Nano Science and Technology Institute
Nanotech 2006 Vol. 3
Nanotech 2006 Vol. 3
Technical Proceedings of the 2006 NSTI Nanotechnology Conference and Trade Show, Volume 3
Chapter 1: Nano and Molecular Electronics and Photonics

Audio Signal Processing Using Mixed Hardware-Software Approach

Authors:A. Rominski, Z. Ciota and A. Napieralski
Affilation:Technical University of Lodz, PL
Pages:63 - 65
Keywords:signal processing, speech processing, system on chip
Abstract:In this paper the possibilities of modern audio-processing systems have been described. One of the most important tasks is a proper definition of feature vectors. For example, the long-term spectra vector has been chosen as the background for text-independent verification system.
A system of audio processing has been designed and performed in CMOS technology. The prototype contains high precision CMOS integrated filters and also digital memory to control all functions of audio signal processing, including software radio capabilities. The implementation of the proposed algorithm as hardware-software system, including mixed analog-digital approach, should improve the speed and also the quality of the system.
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