- Speech and music signal processing
- Audio Engineering
- Assistive Hearing Devices (implantable/non-implantable)
- Psychoacoustics & Physiological Acoustics
- Auditory Neuroscience Analysis & Modeling
- Medical Instrumentation & Systems
- Functional Imaging
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Analyzing Auditory Evoked Cortical Response to Noise-Suppressed Speech in Cochlear Implant Users Using Mismatch Negativity (IEEE Computer Society, 2019-03)Speech perception in background noise remains a challenge in cochlear implant (CI) users, and noise-suppression processing (e.g., Wiener filtering) has been commonly utilized to improve speech perception for CI users. It ...
(IEEE Computer Society, 2019-03)The extent, to which people listen to and perceive the speech content at different noise levels varies from individual to individual. In past research projects, the speech intelligibility was determined by rating assessment, ...
In sinusoidal modeling (SM), speech signal, which is pseudo-periodic in structure, can be approximated by sinusoids and noise without losing significant speech information. A speech processing strategy based on this ...
Wavelet Scattering Transform for Variability Reduction in Cortical Potentials Evoked by Pitch Matched Electro-Acoustic Stimulation in Unilateral Cochlear Implant Patients Cochlear implant (CI) restores the hearing sensation in profoundly deafen patients by directly stimulating auditory nerve with electric pulses using an array of tonotopically inserted electrodes. Basal electrodes stimulate ...
Relative levels of speech and noise, which is signal-to-noise ratio (SNR), alone as a metric may not fully account how human perceives speech in noise or making judgement on the sound quality of the speech component. To ...