Study on phonetic context of Malay syllables towards the development of Malay speech synthesizer

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dc.contributor.authorSamsudin, Nur Hana
dc.date.accessioned2014-11-18T07:47:17Z
dc.date.available2014-11-18T07:47:17Z
dc.date.issued2007
dc.descriptionMasteren_US
dc.description.abstractSpeech synthesizer has evolved from parametric speech synthesizer (articulatory and formant synthesizer) to non-parametric synthesizer (concatenative synthesizer). Recently, the concatenative speech synthesizer approach is moving towards corpusbased or unit selection technique. In this approach, the pre-recorded speech segments which are to be used in the synthesizer are stored exactly as how it is recorded. Additional information of the speech waveform is attached to the sound to provide proper annotation of the speech waveform. However, annotations of the speech waveform remain as a loose standard. What should be annotated and how a unit selection process is carried out rely heavily on the developer, and target language, as well as the target domain of the synthesizer usage. Features used to represent pre-recorded speech are varied and treated as language dependent. Until this thesis is written, we are still unaware of any study related to what speech features should be made available in a Malay speech corpus for a Malay speech synthesizer. This thesis addresses the issues of producing a more natural sounding speech synthesizer for Malay. We focus on high level representation of speech features which is the phonetic context of the speech to utter. We conducted an observation on the effect of phonetic context to the quality of concatenated speech. Our hypothesis is to show that, to get the best concatenative speech result, we have to find similar or closest match of phonetic context, between the recorded utterance and target utterance. Hypothetically also, the output quality of this selective method will be better than when we select a segment in random. We also proposed a template which will guide the system to select the best candidate of the speech segment to produce a better synthesized speech for longer utterance. This is because, our study covers only the phonetic aspect of the speech and we did not discussed on other aspects of speech in detail. The template will detail out additional criterion which need to be followed during selection of unit to be concatenated. At the end of the research, we are able to give out the performance and preference rating of the concatenated speech which is based on phonetic context. Finally, we presented the future work to further improve Malay speech synthesizer.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/575
dc.language.isoenen_US
dc.subjectScience computeren_US
dc.subjectphonetic contexten_US
dc.subjectMalay syllablesen_US
dc.subjectMalay speech synthesizeren_US
dc.titleStudy on phonetic context of Malay syllables towards the development of Malay speech synthesizeren_US
dc.typeThesisen_US
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