just noticeable difference (JND)

just noticeable difference (JND)

Digital Noise Reduction and Just Noticeable Differences: 2015

Pittman (2011) reported modern digital noise reduction (DNR) circuits do not have a negative impact on speech perception, and for older children, DNR significantly improved word learning rates in noise. Dillon (2012) reported that directional microphones and modern DNR circuits are beneficial and should be used all the time for children and adults. Pittman (2013) reported that modern DNR circuits can improve the signal-to-noise ratio (SNR) up to 6 dB.

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