An Evaluation of Bitrate Adaptation Methods for HTTP Live Streaming
HTTP streaming has become a cost-effective means for multimedia delivery nowadays. For adaptivity to networks and terminals, a provider should generate multiple representations of an original video as well as the related metadata. Recently, there have been various adaptation methods to support adapt...
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| Veröffentlicht in: | IEEE journal on selected areas in communications 2014-04, Vol.32 (4), p.693-705 |
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| container_title | IEEE journal on selected areas in communications |
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| creator | Truong Cong Thang Le, Hung T. Pham, Anh T. Yong Man Ro |
| description | HTTP streaming has become a cost-effective means for multimedia delivery nowadays. For adaptivity to networks and terminals, a provider should generate multiple representations of an original video as well as the related metadata. Recently, there have been various adaptation methods to support adaptive HTTP streaming. In this paper, we investigate typical adaptation methods in the context of live video streaming. We first discuss the trade-off among typical adaptation methods. The evaluation and comparison are then carried out not only in terms of bitrate and buffer behaviors but also in terms of the perceptual impact on end users. It is found that the perceptual impact depends not only on adaptation method but also on the content itself. We also show that the preparation of representation sets may affect the behaviors of some adaptation methods. |
| doi_str_mv | 10.1109/JSAC.2014.140403 |
| format | Article |
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We also show that the preparation of representation sets may affect the behaviors of some adaptation methods.</description><subject>Adaptation</subject><subject>adaptivity</subject><subject>Bandwidth</subject><subject>Bit rate</subject><subject>Buffers</subject><subject>Context</subject><subject>DASH</subject><subject>End users</subject><subject>HTTP streaming</subject><subject>Media</subject><subject>Metadata</subject><subject>Methods</subject><subject>Multimedia</subject><subject>Representations</subject><subject>Streaming media</subject><subject>Switches</subject><subject>Terminals</subject><subject>Throughput</subject><subject>Tradeoffs</subject><issn>0733-8716</issn><issn>1558-0008</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkMFLwzAUxoMoOKd3wUvBi5fO95o0SY91TKdMFDbPIWsTrXTNTNqB_70tFQ-eHnz8vo_Hj5BLhBkiZLdP63w-SwDZDBkwoEdkgmkqYwCQx2QCgtJYCuSn5CyET-hBJpMJmedNtDjoutNt5ZrI2eiuar1uTZSXet-O6bNpP1wZIut8tNxsXqNVdTDRuvVG76rm_ZycWF0Hc_F7p-TtfrGZL-PVy8PjPF_FBc2gjUXKYGtMkthSc8pAFFQyrjnTGjgW1lqaUMwKbhkTmDEqZcZxK0zJDGoAOiU34-7eu6_OhFbtqlCYutaNcV1QyAWmyDnyHr3-h366zjf9dwpTyFAChYGCkSq8C8Ebq_a-2mn_rRDUYFUNVtVgVY1W-8rVWKmMMX84F4KlGdAf47hwGQ</recordid><startdate>20140401</startdate><enddate>20140401</enddate><creator>Truong Cong Thang</creator><creator>Le, Hung T.</creator><creator>Pham, Anh T.</creator><creator>Yong Man Ro</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| subjects | Adaptation adaptivity Bandwidth Bit rate Buffers Context DASH End users HTTP streaming Media Metadata Methods Multimedia Representations Streaming media Switches Terminals Throughput Tradeoffs |
| title | An Evaluation of Bitrate Adaptation Methods for HTTP Live Streaming |
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