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Applying Intertextuality to Chinese Traditional Animation Making in a Global Context: Using Jingwei Reclamation as an Example
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Understanding of Future Prescribers About Antimicrobial Resistance and Their Preparedness Towards Antimicrobial Stewardship Activities in Pakistan: Findings and Implications
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In: Front Pharmacol (2022)
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A Survey of College Students on the Preference for Online Teaching Videos of Variable Durations in Online Flipped Classroom
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In: Front Public Health (2022)
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Observation of new excited ${B} ^0_{s} $ states
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In: Eur.Phys.J.C ; https://hal.archives-ouvertes.fr/hal-03010999 ; Eur.Phys.J.C, 2021, 81 (7), pp.601. ⟨10.1140/epjc/s10052-021-09305-3⟩ (2021)
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Automatic gain control synchronization and localization (Pastore et al., 2021) ...
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Automatic gain control synchronization and localization (Pastore et al., 2021) ...
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Head Shadow, Summation, and Squelch in Bilateral Cochlear-Implant Users With Linked Automatic Gain Controls
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In: Trends Hear (2021)
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The role of vocabulary breadth and depth in IELTS academic reading tests
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Chen, Chen. - : University of Hawaii National Foreign Language Resource Center, 2020. : Center for Language & Technology, 2020
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Higher blood cadmium level is associated with greater cognitive decline in rural Chinese adults aged 65 or older
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In: Sci Total Environ (2020)
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Examining the Impact of COVID-19 Lockdown in Wuhan and Lombardy: A Psycholinguistic Analysis on Weibo and Twitter
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In: Int J Environ Res Public Health (2020)
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Ranking Power Spectra: A Proof of Concept
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In: Entropy ; Volume 21 ; Issue 11 (2019)
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Piano training enhances the neural processing of pitch and improves speech perception in Mandarin-speaking children
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In: PNAS (2019)
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Multilingual Dialogue Generation with Shared-Private Memory ...
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Essentia: Mining Domain-Specific Paraphrases with Word-Alignment Graphs ...
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Piano training enhances the neural processing of pitch and improves speech perception in Mandarin-speaking children
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A dynamically focusing cochlear implant strategy can improve vowel identification in noise
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Abstract:
OBJECTIVES: The standard, monopolar electrode configuration used in commercially available cochlear implants creates a broad electrical field, which can lead to unwanted channel interactions. Use of more focused configurations, such as tripolar and phased array, have led to mixed results for improving speech understanding. The purpose of the present study was to assess the efficacy of a physiologically inspired configuration called dynamic focusing, using focused tripolar stimulation at low levels and less focused stimulation at high levels. Dynamic focusing may better mimic cochlear excitation patterns in normal acoustic hearing, while reducing the current levels necessary to achieve sufficient loudness at high levels. DESIGN: Twenty post-lingually deafened adult cochlear-implant users participated in the study. Speech perception was assessed in quiet and in a four-talker babble background noise. Speech stimuli were closed-set spondees in noise, and medial vowels at 50 and 60 dB SPL in quiet and in noise. The signal-to-noise ratio was adjusted individually such that performance was between 40 and 60% correct with the monopolar strategy. Subjects were fitted with three experimental strategies matched for pulse duration, pulse rate, filter settings, and loudness on a channel-by-channel basis. The strategies included 14 channels programmed in monopolar, fixed partial tripolar (σ = 0.8), and dynamic partial tripolar (σ at 0.8 at threshold and 0.5 at the most comfortable level). Fifteen minutes of listening experience was provided with each strategy prior to testing. Sound quality ratings were also obtained. RESULTS: Speech perception performance for vowel identification in quiet at 50 and 60 dB SPL and for spondees in noise was similar for the three tested strategies. However, performance on vowel identification in noise was significantly better for listeners using the dynamic focusing strategy. Sound quality ratings were similar for the three strategies. Some subjects obtained more benefit than others, with some individual differences explained by the relation between loudness growth and the rate of change from focused to broader stimulation. CONCLUSIONS: These initial results suggest that further exploration of dynamic focusing is warranted. Specifically, optimizing such strategies on an individual basis may lead to improvements in speech perception for more adult listeners and improve how cochlear implants are tailored. Some listeners may also need a longer period of time to acclimate to a new program.
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Keyword:
Article
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URL: http://www.ncbi.nlm.nih.gov/pubmed/29529006 https://doi.org/10.1097/AUD.0000000000000566 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6129442/
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La transferencia del inglés en el aprendizaje del español por alumnos chinos
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