PVQAPajaro Valley Quilt Association (Australia)
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These methods are develop by entities such as ASCOM's with the Speech Quality Index (SQI), SEVANA's Passive Voice Quality Analysis (PVQA), or those that have been standardized by ITU POLQA (Perceptual Objective Listening Quality Analysis) [28], which replaced the Perceptual Evaluation of Speech Quality (PESQ) [29].
PVQA Uses two operating modes: * Non-intrusive calculation of MOS Operating * Bulk Fault Detection throughout the mode audio test The PVQA uses 6 input parameters: [24] * "Pvqa.lic" which is a license file issued by Sevana.