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The sound-field of a Caribbean low tenor steelpan is examined using nearfield acoustical holography (NAH). The particular instrument, a Bertrand Kelman low tenor, has been previously examined in a single plane using a four microphone sound intensity technique. This paper will examine the sound radiation in a cuboid space enclosing the instrument at three frequencies. Presented will be the results of sound pressure level (SPL), active acoustic intensity (AI), and reactive acoustic intensity (RI) obtained through application of the NAH technique. The limitations of NAH when applied to an irregularly shaped object such as a tenor steelpan will also be presented.

The Department of Electrical and Computer Engineering at The University of the West Indies' (UWI') St Augustine Trinidad and Tobago Campus conducted a review and revision of its BSc mathematics programming in 2009. The review was framed to take account of strategic as well as operational imperatives of an accredited degree in the context of a number of resource and other constraints typical of small island developing states. Intake, content and delivery were examined and the findings were used to guide the revision exercise. Associated interventions were assessed five years later. This paper provides an account of the considerations and process for the review and revision exercises. It discusses student performance and other indicators before and after the interventions; and examines the new curriculum against fit for purpose criteria alongside programming in best in class institutions and UK-based accreditation reference points. The paper closes with recommendations for ongoing review and revision cycles applicable to the Department at the UWI and other similarly situated institutions.

Absfrucf -High-speed digital computers and sophisticated digital signal processing software now make it possible to obtain anechoic measurements without the use of an anechoic room. This paper presents the results of a preliminary investigation into the use of cepstrum analysis to determine the echo-free sound dispersion characteristics of a musical instrument -the Caribbean steelpan. A brief review of the theory behind cepstrum analysis and a detailed discussion of the data obtained by using this technique are presented.

Critical Infrastructures (CIs) are essential assets used to maintain vital societal functions, for example utilities such as power, water, gas, and telecommunication networks. CIs comprise two main parts, namely a: Cyber component and a Physical component, which allow them to operate. Therefore, the occurrence of faults or attacks in either domain can result in the disruption of services, causing negative impacts beyond the system itself. The purpose of this article is to raise awareness within Trinidad and Tobago and, by extension, the Caribbean on the importance of maintaining resilient and cyber secure CIs for the purpose of critical infrastructure protection (CIP) given the current situation. A review of past incidents from 2012 - 2022 taken place both regionally and internationally is discussed, with major emphasis on those occurring in the Caribbean region. These incidents have been presented from the perspective of faults and cyber-attacks affecting CIs resulting in the disruption of services. In responding to frequently occurring scenarios, recommendations on the way forward have been proposed. Keywords: Critical Infrastructures (CIs), Critical Infrastructure Protection (CIP), Resilient Control, Cyber-attacks, Fault Tolerant Control