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Listener envelopment: effects of changing the sidewall material in a model of an existing concert hall
2008 (English)Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

This master thesis examines how the perception of listener envelopment is changed when altering the sidewall material in a computer model of a real concert hall. The research question is based on the lack of information on how the frequency content of the late arriving sound energy affects listener envelopment, but also on the conclusion that envelopment is an affect to large degree of late lateral reflective sounds. A computerized model is used for the purpose to take the research of listener envelopment into a more real acoustical situation than before. Alterations of the late lateral reflections are done by using four side wall materials attaining different sets of absorptions coefficients. A listening test is used for evaluating the change of listener envelopment and 21 listeners conducted the test. Results from earlier research were used to explain the attained results from the ANOVA tests. Sidewall materials which absorbs high frequencies and those that are nonabsorbent creates larger sensations of listener envelopment than materials in which absorbs low, low-mid and mid frequencies in this particular hall.

Place, publisher, year, edition, pages
2008.
Keyword [en]
Technology, LEV, Listener envelopment, Listening test, Auralization, HRTF, Concert hall, Acoustics, sidewall material, ASW, Apparent source width, Auditory source
Keyword [sv]
Teknik
Identifiers
URN: urn:nbn:se:ltu:diva-53858ISRN: LTU-DUPP--08/095--SELocal ID: adac2e33-b164-46c1-9621-a5ec504a74c8OAI: oai:DiVA.org:ltu-53858DiVA: diva2:1027235
Subject / course
Student thesis, at least 15 credits
Educational program
Audio Technology, master's level
Examiners
Note
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
  • html
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