Voice

This category contains 2 posts

Voice Quality Measurement – E Model

The output from the E model is a scalar quality rating value, R, which varies directly with the overall conversational quality. The model estimates the conversational quality from mouth to ear as perceived by the user at the receive side, both as listener and talker. R = R0 – Is – Id – Ie-eff + … Continue reading

Voice Quality Measurement – MOS

Mean opinion score (MOS) is a test that has been used for decades in telephony networks to obtain the human user’s view of the quality of the network. In multimedia (audio, voice telephony, or video) especially when codecs are used to compress the bandwidth requirement (for example, of a digitized voice connection from the standard … Continue reading

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