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Erschienen in: International Journal of Speech Technology 3/2022

03.09.2021

FPGA-based modified chaotic system for speech transmission

verfasst von: Hamsa A. Abdullah, Raya K. Mohammed

Erschienen in: International Journal of Speech Technology | Ausgabe 3/2022

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Abstract

Due the property of the chaotic systems by means of randomness, sensitivity to the initial values and large size of keys, chaos masking plays a vital rule in secure communication environment. The FPGA implementation provides low cost and high speed for chaotic communication systems. In this paper, a modified chaotic system with hyper chaotic behavior and key size of 2416 is proposed. Speech masking based on the modified chaotic system is implemented. The proposed system is designed based on System Generator and implemented in hardware using Genesys2 with Kintex7 FPGA board. The results show that the system utilize 74% of the total no. of I/O blocks in the target device. System’s evaluations proved that the secure speech signal is recovered successfully.

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Literatur
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Metadaten
Titel
FPGA-based modified chaotic system for speech transmission
verfasst von
Hamsa A. Abdullah
Raya K. Mohammed
Publikationsdatum
03.09.2021
Verlag
Springer US
Erschienen in
International Journal of Speech Technology / Ausgabe 3/2022
Print ISSN: 1381-2416
Elektronische ISSN: 1572-8110
DOI
https://doi.org/10.1007/s10772-021-09832-0

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