Search for dissertations about: "perceptual assessment"

Showing result 6 - 10 of 38 swedish dissertations containing the words perceptual assessment.

  2. 6. Prosody in Swedish Children with Language Impairment. Perceptual, Acoustic and Interactional Aspects

    Author : Christina Samuelsson; foniatri och audiologi Logopedi; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; auditive system and speech; Otorinolaryngologi; audiologi; hörsel- och talorganen; audiology; Otorhinolaryngology; classification; acoustic evaluation; prosody; perceptual evaluations; language impairment;

    Abstract : The aim of this thesis was to explore prosodic problems in Swedish children with language impairment (LI). In the first study, 29 children with LI participated. They were assessed with an assessment procedure for prosody at the word, phrase and discourse levels, developed within this thesis. READ MORE

  4. 7. Methods for Objective and Subjective Video Quality Assessment and for Speech Enhancement

    Author : Muhammad Shahid; Blekinge Tekniska Högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Video Quality Assessment; No-Reference Methods; Reduced-Reference Methods; Subjective Experiments; Speech Enhancement; Adaptive Gain Equalizer;

    Abstract : The overwhelming trend of the usage of multimedia services has raised the consumers' awareness about quality. Both service providers and consumers are interested in the delivered level of perceptual quality. The perceptual quality of an original video signal can get degraded due to compression and due to its transmission over a lossy network. READ MORE

  5. 8. On Enhancement and Quality Assessment of Audio and Video in Communication Systems

    Author : Andreas Rossholm; Blekinge Tekniska Högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; QoE; video quality assessment; video quality metric; multi-linear regression; artificial neural network; support vector machine; quality predictor; machine learning; temporal scaling; spatial scaling; video compression; deblocking filter; noise cancelling; synchronization; audio delay; video delay; GSM interference signal; noise cancellation; notch filtering;

    Abstract : The use of audio and video communication has increased exponentially over the last decade and has gone from speech over GSM to HD resolution video conference between continents on mobile devices. As the use becomes more widespread the interest in delivering high quality media increases even on devices with limited resources. READ MORE

  6. 9. Assessment and differential diagnosis in childhood apraxia of speech

    Author : Susanne Rex; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : Introduction and aims: Childhood Apraxia of Speech (CAS) is a disorder of speech motor planning and programming affecting the ability to transform the linguistic code into movements needed for intelligible speech. CAS is difficult to differential diagnose from other speech sound disorders (SSDs) and the diagnostic procedure involves many decisions based on outcomes from assessments before arriving at the appropriate diagnosis/es. READ MORE

  7. 10. Late Neuropsychiatric Consequences of Stroke in the Elderly

    Author : Thomas Lindén; Göteborgs universitet; []
    Keywords : Epidemiology; Cerebrovascular Disorders; Rehabilitation; Dementia; Perceptual Disorders; Depression; Depressive Disorders; Activities of Daily Living; Health Care Costs; Stroke;

    Abstract : Cognitive impairments and depression have considerable impacts on rehabilitation, quality of life and mortality after stroke. The understanding of cognitive and mood impairments in old and, in particular, very old stroke patients is not sufficient. READ MORE