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Measuring Speech Intelligibility and Hearing-Aid Benefit Using Everyday Conversational Sentences in Real-World Environments
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In: Front Neurosci (2022)
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The importance of processing resolution in “ideal time-frequency segregation” of masked speech and the implications for predicting speech intelligibilitya)
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In: J Acoust Soc Am (2020)
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Development of the Everyday Conversational Sentences in Noise test
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In: J Acoust Soc Am (2020)
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Spectro-temporal weighting of interaural time differences in speech
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In: J Acoust Soc Am (2020)
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Energetic and Informational Components of Speech-on-Speech Masking in Binaural Speech Intelligibility and Perceived Listening Effort
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Abstract:
Speech perception in complex sound fields can greatly benefit from different unmasking cues to segregate the target from interfering voices. This study investigated the role of three unmasking cues (spatial separation, gender differences, and masker time reversal) on speech intelligibility and perceived listening effort in normal-hearing listeners. Speech intelligibility and categorically scaled listening effort were measured for a female target talker masked by two competing talkers with no unmasking cues or one to three unmasking cues. In addition to natural stimuli, all measurements were also conducted with glimpsed speech—which was created by removing the time–frequency tiles of the speech mixture in which the maskers dominated the mixture—to estimate the relative amounts of informational and energetic masking as well as the effort associated with source segregation. The results showed that all unmasking cues as well as glimpsing improved intelligibility and reduced listening effort and that providing more than one cue was beneficial in overcoming informational masking. The reduction in listening effort due to glimpsing corresponded to increases in signal-to-noise ratio of 8 to 18 dB, indicating that a significant amount of listening effort was devoted to segregating the target from the maskers. Furthermore, the benefit in listening effort for all unmasking cues extended well into the range of positive signal-to-noise ratios at which speech intelligibility was at ceiling, suggesting that listening effort is a useful tool for evaluating speech-on-speech masking conditions at typical conversational levels.
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Keyword:
Original Article
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URL: https://doi.org/10.1177/2331216519854597 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6557024/ http://www.ncbi.nlm.nih.gov/pubmed/31172880
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The importance of a broad bandwidth for understanding “glimpsed” speech(a))
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In: J Acoust Soc Am (2019)
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Role of Binaural Temporal Fine Structure and Envelope Cues in Cocktail-Party Listening
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A Dynamic speech comprehension test for assessing real-world listening ability
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A Method for assessing auditory spatial analysis in reverberant multitalker environments
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Development and preliminary evaluation of a new test of ongoing speech comprehension
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Auditory masking of speech in reverberant multi-talker environments
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A Flexible Question-and-Answer Task for Measuring Speech Understanding
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An Examination of speech reception thresholds measured in a simulated reverberant cafeteria environment
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Effect of audibility on spatial release from speech-on-speech masking
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Cognitive spare capacity : evaluation data and its association with comprehension of dynamic conversations
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An Evaluation of the performance of two binaural beamformers in complex and dynamic multitalker environments
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Effect of audibility on spatial release from speech-on-speech masking
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The role of syntax in maintaining the integrity of streams of speech
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Modelling binaural detection of speech stimuli in complex reverberant environments
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The Effect of better-ear glimpsing on spatial release from masking
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