With the rapid increase in computing and communication devices the need for security
services has become crucial in information transfer. Protecting the digital information against …

In this paper, a frequency doubler circuit is designed using three ambipolar graphene
transistors. Transistors are connected in series, across the voltage source (V DD) and the …

—In this article, a study on increasing security of audio data encryption with single and
double dimension discrete-time chaotic systems was carried out and application and …

This paper proposes an application of AES on real time secured voice communication
system using FPGA (Field-Programmable Gate Array). The propose system consist of Micro …

Real-time, embedded speech-in-speech hiding has not been widely researched.
Nevertheless, it could be useful, among other cases, in secure mobile telephony. In this …

In this paper, we formed prediction intervals using historical similarities, found through the
direct correlation. At first, a string of 5 to 20 recent samples is correlated with a long training …

This paper presents the static random access memory (SRAM) precharge system by using
an equaliser and a sense circuit. Recent goals of designing SRAM are to reduce area …

Data security has become an important concern for communication through an insecure
channel because the information transferred across the networks has a large chance of …

I would like to thank my supervisor, Prof. Mansun Chan for providing me the opportunity to
research on such an interesting topic and to gather knowledge. Also, I would like to thank …

Automatic volume control (AVC) changes volume of TV/Radio based on surroundings noise.
A number of hardware and software implementation of AVC is available. Conventional AVC …