Does anyone know of sources of various types of noise to evaluate the impact on noise-reduction algorithms? Thanks in advance. Nancy E. Vaughan, Ph.D. Assistant Professor Speech and Hearing Sciences Washington State University 601 W. First Avenue Spokane, WA 99201-3899 Phone: 509-358-7587(W) 509-536-2897 (H) Fax: 509-358-7600 email: nvaughan@wsu.edu