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Ex Vivo Anatomical Characterization of Handsewn or Stapled Jejunocecal Anastomosis in Horses by Computed Tomography Scan
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Comparative Study between the Surgeon's Intraoperative Evaluation and Histopathology for Diagnosis of Laryngeal Lesions
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Distributional Vowel Training Is Less Effective for Adults than for Infants. A Study Using the Mismatch Response
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A Repeated Measures Experiment of School Playing Environment to Increase Physical Activity and Enhance Self-Esteem in UK School Children
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Selective Vulnerability Related to Aging in Large-Scale Resting Brain Networks
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High Gamma Oscillations in Medial Temporal Lobe during Overt Production of Speech and Gestures
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Comparison of Closed-Ended, Open-Ended, and Perceived Informed Consent Comprehension Measures for a Mock HIV Prevention Trial among Women in Tanzania
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Predicting the Perceived Sound Quality of Frequency-Compressed Speech
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Abstract:
The performance of objective speech and audio quality measures for the prediction of the perceived quality of frequency-compressed speech in hearing aids is investigated in this paper. A number of existing quality measures have been applied to speech signals processed by a hearing aid, which compresses speech spectra along frequency in order to make information contained in higher frequencies audible for listeners with severe high-frequency hearing loss. Quality measures were compared with subjective ratings obtained from normal hearing and hearing impaired children and adults in an earlier study. High correlations were achieved with quality measures computed by quality models that are based on the auditory model of Dau et al., namely, the measure PSM, computed by the quality model PEMO-Q; the measure qc, computed by the quality model proposed by Hansen and Kollmeier; and the linear subcomponent of the HASQI. For the prediction of quality ratings by hearing impaired listeners, extensions of some models incorporating hearing loss were implemented and shown to achieve improved prediction accuracy. Results indicate that these objective quality measures can potentially serve as tools for assisting in initial setting of frequency compression parameters.
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Keyword:
Research Article
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URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4234248 https://doi.org/10.1371/journal.pone.0110260 http://www.ncbi.nlm.nih.gov/pubmed/25402456
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A Change in Students' Perceptions of Peer and Faculty Attitudes to Rural Medicine following the Introduction of a Rural Health Rotation
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Biological Effect of Audible Sound Control on Mung Bean (Vigna radiate) Sprout
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Changes in Vowel Articulation with Subthalamic Nucleus Deep Brain Stimulation in Dysarthric Speakers with Parkinson's Disease
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Learning to Pronounce First Words in Three Languages: An Investigation of Caregiver and Infant Behavior Using a Computational Model of an Infant
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The Social Bayesian Brain: Does Mentalizing Make a Difference When We Learn?
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When Small Words Foretell Academic Success: The Case of College Admissions Essays
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Simultaneously Uncovering the Patterns of Brain Regions Involved in Different Story Reading Subprocesses
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Children Use Statistics and Semantics in the Retreat from Overgeneralization
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Facial Masculinity: How the Choice of Measurement Method Enables to Detect Its Influence on Behaviour
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The Predatory Bacterium Bdellovibrio bacteriovorus Aspartyl-tRNA Synthetase Recognizes tRNAAsn as a Substrate
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