Auditory Spectro-Temporal Pattern Analysis
Abstract
The long-term aim of this project was a better understanding of auditory processes which use across-frequency or across-ear temporal envelope and modulation differences cues to aid performance. Areas of investigation included comodulation masking release (CMR), the masking-level difference (MLD), temporal resolution, and the processing of amplitude and frequency modulation. The goals of the proposed experiments were to (1) examine the possible relation between CMR and auditory phenomena related to auditory grouping, or auditory scene analysis; (2) examine how CMR and MLD effects combine, and to examine the possible relation between CMR and the MLD for narrowband noise maskers; (3) to determine the extent to which across-frequency correlation of temporal envelopes may influence gap detection for wideband stimuli; (4) determine whether masking release can be derived from cues based upon across frequency coherence of frequency modulation; (5) examine a modulation masking phenomenon related to frequency modulation. The tasks involved signal detection in masking noise, temporal gap detection, and the detection of frequency modulation.
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 01, 1993
- Accession Number
- ADA264691
Entities
People
- Joseph W. Hall
Organizations
- University of North Carolina at Chapel Hill