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Podatkovno vodeni pristop napovedovanja prozodičnih mej z arhitekturami nevronskih mrež [Elektronski vir]Stergar, Janez, 1968-Podatkovno vodeni pristopi (PVP) so postopki, s katerih učimo avtoasociativne strukture z izbranimi parametri iz obsežnih podatkovnih baz. PVP predstavljajo trend na področjih govornih tehnologij ... (adaptaciji sistemov in aplikacij). V kategorijo pomembnih parametrov, ki prispevajo k razumljivosti, predvsem pa k naravnosti sintetiziranega govora, uvrščamo prozodične parametre. PVP omogočajo samodejno izločitev prozodičnih parametrov z analizo ustrezne besedilne zbirke, hkrati pa pogojujejo doslednost in konsistentnost pri njihovem označevanju. Uspešnost napovedovanja prozodičnih parametrov zavisi od postopka označevanja besedilne zbirke. Če smo pri napovedovanju simbolične prozodije - prozodije na nivoju besed, besednih zvez, stavkov in povedi - uspešni, je to pomemben korak k izboljšanju naravnosti sintetiziranega govora. V članku bomo predstavili postopek napovedovanja prozodičnih mej, ki smo jih izločili s samodejno/ročnim označevanjem besedilne zbirke. Preskusili smo uspešnost njihovega napovedovanja z uporabo dveh različnih arhitektur nevronskih mrež (NN). Rezultati uspešnosti napovedovanja izpostavljajo učinkovitost metode označevanja besedilne zbirke, saj smo dosegli dobre rezultate napovedovanja prozodičnih mej že s prepolovljenim obsegom besedilne zbirke (600 povedi). Z arhitekturo klasifikacije napak samodejnoasociativnih nevronskih mrež smo dosegli uspešnost napovedovanja 89,9 %.Source: Raziskovalno delo podiplomskih študentov v Sloveniji - ena znanost [Elektronski vir] : e-zbornik (Str. 415-423)Type of material - e-articlePublish date - 2003Language - slovenianCOBISS.SI-ID - 7852822
Author
Stergar, Janez, 1968-
Topics
sinteza govora |
simbolna prozodija |
prozodične meje |
nevronske mreže |
večnivojski perceptron |
samodejno-asociativne nevronske mreže |
speech synthesis |
symbolic prosody |
prosody boundaries |
neural networks |
multi layer perceptron |
autoassociator classificator architecture
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Stergar, Janez, 1968- | 14915 |
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