Sökning: "sound recordings"

Visar resultat 11 - 15 av 70 avhandlingar innehållade orden sound recordings.

1. 11. Auralisation of airplanes considering sound propagation in a turbulent atmosphere

   Författare :Frederik Rietdijk; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Auralisation; Aircraft noise; Outdoor sound propagation; Atmospheric turbulence;

   Sammanfattning : Aircraft noise is a major issue in urban areas. Due to a rising level ofurbanisation and the continuing growth of air traffic more people are exposed toaircraft noise than ever. Methods currently used for assessing theimpact of aircraft noise on humans consider mostly energetic quantities, and not thedynamic character of the sound. LÄS MER

3. 12. On Reverberation Enhancement in Auditoria

   Författare :Peter Svensson; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; active sound field control; room acoustics; reverberation enhancement; listening tests; subjective effects; sound-reinforcement; feedback systems; feedback control; computer modelling of acoustics in enclosures; modulation; electro acoustics; time-varying filters;

   Sammanfattning : The analysis of electroacoustic systems for reverberation enhancement in auditoria is the topic of this thesis. Such systems have been developed since the 50's and been commercially available since then as well. During the 80's several new system ideas have been presented but there are still some open questions that are addressed here. LÄS MER

4. 13. Digital holographic reconstructions of ultrasound from laser vibrometry recordings

   Författare :Erik Olsson; Luleå tekniska universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Experimental Mechanics; Experimentell mekanik;

   Sammanfattning : If sound and noise from an engine, say a lawn mower, is to be reduced, it is of advantage to know from which part of the machine the noise is coming. An interesting medical application for localization of sound sources is optoacoustic imaging of tissue. LÄS MER

5. 14. Imagination, form, movement and sound. Studies in musical improvisation

   Författare :Svein Erik Tandberg; Göteborgs universitet; []
   Nyckelord :HUMANIORA; HUMANITIES; Aesthetic; artistic research; chronology versus phenomenology; cognitive models; cross-modality; imitation; improvisation; motor programmes; organ; organ textbooks; procedural knowledge; Protestant practices; Roman Catholic practices; schemas; style; Johann Sebastian Bach; Anton Bruckner; Marcel Dupre; Rolande Falcinelli; Cesar Franck; Johann Georg Herzog; Hermann Keller; Olivier Latry; Conrad Paumann; Max Reger; Heinz Wunderlich; Ruth Zechlin;

   Sammanfattning : How does one improvise? How can one learn the art of improvisation? By consid - ering these two questions this thesis aspires to make a contribution towards a greater understanding of what the production of improvised music actually involves. The organ has long traditions as an instrument on which music is improvised, and this study aims to focus primarily on organ improvisation. LÄS MER

7. 15. Acoustic and afterload evaluation of left ventricular assist devices

   Författare :Per Sundbom; Henrik Casimir Ahn; Laila Hübbert; Fredrik Gustafsson; Daniel M. G. Karlsson; Michael Broomé; Linköpings universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Afterload; Electronic stethoscope; Flow; HeartMate II; HeartMate 3; iOS-devices; Sound Analysis;

   Sammanfattning : Background: Heart Failure is a serious condition with consequences not only for the individual patient but also for the society with a 5-year mortality rate of 45-60%, and a substantial economic burden. The estimated prevalence in Sweden is 2.2% and the age adjusted prevalence increases with higher age. LÄS MER