Over the last few years, we have witnessed the emergence of many network-based multimedia applications, particularly those rich in audio, video, and images. Access to network services has become an integral component of these applications. In this paper, we present a Java-based networking Application Programming Interface (API), and compare the performance of our Java-based API with Microsoft W...

Satellite jitter (SJ) is an important error source that affects the geometric accuracy of high resolution satellite imagery. In this paper, the quantitative relationship between the jitter displacement (image displacement caused by SJ) and relative registration error obtained from parallax images is deduced to be theoretical in detail, and the jitter displacement estimation model is built to es...

Today, One of the most important performance measures in the new burst traffic occurs to 3G and 4G systems is the End-to-End jitter. However, in order to study and analyze Jitter ,many works have been devoted to estimate and evaluate this parameter. In this paper, an analytical approximation for jitter is presented. In one node case, we found that the jitter can be approximated by the average a...

In this paper, we investigate the use of jitter estimation over short time intervals (short-term jitter) for voice pathology detection in the case of running or continuous speech. Short-term jitter estimations are provided by the spectral jitter estimator (SJE), which is based on a mathematical description of the jitter phenomenon. The SJE has been shown to be robust against errors in pitch per...

One of the factors limiting the performance of continuous-time sigma-delta modulators (CTSDM) is clock jitter. This jitter can be classified as synchronous and accumulated/longterm jitter. A clock that is derived from a phase-lock loop (PLL) contains both types of jitter. In this paper, we present a framework that can be used to obtain the output spectrum in the presence of jitter, either synch...

In this paper we present results concerning validity of jitter measurement in strongly irregular voice signals (sustained vowels) moderately corrupted by noise. The performance of four tools for voice analysis is compared on synthetic signals as far as fundamental period and jitter estimation are concerned. Synthesised vowels offer the advantage of a perfect control of the amount of jitter put ...

The conventional synchronous model of digital video, in which video is reconstructed synchronously at the decoder on a frame-by-frame basis, assumes its transport is delayjitter-free. This assumption is inappropriate for modern integrated service packet networks such as the Internet for network delay jitter varies widely. Furthermore, multiframe buffering is not a viable solution in interactive...

In this paper, we develop a QoS-aware traac shaper, which is implemented in LRMP (Local Resource Management Protocol) of the VGAnet Suite. In contrast to the conventional traac shapers, e.g., leaky buckets and token buckets, which simply shape the average rate (and burst) of data transmission without any knowledge of the QoS parameters, e.g., delay jitter and synchronization skew, the QoS-aware...

Sensory pathways in the nervous system possess mechanisms for decreasing spike-timing variability ("jitter"), probably to increase acuity. Most studies of jitter reduction have focused on convergence of many subthreshold inputs. However, many neurons receive only a few active inputs at any given time, and jitter reduction under these conditions is not well understood. We examined this issue usi...

A new Jitter Mitigation feature in the latest generation laser voltage probing (LVP) tool effectively removes PLL jitter from LVP waveforms [Ng Yin S, Lo W, Wilsher K. Next generation laser voltage probing. In: Proceeding, international symposium on testing and failure analysis; 2008. p. 249]. It facilitates the probing of phase-locked loop (PLL) driven circuitry inside of integrated circuits (...