background : a head and neck (h&n;) cancer severely affect the voice and compromises the patient’s vocal independence. the present study proposed to investigate the difference in the three vital components of voice the pitch, jitter and shimmer in h&n; cancer patients and compared it with age matched healthy volunteers. methods : the voice parameters were ascertained in the freshly diagnosed h&...

H.323 is currently the industry’s predominant standard for offering multimedia services over IP networks, although the session initiation protocol (SIP) continues to generate significant interest in the market-place for rendezvous-based real-time applications. With its greater maturity, H.323-based equipment continues to be deployed in operational networks. However, with the advent of SIP-based...

Motivated by the increased Wi-Fi coverage in metropolitan areas and the emergence of user-centric wireless access schemes, we focus on the provision of secure, user-centric voice services and explore their potential performance-wise, by designing a VoIP communications scheme tailored to open-access wireless environments, but also with wider applicability, and experimenting with it to estimate i...

The stunning growth of WiFi networks, together with the spreading of mobile telephony and the increasing use of Voice over IP (VoIP) on top of Internet, pose relevant questions on the application of WiFi networks to support VoIP services that could be used as a complement and/or competition to the 2G/3G cellular networks. Voice has been, is, and will surely be one of most important killer appli...

Researchers are of the belief that employee voice has favorable effects for both the employee and the organization. However, the effect of employee voice on creativity, and the process through which it influences creativity, has hitherto received little attention. This study aimed at investigating the relationship between perceived employee voice and creativity. Employees of three premier dairy...

Videoconferencing enables people to attend and participate in meetings from remote locations. The key problem faced by electronic attendees is the limited sense of engagement offered by the audiovisual channel. The attendee is typically restricted to a single view of the room and has no ability to interact with presentation technology at the conference site. As a first step to improving the sit...

The main purpose of this study is to investigate how voice is realized by Iranian EFL learners in persuasive English and Persian text types. This discourse-related notion is a required criterion for writing acceptable English. However, L2 learners from cultures other than English might face problems in realizing it, or even ignore it all through their writing. In this connection, the present st...