Development and evaluation of psychoacoustically motivated binaural noise reduction and cue preservation techniques (2015)
Abstract / truncated to 115 words
Due to their decreased ability to understand speech hearing impaired may have difficulties to interact in social groups, especially when several people are talking simultaneously. Fortunately, in the last decades hearing aids have evolved from simple sound amplifiers to modern digital devices with complex functionalities including noise reduction algorithms, which are crucial to improve speech understanding in background noise for hearing-impaired persons. Since many hearing aid users are fitted with two hearing aids, so-called binaural hearing aids have been developed, which exchange data and signals through a wireless link such that the processing in both hearing aids can be synchronized. In addition to reducing noise and limiting speech distortion, another important objective of noise reduction ... toggle 12 keywordsbinaural noise reduction – mvdr beamformer – lcmv beamformer – multi-channel wiener filter – partial noise estimation – relative transfer function – binaural cues – interaural time difference – interaural level difference – interaural coherence – diffuse noise – interfering speaker
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