Speech coding is the process of compressing speech signals for transmission and storage
in communication systems. In recent years, speech coding has become increasingly …

Two new integrated chaotic maps are designed. The sine and logistic maps are used to
create a sine-logistic integrated map (SLIM). The sine and cubic maps are used to design a …

Psychophysiological computing can be utilized to analyze heterogeneous physiological
signals with psychological behaviors in the Internet of Medical Things (IoMT). Since IoMT …

Recently, speech encryption attracts many researchers because of the various applications
of speech communications such as; e-learning, e-banking, military, teleconferencing and …

Pitch detection refers to algorithms for estimating the fundamental frequencies in an audio
file and is usually one of the fundamental steps in processing sounds. However, although …

In this paper a new encryption system has been designed and implemented for real-time
speech transmission to reduce bandwidth requirements, increase security and minimize …

INTRODUCTION: In the online English learning platform, noise interference makes people
unable to hear the content of English teaching clearly, which leads to a great reduction in the …

Image compression is one of the potential techniques for image processing. However, the
compression also takes a certain amount of time, and some algorithms are not adapted to all …

To combat eavesdroppers' attacks in wireless communication, cryptosystems increasingly
use chaotic signals to perform secure transferring of information through public channels …

As the Medical Internet of Things (MIoT) is rapidly evolving, increasing wearable devices are
applied to collect various physiological signals for the purpose of medical applications …