Paul T. Brady. E ects of transmission delay on conversational behavior on echo-free telephone circuits. Bell System Technical Journal, 50(1):115-134, January 1971. Home/Search Document Not in Database Summary Related Articles Check |
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Modeling of Packet Loss and Delay and Their Effect on.. - Jiang, Schulzrinne (2000) (24 citations) (Correct)
....Figure 1 illustrates how media encoding decoding, FEC coding recovery and playout delay adjustment work together in a typical VoIP application. Undoubtedly, two way metrics such as Round Trip Time (RTT) are important. In VoIP, a large RTT ( 600ms) will degrade the application s interactivity [5]. But as far as the receiver is concerned, the perceptual quality of what he she received only underwent a oneway trip in the network. So we focus our analysis on oneway loss and delay. The distinction between one way and two way metrics blurs when the path characteristic between two ends are ....
Paul T. Brady. E ects of transmission delay on conversational behavior on echo-free telephone circuits. Bell System Technical Journal, 50(1):115-134, January 1971.
Adaptive Delivery of Real-Time Streaming Video - Feamster (2001) (3 citations) (Correct)
....observed along many Internet paths. Additionally, streaming video must reconcile the con icting constraints of delay and error resilience. In order to maintain a high level of user interactivity, delay must remain relatively small 15 (200 ms is the estimated perceptual tolerance of the user [10]) However, short delay means that lost packets often cannot be retransmitted, thus resulting in a displayed picture of signi cantly lower quality than in the loss free case. 1.2.2 The Solution Our approach to solving this problem while preserving the bene ts of aggressive compression is to use ....
P. Brady. E ects of transmission delay on conversational behavior on echo-free telephone circuits. Technical report, Bell Laboratories, January 1971.
QoS Measurement of Internet Real-Time Multimedia Services - Jiang, Schulzrinne (1999) (14 citations) (Correct)
....delay. The one way delay tolerance for video conferencing is in a similar range, 200 to 300ms [14] Two way metrics are also important, especially for interactive applications such as IP telephony. It is well known that a large RTT ( 600ms) will degrade the interactivity of an application [9]. However, if we obtain a good estimate of one way delay in both directions, a simple addition easily yields results for two way delay. The two way loss probability, on the hand, is not a simple addition of one way loss probabilities in both directions. If the one way loss probabilities are p 1 ; ....
Paul T. Brady. E ects of transmission delay on conversational behavior on echo-free telephone circuits. Bell System Technical Journal, 50(1):115-134, January 1971.
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