Results 121 to 130 of about 335,121 (148)

Binaural Dereverberation Based on Interaural Coherence Histograms

open access: yesJournal of the Acoustical Society of America, 2013
A binaural dereverberation algorithm is presented that utilizes the properties of the interaural coherence (IC) inspired by the concepts introduced in Allen et al. [J. Acoust. Soc. Am. 62, 912–915 (1977)]. The algorithm introduces a non-linear sigmoidal coherence-to-gain mapping that is controlled by an online estimate of the present coherence ...
Jörg M. Buchholz   +2 more
exaly   +4 more sources

Multichannel Dereverberation for Hearing Aids With Interaural Coherence Preservation

open access: yes2014 14th International Workshop on Acoustic Signal Enhancement (IWAENC), 2014
Dereverberation for multichannel hearing aids is stillafield of extensive research. If a single desired source is assumed, many binaural spatial filtering techniques such as the minimum variance distortionless response beamformer or the rank-one multichannel Wiener filter (MWF) distort the binaural cues of the residual undesire ds ignal components.
Sebastian Braun   +2 more
exaly   +4 more sources
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Interaural Coherence Estimation With Instantaneous ILD

Proceedings of the 7th Nordic Signal Processing Symposium - NORSIG 2006, 2006
This paper presents a novel computational auditory model inspired by psycho acoustic and neurophysiological findings. The model utilizes the instantaneous difference between the two ear signals to predict spatial hearing cues that humans perceive. The main focus is on the interaural coherence cue, i.e.
Ville Pulkki
exaly   +2 more sources

Spatial Mapping of Intracranial Auditory Events for Various Degrees of Interaural Coherence

Journal of the Acoustical Society of America, 1986
The broadening and splitting of auditory events in dichotic listening conditions with various degrees of interaural coherence are discussed. By using a psychoacoustical mapping method, it has been possible to observe broadening and splitting for a wide range of stimuli, including broadband pink noise as well as bandpass noises with different relative ...
J, Blauert, W, Lindemann
exaly   +3 more sources

Azimuthal Source Localization Using Interaural Coherence in a Robotic Dog: Modeling and Application

Robotica, 2010
SUMMARYIn nature, sounds from multiple sources, as well as reflections from the surfaces of the physical surroundings, arrive concurrently from different directions at the ears of a listener. Despite the fact that all of these waveforms sum at the eardrums, humans with normal hearing can effortlessly segregate interesting sounds from echoes and other ...

exaly   +2 more sources

Interaural Coherence Induced Ideal Binary Mask for Binaural Speech Separation and Dereverberation

2016 10th International Symposium on Chinese Spoken Language Processing (ISCSLP), 2016
We have proposed a spatial-cue based binaural noise reduction algorithm for hearing aids. However, in that algorithm, decision parameters are empirically selected. In this paper, we extend the work and propose a supervised classification algorithm for binaural speech enhancement/separation and dereverberation using a modified ideal binary mask (mIBM ...
Tai-Shih Chi
exaly   +2 more sources

Interaural Coherence Preservation for Binaural Noise Reduction Using Partial Noise Estimation and Spectral Postfiltering

IEEE/ACM Transactions on Audio Speech and Language Processing, 2018
The objective of binaural speech enhancement algorithms is to reduce the undesired noise component, while preserving the desired speech source and the binaural cues of all sound sources. For the scenario of a single desired speech source in a diffuse noise field, an extension of the binaural multichannel Wiener filter (MWF), namely the MWF-IC, has been
Simon Doclo, Daniel Marquardt
exaly   +4 more sources

Interaural Coherence Preservation in Multi-Channel Wiener Filtering-Based Noise Reduction for Binaural Hearing Aids

IEEE/ACM Transactions on Audio Speech and Language Processing, 2015
Besides noise reduction an important objective of binaural speech enhancement algorithms is the preservation of the binaural cues of all sound sources. To this end, an extension of the binaural multi-channel Wiener filter (MWF), namely the MWF-ITF, has been proposed, which aims to preserve the Interaural Transfer Function (ITF) of the noise sources ...
Simon Doclo, Daniel Marquardt
exaly   +2 more sources

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