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A discourse model of affect for text-to-speech synthesis
(Pattern recognition association of South Africa (PRASA), 2013)
This paper introduces a model of affect to improve prosody in text-to-speech synthesis. It operates on the discourse level of text to predict the underlying linguistic factors that contribute towards emotional appraisal, ...
A distributed approach to speech resource collection
(Pattern recognition association of South Africa (PRASA), 2013)
We describe the integration of several tools to enable the end-to-end development of an Automatic Speech Recognition system in a typical under-resourced language. Google App Engine is employed as the core environment for ...
Measurement and verification of the Eskom irrigation pumping standard product programme: evaluation of crop load factors
(2013)
Eskom Integrated Demand Management (IDM) also
included irrigation in the Standard Product
Programme (SPP) to cater for smaller irrigation
Energy Efficient (EE) projects. The irrigation sector is a
large energy consumer ...
Transmission line monitoring system for a power line inspection robot
(2013)
Eskom has thousands-of-kilometres of transmission lines running across South Africa. The
current methods of overhead power line inspection (foot patrols and air inspections) have been
implemented for a long time now and ...
The semi-automated creation of stratified speech corpora
(Pattern recognition association of South Africa (PRASA), 2013)
Smartphones provide an efficient means for the collection of speech data; however, the quality of the corpora created in this fashion is not predictable. We describe an approach that allows us to post-process and rank ...
Fuel ethanol production from sweet sorghum bagasse using microwave irradiation
(ETA-Florence Renewable Energies, 2013)
Sweet sorghum is a hardy crop that can be grown on marginal land and can provide both food and energy in an integrated food and energy system. Lignocellulose rich sweet sorghum bagasse (solid left over after starch and ...
A comparison of biodiesel purification methods
(ETA-Florence Renewable Energies, 2013)
The purification of biodiesel is of cardinal importance to ensure the final product meets industry standards. This final step in the production stage contributes a large portion of the cost attributed to biodiesel production. ...
Enzymatic recovery of water from water hyacinth
(ETA-Florence Renewable Energies, 2013)
This study sought to assess the viability of utilizing water recovered from a declared aquatic weed, Eichhornia crassipes, commonly known as the water hyacinth, for domestic, industrial and agricultural purposes. Celluclast, ...
Thermochemical liquefaction of water hyacinth
(ETA-Florence Renewable Energies, 2013)
The use of non-edible biomass should be investigated as alternatives for biofuel production. Aquatic weeds like water hyacinth (WH) are classified as third generation crops. WH in South Africa is an invasive species that ...
N-gram based language identification of individual words
(PRASA, 2013)
Various factors influence the accuracy with which the language of individual words can be classified using n-grams. We consider a South African text-based language identification (LID) task and experiment with two different ...