Sökning: "speech communications"

Visar resultat 6 - 10 av 28 avhandlingar innehållade orden speech communications.

1. 6. Breaking digital firewalls : analyzing internet censorship and circumvention in the arab world

   Författare :Walid Al-saqaf; Stig-Arne Nohrstedt; Åke Grönlund; Naomi Sakr; Örebro universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Internet censorship; filtering; circumvention; Alkasir; Arab Spring; free speech; liberation technology; authoritarianism; freedom of expression; Media and Communication Studies; Medie- och kommunikationsvetenskap;

   Sammanfattning : This dissertation explores the role of Internet censorship and circumvention in the Arab world as well as Arabs’ views on the limits to free speech on the Internet.The project involves the creation of an Internet censorship circumvention tool named Alkasir that allows users to report and access certain types of censored websites. LÄS MER

3. 7. Parkinson’s Disease and Communication : Intelligibility, Interaction and Participation

   Författare :Inga-Lena Johansson; Nicole Müller; Christina Samuelsson; Christina Reuterskiöld; Margaret Walshe; Linköpings universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Parkinson’s disease; Intelligibility; Speech acoustics; Interaction; Communicative participation; Communication partner;

   Sammanfattning : Parkinson’s disease is a neurodegenerative disorder affecting dopamine production in the basal ganglia. It is a common cause of disability among elderly people. The main symptoms are tremor, rigidity, and bradykinesia, but there is a substantial individual variation of how the disease manifests itself. LÄS MER

4. 8. Speech Enhancement Using Nonnegative MatrixFactorization and Hidden Markov Models

   Författare :Nasser Mohammadiha; Arne Leijon; W. Bastiaan Kleijn; Cédric Févotte; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Speech enhancement; noise reduction; nonnegative matrix factorization; hidden Markov model; probabilistic latent component analysis; online dictionary learning; super-Gaussian distribution; MMSE estimator; temporal dependencies; dynamic NMF;

   Sammanfattning : Reducing interference noise in a noisy speech recording has been a challenging task for many years yet has a variety of applications, for example, in handsfree mobile communications, in speech recognition, and in hearing aids. Traditional single-channel noise reduction schemes, such as Wiener filtering, do not work satisfactorily in the presence of non-stationary background noise. LÄS MER

5. 9. Redigering och skuld : Ett kognitivt perspektiv på redigeringensfunktioner i ansvarsutkrävande tv-reportage

   Författare :Piotr Urniaz; Stefan Sjöström; Göran Ericsson; Umeå universitet; []
   Nyckelord :HUMANIORA; HUMANITIES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; TV journalism; attribution of guilt; mental models; Jürgen Habermas; Formal Pragmatics; visual communication; communicative ethics; media literacy; cognition; the viewer; investigative journalism; media accountability; political scandals; critical realism; documentary film; Tv-journalistik; granskande journalistik; redigering; dokumentärfilm; reception; kommunikativ etik; Jürgen Habermas; audiovisuell kommunikation; argumentation; skuld; skuldattribuering; ansvarsutkrävande; medieskandaler; formalpragmatik; manipulation; komposition; medie- och kommunikationsvetenskap; media and communication studies;

   Sammanfattning : Abstract: During the past decade, media researchers have intensified the study of media scandals and the role of journalism as an institution that holds social actors responsible for malfeasance and wrongdoings. On a micro level of analysis, the main attention has beendirected towards the journalistic interview and its use to promote the impression of guilt and journalistic neutrality. LÄS MER

7. 10. Den kosmetiska demokratin : En studie av den politiska diskursiva praktiken i Sjöbo och Ystad

   Författare :Marja Åkerström; Medie- och kommunikationsvetenskap; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; public information; Democracy; discursive practice; cosmetic action; Modernity; power strategies; political communication; cosmetic democracy;

   Sammanfattning : The object of this thesis is to describe, analyze and understand the terms and meanings of the public information and the political communication for local democracy, in today´s media landscape, out of the interaction between the main parties of the local society in Sjöbo and Ystad and from the stand point of earlier research and theories. The study has analyzed the actions performed by citizens, politicians, employees and journalists as well as the scenes for this information and communication. LÄS MER