Speech quality evaluation is an extremely important problem in modern communication networks. Service providers always strive to achieve a certain Quality of Service (QoS) in order to ensure customer satisfaction. Modeling the speech quality becomes an urgent issue. In this project a computable model for different time scale speech quality evaluation, called E-Model is developed. The results in...

This study investigates the relative influence of two formal features of video games—image quality and sound quality—on presence and enjoyment. A 2 x 2 between subjects experiment was conducted manipulating image quality (high definition vs. standard definition) and sound quality (Dolby 5.1 surround sound vs. Dolby stereo). Results indicated that, while image quality had no effect on outcomes, ...

A concept of image quality metamerism as an expansion of conventional metamerism defined in color science is introduced, and it is applied to segment similar color areas in a cultural property. The image quality metamerism can unify different image quality attributes based on an index showing the degree of image quality metamerism proposed. As a basic research step, the index is consisted of co...

Recent global economic meltdown has opened many avenues of discussion and leaving various questions with its affects. One of them is fate of quality management and its necessity during and after the economic recession. It is established fact that management commitment is one of the most critical success factors to achieve best possible results of quality management implementation. So quality of...

PHYSICIANS SEEKING THE BEST INFORMATION ABOUT PARticular interventions often turn to the results of metaanalyses. Meta-analyses, if done correctly according to explicit rules, will include all relevant studies that meet specified criteria, even those unpublished, to produce an unbiased estimate of the intervention’s worth. If the quality of the component studies of a meta-analysis is poor, then...

0963-8687/$ see front matter 2010 Elsevier B.V doi:10.1016/j.jsis.2010.05.001 * Corresponding author. Tel.: +971 6 5152306. E-mail addresses: [email protected] (N. Gorla), ton Increased organizational dependence on information systems drivesmanagement attention towards improving information systems’ quality. A recent survey shows that ‘‘Improve IT quality” is one of the top concerns facing IT exec...

The book review considers two handbooks “How to collect data in qualitative field research” and “Practices of analysis social sciences” published by the National Research University Higher School Economics 2020 2023, respectively. compensate for acute shortage Russian educational texts on collection sociology. They can be effectively used teaching research disciplines practice. Both have all ch...

Implementing enterprise resource planning systems is a sophisticated, lengthy and costly process which tends to face serious failure. Thus, it is essential to perform the success assessment at the post-implementation stage of an ERP project to evaluate how much the system has succeeded in achieving its predetermined objectives. This paper proposes a practical and extended framework for assessin...

The quality of the data in spreadsheets is less discussed than the structural integrity of the formulas. Yet it is an area of great interest to the owners and users of the spreadsheet. This paper provides an overview of Information Quality (IQ) and Data Quality (DQ) with specific reference to how data is sourced, structured, and presented in spreadsheets.

The important characteristic of international competition between firms from developed and less developed countries is vertical product differentiation, where firms’ quality choices are strategic decisions. We consider a model with sequential quality choice and the possibility of imitation, and compare positive and normative aspects of this setup in free trade and under strategic trade policy. ...