Receiver buffer control for variable bit-rate real-time video

Lau, R.C.; Fleischer, P.E.; Lei, Shawmin

doi:10.1109/icc.1992.268222

Cited by 4 publications

(1 citation statement)

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“…A rule of thumb in human factor study says that 100 msec is the noticeable threshold, which translates to 3 frames Normalized Bit Rate ( qume ] ness metrics we used in the performance study were described in [6]. There were also several works [4][10] that focused mainly on using buffering to smooth out the video traffic. To the best of our knowledge, this work is the first to propose new encoding schemes to reduce the burstiness of video traffic.…”

Section: Introductionmentioning

confidence: 99%

Burst handling of digital video traffic

Chiueh

Wang

Proceedings of the Third IEEE International Conference on Multimedia Computing and Systems

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Digital video traffic is inherently bursty for two reasons: inherent motion of objects and cameras, and the artifacts of compression algorithms. Because digital video playback requires bandwidth guarantees from the underlying 1/0 and network systems, the bursty nature of video traffic forces the bandwidth reservations to be made a t the level of peak data rates rather than average data rates. This work addresses the burstiness problem in digital video traffic by proposing changes to the MPEG compression/decompression algorithm.The resulting algorithm, block-by-block (BBB) difference coding, successfully minimizes the difference between peak and average bit rates by a factor of 2 to 3 in average, without compromising the compression e f iciency, coding speed and video quality.

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Section: Introductionmentioning

confidence: 99%