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Full-Text Articles in Computer Engineering
An Experimental Analysis Of The Call Capacity Of Ieee 802.11b Wireless Local Area Networks For Voip Telephony, Brian Keegan, Mark Davis
An Experimental Analysis Of The Call Capacity Of Ieee 802.11b Wireless Local Area Networks For Voip Telephony, Brian Keegan, Mark Davis
Conference papers
In this paper we present the results from an experimental study of the call capacity of an IEEE 802.11b network when using VoIP telephony. Experiments include increasing the number of VoIP users in a wireless test-bed and increasing the level of background traffic until network saturation occurs. The experiments allow us to perform an analysis of the access point (AP) buffer dynamics. Results show that the network is capable of supporting up to 16 VoIP stations (STAs). Due to the operation of the IEEE 802.11 medium access control (MAC) mechanism, the AP acts as a bottleneck for all traffic destined …
Harmonically Combined Contour Icons For Concurrent Auditory Display, Charlie Cullen, Eugene Coyle
Harmonically Combined Contour Icons For Concurrent Auditory Display, Charlie Cullen, Eugene Coyle
Conference papers
This paper considers the harmonic combination of basic melodic shapes known as contour icons in concurrent auditory displays. Existing work in the field (such as that concerning earcons) has considered the combination of patterns designed using low level cognitive features, and so effective streaming is difficult. This work investigates means by which musical patterns with high level cognitive features (such as contour) representing data values can be rendered concurrently, so that multiple data sets can be effectively conveyed using an auditory display. The detection and comprehension of harmonically combined contour icons was tested in comparison to those combined uniquely (non …
Musical Pattern Design Using Contour Icons, Charlie Cullen, Eugene Coyle
Musical Pattern Design Using Contour Icons, Charlie Cullen, Eugene Coyle
Conference papers
This paper considers the use of Contour Icons in the design and implementation of musical patterns, for the purposes of detection and recognition. Research work had endeavoured to deliver musical patterns that were both distinct and memorable, and to this end a set of basic melodic shapes were introduced using a Sonification application called TrioSon that had been designed for the purpose. Existing work in the field (such as that concerning Earcon design) has considered the mechanisms by which patterns may be made distinctive, but it is argued that separate consideration must be given to the method of making such …
Serious Gordon: Using Serious Games To Teach Food Safety In The Kitchen., Brian Mac Namee, Pauline Rooney, Patrick Lindstrom, Andrew Ritchie, Frances Boylan, Greg Burke
Serious Gordon: Using Serious Games To Teach Food Safety In The Kitchen., Brian Mac Namee, Pauline Rooney, Patrick Lindstrom, Andrew Ritchie, Frances Boylan, Greg Burke
Conference papers
This paper will describe the development of Serious Gordon, an interactive digital game developed to tech the basics of kitchen food safety to workers in industries dealing with food. The motivations driving the development of the game will be described as will the development process itself. An initial evaluation of the game, from both a technical and pedagogical point of view, will be presented as will conclusions on the viability of using a commercial game engine for the purpose of developing educational games.
Learning Traditional Irish Music Using A Pda, Bryan Duggan
Learning Traditional Irish Music Using A Pda, Bryan Duggan
Conference papers
A common problem experienced by musicians in traditional music sessions is that of recalling tunes on demand from a large repertoire. Traditional music is largely an oral medium and musicians may recall a name or player of a tune or set, but require hearing the first few notes to start the tune. In this paper, we present our work developing TunePal, a tool that can be used by musicians for the storage and retrieval of traditional music melodies for learning purposes. TunePal is specifically desiged to be used by musicians playing Irish traditional music in sessions as it supports the …
Generation Of High Quality Audio Natural Emotional Speech Corpus Using Task Based Mood Induction, Charlie Cullen, Brian Vaughan, Spyros Kousidis, Yi Wang, Ciaran Mcdonnell, Dermot Campbell
Generation Of High Quality Audio Natural Emotional Speech Corpus Using Task Based Mood Induction, Charlie Cullen, Brian Vaughan, Spyros Kousidis, Yi Wang, Ciaran Mcdonnell, Dermot Campbell
Conference papers
Detecting emotional dimensions [1] in speech is an area of great research interest, notably as a means of improving human computer interaction in areas such as speech synthesis [2]. In this paper, a method of obtaining high quality emotional audio speech assets is proposed. The methods of obtaining emotional content are subject to considerable debate, with distinctions between acted [3] and natural [4] speech being made based on the grounds of authenticity. Mood Induction Procedures (MIP’s) [5] are often employed to stimulate emotional dimensions in a controlled environment. This paper details experimental procedures based around MIP 4, using performance related …