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The use of auditory models in cochlear implant sound processing strategies aims to improve cochlear implant user perception of speech. This paper presents the implementation of a cochlear implant signal processing strategy on DSP. As for concretization, TMS320C6416 DSP board was chosen. The aim of the new strategy is to obtain more natural sound in CIs by better mimicking the human auditory system...
Aiming at incommodity of extent hearing aid in the market, a new design of hearing aid is brought forward in this paper. First, the system construction is discussed, the difference between which and other hearing aids is it uses FPGA for voice processing. Second, the application of FPGA and embedded soft core Nios II is described, how to utilize SOPC builder explore Nios II embedded processor and...
A voice processor is a dedicated audio signal-processing chip for mobile phones and personal computers that enables high-performance noise reduction and acoustic echo cancellation for highly noisy environments. The algorithms and hardware underlying these chips' performance are based on the sophisticated operation of the human hearing system.
An 8-channel, real-time vibrotactile digital vocoder for artificial hearing is developed. The device is based on a TMS320C25 digital signal processor chip and uses the FFT spectral analysis technique. To improve tactile recognition, a lateral inhibition filter is implemented. Live and taped speech are used to evaluate the performance of the device. Preliminary results indicate that important speech...
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