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Browsing by Author "Niesler, T"

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Capitalising on North American speech resources for the development of a South African English large vocabulary speech recognition system

Author: Kamper, H ; De Wet, Febe ; Hain, T ; Niesler, T Date: Nov 2014 South African English is currently considered an under-resourced variety of English. Extensive speech resources are, however, available for North American (US) English. In this paper we consider the use of these US resources in the development ... Read more
Comparing manually-developed and data-driven rules for P2P learning

Author: Loots, L ; Davel, M ; Barnard, E ; Niesler, T Date: Nov 2009 Phoneme-to-phoneme (P2P) learning provides a mechanism for predicting the pronunciation of a word based on its pronunciation in a different accent, dialect or language. The authors evaluate the effectiveness of manually-developed as well as ... Read more
Extending an Afrikaans pronunciation dictionary using Dutch resources and P2P/GP2P

Author: Loots, L ; De Wet, Febe ; Niesler, T Date: Nov 2010 In this study we explore the extension of a small Afrikaans pronunciation dictionary by applying phoneme-tophoneme (P2P) and grapheme-and-phoneme-to-phoneme (GP2P) conversion to an existing and more extensive Dutch pronunciation dictionary. ... Read more
Mathematical content browsing for print-disabled readers based on virtual-world exploration and audio-visual sensory substitution

Author: Kruger, Rynhardt P ; De Wet, F ; Niesler, T Date: May 2023 Documents containing mathematical content remain largely inaccessible to blind and visually impaired readers because they are predominantly published as untagged PDF which does not include the semantic data necessary for effective accessibility. ... Read more
Readability index as a design criterion for elicited imitation tasks in automatic oral proficiency assessment

Author: De Wet, Febe ; Muller, P ; Van der Walt, C ; Niesler, T Date: Aug 2011 The authors investigate the effectiveness of using an accepted readability index, the Flesch Reading Ease (FRE) scale, to design prompts for an automatic oral proficiency assessment system. The prompts in question are uttered by the system, ... Read more
The relationship between automatic assessment of oral proficiency and other indicators of first year students' linguistic abilities

Author: De Wet, Febe ; Niesler, T ; Van der Walt, C Date: Nov 2012 Academic literacy proficiency is key to the success of a student at university. Currently, the large-scale assessment of language proficiency, particularly at higher education levels, is dominated by reading and writing tests because listening ... Read more
Resource development and experiments in automatic SA broadcast news transcription

Author: Kamper, H ; De Wet, Febe ; Hain, T ; Niesler, T Date: May 2012 We present a description of the development and evaluation of a first South African broadcast news transcription system. We describe a number of speech resources which have been collected in the resource-scarce South African environment for ... Read more
Segmentation and accuracy-based scores for the automatic assessment of oral proficiency for proficient L2 speakers

Author: De Wet, Febe ; Muller, P ; Van der Walt, C ; Niesler, T Date: Nov 2010 This paper reports on the automatic assessment of oral proficiency for advanced second language speakers. A spoken dialogue system is used to guide students through an oral test and to record their answers. Indicators of oral proficiency are ... Read more
Segmentation and accuracy-based scores for the automatic assessment of oral proficiency for proficient L2 speakers

Author: De Wet, Febe ; Muller, P ; Van der Walt, C ; Niesler, T Date: Nov 2010 This paper reports on the automatic assessment of oral proficiency for advanced second language speakers. A spoken dialogue system is used to guide students through an oral test and to record their answers. Indicators of oral proficiency are ... Read more

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Browsing by Author "Niesler, T"

Browsing by Author "Niesler, T"

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