Sökning: "speech representation"

Visar resultat 16 - 20 av 44 avhandlingar innehållade orden speech representation.

  1. 16. Text Clustering Exploration : Swedish Text Representation and Clustering Results Unraveled

    Författare :Magnus Rosell; Viggo Kann; Tapio Salakoski; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Informatics; computer and systems science; Informatik; data- och systemvetenskap;

    Sammanfattning : Text clustering divides a set of texts into clusters (parts), so that texts within each cluster are similar in content. It may be used to uncover the structure and content of unknown text sets as well as to give new perspectives on familiar ones. LÄS MER

  3. 17. From Modeling to Perception - Topics in Speech Coding

    Författare :Jan Skoglund; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : Transmission and storage of speech require an efficient representation of the speech signal. The conversion of the acoustic speech waveform into a suitable digital representation is called speech coding. This thesis consists of six papers contributing to different research areas in speech coding. LÄS MER

  4. 18. The acquisition of contrast : a longitudinal investigation of initial s+plosive cluster development in Swedish children

    Författare :Fredrik Karlsson; Kirk P. H. Sullivan; Peter E. Czigler; Marilyn M. Vihman; Umeå universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; phonological contrast; speech development; place and manner of articulation; aspiration; structural complexity; acoustic cues; homonym production; Phonetics; Fonetik;

    Sammanfattning : This Thesis explores the development of word-initial s+plosive consonant clusters in the speech of Swedish children between the ages of 1;6 and 4;6. Development in the word-initial consonant clusters is viewed as being determined by 1) the children’s ability to articulate the target sequence of consonants, 2) the level of understanding of which acoustic features in the adult model production are significant for the signalling of the intended distinction, and 3) the children’s ability to apply established production patterns only to productions where the acquired feature agrees with the adult target, to achieve a contrast between rival output forms. LÄS MER

  5. 19. Modalities of Mind : Modality-specific and nonmodality-specific aspects of working memory for sign and speech

    Författare :Mary Rudner; Jerker Rönnberg; Alan Baddeley; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Cognition; sign language; working memory; fMRI; PET; disability research; Korttidsminne; teckenspråk; Cognitive science; Kognitionsvetenskap;

    Sammanfattning : Language processing is underpinned by working memory and while working memory for signed languages has been shown to display some of the characteristics of working memory for speech-based languages, there are a range of anomalous effects related to the inherently visuospatial modality of signed languages. On the basis of these effects, four research questions were addressed in a series of studies:1. LÄS MER

  7. 20. A study on selecting and optimizing perceptually relevant features for automatic speech recognition

    Författare :Christos Koniaris; W. Bastiaan Kleijn; Richard Heusdens; KTH; []
    Nyckelord :;

    Sammanfattning : The performance of an automatic speech recognition (ASR) system strongly depends on the representation used for the front-end. If the extracted features do not include all relevant information, the performance of the classification stage is inherently suboptimal. LÄS MER