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Browsing by Author "Kleynhans, N"

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An investigation into spoken audio topic identification using the Fisher Corpus

Author: Kleynhans, N Date: Nov 2014 There are many services that generate or archive vast amounts of spoken audio data, on a daily basis. It is infeasible for humans to create annotations, by listening to all this data, so automatic methods are needed to process the data and ... Read more
Pooling ASR data for closely related languages

Author: Van Heerden, C ; Kleynhans, N ; Barnard, E ; Davel, M Date: May 2010 We describe several experiments that were conducted to assess the viability of data pooling as a means to improve speech-recognition performance for under-resourced languages. Two groups of closely related languages from the Southern Bantu ... Read more
Spoken language identification system adaptation in under-resourced environments

Author: Kleynhans, N ; Barnard, E Date: Dec 2013 Speech technologies have matured over the past few decades and have made significant impacts in a variety of fields, from assistive technologies to personal assistants. However, speech system development is a resource intensive activity and ... Read more
Unsupervised acoustic model training: comparing South African English and isiZulu

Author: Kleynhans, N ; De Wet, Febe ; Barnard, E Date: Nov 2015 Large amounts of untranscribed audio data are generated every day. These audio resources can be used to develop robust acoustic models that can be used in a variety of speech-based systems. Manually transcribing this data is resource intensive ... Read more
Unsupervised topic modelling on South African parliament audio data

Author: Kleynhans, N Date: Nov 2014 Using a speech recognition system to convert spoken audio to text can enable the structuring of large collections of spoken audio data. A convenient means to summarise or cluster spoken data is to identify the topic under discussion. There ... Read more

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Browsing by Author "Kleynhans, N"

Browsing by Author "Kleynhans, N"

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