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SQI 8: New Speech Quality Measure by proudpunk is a document available to read on EtoBox.

What is SQI 8: New Speech Quality Measure about?

1. SQI is a new objective speech quality measure for cellular networks that is based on radio link parameters rather than transmitted speech signals. It provides a score on the dBQ scale to represent speech quality over short utterances of around 2-3 seconds. 2. SQI performance is compared to the ITU-T recommended PSQM method. Results show SQI has higher correlation with subjective listening tests and lower prediction error than PSQM, especially when outliers containing events like handovers are removed.

Author

proudpunk

Language

EN