14 May 2018 Impact of segment size on dynamic adaptive video streaming over HTTP (DASH) over LAN network
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Abstract
Although dynamic adaptive video streaming over http (DASH) has developed as a most subtle technology that can be used for the transmission of live and on-demand audio and video content over any IP network, the design of video segment size is an important aspect, as it varies from one technology to another. We proposed a method to investigate the effect of changing the buffer size, as it was configured to be dynamically adapted to the segment size. Our proposed method also retrieves the most appropriate video representation based on the available bandwidth compared to the size of the video representations. We expose an empirical study for different segment sizes (i.e. 1,2,5,10,15 and 20 seconds) striving for the best available quality. An objective evaluation was carried out in relation to study the impact of the segment size while streaming video. From the tests carried out, the larger segment size, the better PSNR value; however, it produces higher Initial delay. In our obtained results, segment size of 20 seconds has the highest PSNR value at 45.7dB; whereas segment size of 1 second has the lowest initial delay at 1.2 seconds.
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Ibrahim Rizqallah Alzahrani, Ibrahim Rizqallah Alzahrani, Naeem Ramzan, Naeem Ramzan, Abbes Amira, Abbes Amira, "Impact of segment size on dynamic adaptive video streaming over HTTP (DASH) over LAN network", Proc. SPIE 10670, Real-Time Image and Video Processing 2018, 106700H (14 May 2018); doi: 10.1117/12.2304789; https://doi.org/10.1117/12.2304789
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