Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • 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
Perceptual quality of HTTP adaptive streaming strategies: Cross-experimental analysis of multi-laboratory and crowdsourced subjective studies
Show others and affiliations
2016 (English)In: IEEE Journal on Selected Areas in Communications, ISSN 0733-8716, E-ISSN 1558-0008, Vol. 34, no 8, p. 2141-2153, article id 7485884Article in journal (Refereed) Published
Abstract [en]

Today's packet-switched networks are subject to bandwidth fluctuations that cause degradation of the user experience of multimedia services. In order to cope with this problem, HTTP adaptive streaming (HAS) has been proposed in recent years as a video delivery solution for the future Internet and being adopted by an increasing number of streaming services, such as Netflix and Youtube. HAS enables service providers to improve users' quality of experience (QoE) and network resource utilization by adapting the quality of the video stream to the current network conditions. However, the resulting time-varying video quality caused by adaptation introduces a new type of impairment and thus novel QoE research challenges. Despite various recent attempts to investigate these challenges, many fundamental questions regarding HAS perceptual performance are still open. In this paper, the QoE impact of different technical adaptation parameters, including chunk length, switching amplitude, switching frequency, and temporal recency, are investigated. In addition, the influence of content on perceptual quality of these parameters is analyzed. To this end, a large number of adaptation scenarios have been subjectively evaluated in four laboratory experiments and one crowdsourcing study. A statistical analysis of the combined data set reveals results that partly contradict widely held assumptions and provide novel insights in perceptual quality of adapted video sequences, e.g., interaction effects between quality switching direction (up/down) and switching strategy (smooth/abrupt). The large variety of experimental configurations across different studies ensures the consistency and external validity of the presented results that can be utilized for enhancing the perceptual performance of adaptive streaming services.

Place, publisher, year, edition, pages
2016. Vol. 34, no 8, p. 2141-2153, article id 7485884
Keywords [en]
cross-experimental study, crowdsourcing, HTTP adaptive streaming, laboratory study, perceptual quality, QoE, subjective study, HTTP, Multimedia services, Packet networks, Quality of service, Switching, Switching circuits, Video streaming, Adaptive streaming, Laboratory studies, Quality control
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:ri:diva-32578DOI: 10.1109/JSAC.2016.2577361Scopus ID: 2-s2.0-84983389202OAI: oai:DiVA.org:ri-32578DiVA, id: diva2:1155594
Available from: 2017-11-08 Created: 2017-11-08 Last updated: 2018-10-03Bibliographically approved

Open Access in DiVA

fulltext(1214 kB)1 downloads
File information
File name FULLTEXT01.pdfFile size 1214 kBChecksum SHA-512
d02d3d5e584323510022d7a61085aaa627fcfd139aa2986f6c496c7320a236a2ec83154e8ee189cb758f6fcad500d57bd91886d46383c414c8a25e072a73b5d6
Type fulltextMimetype application/pdf

Other links

Publisher's full textScopus

Authority records BETA

Brunnström, Kjell

Search in DiVA

By author/editor
Brunnström, Kjell
By organisation
Acreo
In the same journal
IEEE Journal on Selected Areas in Communications
Computer and Information Sciences

Search outside of DiVA

GoogleGoogle Scholar
Total: 1 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

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 17 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • 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
v. 2.35.4