Relationships in a Subjective Speech Quality Experiment," Proceedings of
the 5th International MESAQIN (Measurement of Speech and Audio Quality in Networks) Conference,
Prague, Czech Republic, June 2006.
Abstract:
We have designed, conducted, and analyzed a subjective speech quality experiment with unrestricted timing
where subjects can vote whenever their opinions are fully formed, rather than at fixed time intervals.
Analysis of the resulting listening times reveals that subjects tend to listen for a longer time before
approving a recording and for a shorter time before rejecting a recording. This listening-time difference
tends to increase for poorer quality systems and for more critical subjects. We present a mathematical
model that reproduces these results. In addition, subjects operate more quickly as they move through
the experiment.
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