Change search
CiteExportLink to record
Permanent link

Direct link
Cite
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
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Perceived quality of service of streamed audio
2010 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

In this thesis the Perceived Quality of Service of streamed audio is investigated. A nonintrusive mathematical model that objectively computes the perceived quality based on time and burst size factors is developed and tested. A mobile application for receiving MP3 audio streams packaged in Application Data Units and sent over RTP/UDP via the UMTS network is developed. A statistical survey to verify the model on a 30 second music sample with different packet loss patterns is done and the conclusion is that the quality is perceived by the user as really bad when packet loss bursts occurs in many short bursts rather then a few longer. Packet loss that occurs in the middle of the 30 second sample is considered worst as opposed to the end or beginning. The correlation coefficient of the model to the PQoS of the samples used during the tests is 0.98.

Place, publisher, year, edition, pages
2010.
Keyword [en]
Technology, PQoS, QoS, MP3, RTP, RTSP, MOS, Statistics, ADU
Keyword [sv]
Teknik
Identifiers
URN: urn:nbn:se:ltu:diva-57094ISRN: LTU-EX--10/156--SELocal ID: dcba0377-a5a0-449d-82f8-370fc1dfb881OAI: oai:DiVA.org:ltu-57094DiVA: diva2:1030481
Subject / course
Student thesis, at least 30 credits
Educational program
Computer Science and Engineering, master's level
Examiners
Note
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

Open Access in DiVA

fulltext(512 kB)26 downloads
File information
File name FULLTEXT01.pdfFile size 512 kBChecksum SHA-512
746faa38732b273b1e104ec435310b5bfd7ce3af595565147d2b30adb584d05daac4d74f5c6e9189ef750c14bea1b738a6e184442a55f114b9128698c9a0e5ee
Type fulltextMimetype application/pdf

Search outside of DiVA

GoogleGoogle Scholar
Total: 26 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

urn-nbn

Altmetric score

urn-nbn
Total: 26 hits
CiteExportLink to record
Permanent link

Direct link
Cite
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
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf