Laboratory evidence suggests that an asymmetric microphone fitting (omnidirectional processing in one ear and directional processing in the other) can provide a directional advantage in background noise that is as great, or nearly as great, as that provided by binaural directional processing
(Bentler et al, 2004). The present study investigated whether the potential benefit of an asymmetric fitting observed in the laboratory extends to real-life listening. Specifically, ease of listening was compared across a variety of real-life listening situations for asymmetric microphone
fittings and bilateral omnidirectional processing. These ratings were compared to determine whether the asymmetric fitting provided an advantage in listening situations in which directional microphone processing is generally preferred and/or a disadvantage in listening situations in which
omnidirectional microphone processing is generally preferred. Results suggest that an asymmetric fitting may be a viable option for patients who cannot or do not switch microphone modes. La evidencia de laboratorio sugiere que una adaptación asimétrica de micrófono (procesamiento
omnidireccional en un oído y procesamiento direccional en el otro) puede aportar una ventaja direccional en medio de ruido de fondo que es tan buena, o al menos casi tan buena, como la otorgada por un procesamiento direccional biauricular (Bentler y col., 2004). El presente estudio
investigó si el beneficio potencial de una adaptación asimétrica observada en el laboratorio se extiende a la audición en la vida real. Específicamente, la facilidad de escucha fue comparada en una variedad de situaciones auditivas en la vida real utilizando
adaptaciones asimétricas de micrófono y de procesamiento omnidireccional bilateral. Estos resultados fueron comparados para determinar si la adaptación asimétrica aportaba una ventaja a la hora de escuchar, situaciones donde se suele preferir el procesamiento por
micrófono direccional, y/o, una desventaja en situaciones auditivas donde se prefiere el procesamiento con micrófono omnidireccional. Los resultados sugieren que una adaptación asimétrica puede ser una opción viable para pacientes que no pueden o no quieren
cambiar la modalidad de micrófono.
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Keywords:
DIRECTIONAL MICROPHONES;
EASE OF LISTENING;
HEARING AIDS;
SPEECH RECOGNITION
Document Type: Research Article
Publication date:
March 1, 2007
More about this publication?
The Journal of the American Academy of Audiology (JAAA) is a scholarly peer-reviewed publication and the official journal of the American Academy of Audiology. JAAA publishes articles and clinical reports in all areas of audiology, including audiological assessment, amplification, aural habilitation and rehabilitation, auditory electrophysiology, vestibular assessment, hearing and balance public health, and hearing and vestibular science. The journal is an online-only publication with a related continuing-education assessment program available to Academy members. Beginning in January 2025, the Academy resumed its role as the publisher of JAAA.
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