Effect of Processing-based and Microphone-based Noise Reduction Algorithms on Intelligibility-related Acoustic Features: A Parametric Investigation Study

Speech Communication(2016)

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Abstract
•Effects of PNR and MNR on six intelligibility-related acoustic features were investigated.•Measured speech intelligibility using a test in Korean.•AM and SB showed high correlation with /and contribution ratio with/to speech intelligibility.•MNR significantly restored AM and SB after processing but PNR did not.•This may result in a performance difference between PNR and MNR in noisy environments.
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Key words
Acoustic feature,Prosodic cue,Spectral cue,Speech enhancement,Speech intelligibility
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