Abstract
Introduction and objectiveMusic is a universal, cross-cultural phenomenon. Perception and enjoyment of music are still not solved with current technological objectives of cochlear implants. The objective of this article was to advance the development and validation of a method of programming of cochlear implants that implements a frequency allocation strategy. We compared standard programming vs frequency programming in every subject. MethodsWe studied a total of 40 patients with cochlear implants. Each patient was programmed with an optimal version of the standard program, using the Custom Sound Suite 3.2 cochlear platform. Speech tests in silence were performed using syllable word lists from the protocol for the assessment of hearing in the Spanish language. Patients implanted bilaterally were tested in both ears at the same time. For assessing music listening habits we used the Munich Music Questionnaire and “MACarena” (minimum auditory capability) software. ResultsAll patients achieved better results in recognition, instrument tests and tonal scales with frequency programming (P<.005). Likewise, there were better results with frequency programming in recognising harmonics and pitch test (P<.005). ConclusionsFrequency programming achieves better perception and recognition results in patients in comparison with standard programming. Bilateral stimulation patients have better perception of musical patterns and better performance in recognition of tonal scales, harmonics and musical instruments compared with patients with unilateral stimulation. Modification and frequency allocation during programming allows decreased levels of current intensity and increase the dynamic range, which allows mapping of each audio band less obtrusively and improves the quality of representation of the signal.
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