Help save the planet: please do adjust your picture

O. Ejembi, S.N. Bhatti

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

Abstract

Allowing digital video users to make choices of picture size and codec would significantly reduce energy usage, electricity costs and the carbon footprint of Internet users. Our empirical investigation shows a difference of up to a factor of 3 in energy usage for video decoding using different codecs at the same picture size and bitrate, on a desktop client system. With video traffic already responsible for the largest and fastest growing proportion of traffic on the Internet, a significant amount of energy, money and carbon output is due to video. We present a simple methodology and metrics that can be used to give an intuitive, quantitative and comparable assessment of the energy usage of video decoding. Providing energy usage information to users would empower them to make sensible choices. We demonstrate how small energy savings for individual client systems could give significant energy savings when considered at a global scale.
Original languageEnglish
Title of host publicationProceedings of the 22nd ACM International Conference on Multimedia (MM '14)
Place of PublicationNew York, NY
PublisherACM
Pages427-436
Number of pages10
ISBN (Print)9781450330633
DOIs
Publication statusPublished - 3 Nov 2014
Event22nd ACM International Conference on Multimedia (MM '14) - Orlando, United States
Duration: 3 Nov 20147 Nov 2014
Conference number: 22

Conference

Conference22nd ACM International Conference on Multimedia (MM '14)
Abbreviated titleMM '14
Country/TerritoryUnited States
CityOrlando
Period3/11/147/11/14

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