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Title: Improvement of speech perception in noise and quiet using a customised Frequency-Allocation Programming (FAP) method
Authors: Falcon Gonzalez, Juan Carlos 
Borkoski Barreiro, Silvia 
Ramos De Miguel, Ángel 
Ramos Macías, Ángel Manuel 
UNESCO Clasification: 32 Ciencias médicas
120601 Construcción de algoritmos
220103 Física de la audición
220199 Otras (especificar)
Keywords: Implantes cocleares
Percepción del habla
Métodos de programación
Issue Date: 2019
Journal: Acta Otorhinolaryngologica Italica 
Abstract: The objective of this study is the evaluation of speech recognition of experienced CI recipients with standard MAP settings using the default frequency-allocation tables with the optimised frequency-allocation MAP. This is an observational, cross-sectional and quantitative-approach study on 50 adult cochlear implant recipients, 20 bilateral and 30 unilateral implant recipients. 23 men (46%) and 27 women (54%). All subjects were ≥ 18 years old. Differences between the means of the thresholds in tone audiometry in free fields were statistically significant in both unilaterally and bilaterally implanted patients; similar results were obtained between average benefits in disyllabic for both unilaterally and bilaterally implanted patients (p < 0.005). The differences between the means of scores were statistically significant for unilaterally and bilaterally implanted patients, similarly occurred with the average in HINT test between standard SRT50% programming and frequency allocation fitting (p < 0.005). Patients using the frequency allocation method, which assigns frequencies based on fundamental frequencies, showed better perception of disyllabic words and open-set sentences in quiet and in noise than patients previously fitted with standard fitting techniques. The method can be applied to different processors and used with different strategies of stimulation. It allows reduction of current intensity levels as well as an increase in the dynamic range and improves the quality of the representation of the signal.
ISSN: 1827-675X
DOI: 10.14639/0392-100X-2013
Source: Acta Otorhinolaryngologica Italica [ISSN 1827-675X], v. 39(3)
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