Results of speech processor upgrade in a population of Veterans Affairs cochlear implant recipients.

Objective: This study aimed to evaluate the change in performance when the Speak processing strategy replaced the Mpeak strategy.

Subjects: Twenty-one veterans who participated in the original Department of Veterans Affairs Multicenter Cochlear Implant Study, received the Nucleus F0F1F2 processor (Cochlear Corp., Englewood, CO, U.

Low- and high-pass filtered Northwestern University Auditory Test No. 6 for monaural and binaural evaluation.

Two protocols developed for the Tonal and Speech Materials for Auditory Perceptual Assessment audio compact disc are low- and high-pass filtered versions of the Northwestern University Auditory Test No. 6 (female speaker). Two experiments were performed on subjects with normal hearing to determine the needed filter characteristics of the words.

Multiple frequency tympanometry: effects of ear canal volume compensation on static acoustic admittance and estimates of middle ear resonance.

Three methods for compensating multiple frequency acoustic admittance measurements for ear canal volume were studied in 26 men with normal middle ear transmission systems. Peak compensated static acoustic admittance (magnitude of y) and phase angle (phi) were calculated from sweep frequency tympanograms (226-1243 Hz in 113 Hz increments). Of the procedures used to compensate for volume in rectangular form, the ear canal pressure used to estimate volume had the largest effect on the estimate of middle ear resonance.

Spondaic word detection and recognition functions for female and male speakers.

The Department of Veterans Affairs recently produced a compact disc of speech audiometry materials. The compact disc, which is available commercially, includes the W-1 spondaic words recorded by a female speaker. Two experiments were conducted.