Information transmission with an eight channel bipolar cochlear implant. Acoustic simulation experiments

In order to find the best stimulus parameters for the processing of a speech signal for cochlear implant applications, a speech processor was developed. The information which can be transmitted by means of an eight channel implant is simulated. The results indicate that identification and forced choice discrimination of (CV) and (VC) syllables is possible. The perception of consonants is more affected than that of vowels. Within one test session an effect of learning was established which remained restricted to the trained filter condition.