Design and evaluation of noise reduction techniques for binaural hearing aids (2011)
Abstract / truncated to 115 words
One of the main complaints of hearing aid users is their degraded speech understanding in noisy environments. Modern hearing aids therefore include noise reduction techniques. These techniques are typically designed for a monaural application, i.e. in a single device. However, the majority of hearing aid users currently have hearing aids at both ears in a so-called bilateral fitting, as it is widely accepted that this leads to a better speech understanding and user satisfaction. Unfortunately, the independent signal processing (in particular the noise reduction) in a bilateral fitting can destroy the so-called binaural cues, namely the interaural time and level differences (ITDs and ILDs) which are used to localize sound sources in the horizontal plane. ... toggle 9 keywordsnoise reduction – beamforming – speech enhancement – voice activity detection – sound localization – hearing aids – cochlear implants – binaural cues – binaural hearing aids
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