This document describes a method to improve the bandwidth utilization of network paths that carry multiple streams in parallel sharing a common path. The method combines standard protocols that provide compression, multiplexing, and tunneling over a network path for the purpose of reducing the bandwidth used when multiple streams are carried over that path.

This document contains recommendations of maximum tolerable delays to be added by methods which improve bandwidth utilization through compression, multiplexing, and tunneling over a network path. Recommendations are presented only for real-time network services for which such bandwidth optimization techniques are applicable (i.e., services with low payload size to header size ratio).

Nowadays, packet video is an important application of the Internet. Unfortunately the capacity of the Internet is still very heterogeneous because it connects high bandwidth ATM networks as well as low bandwidth ISDN dial in lines. The MPEG-2 and MPEG-4 video compression standards provide efficient video encoding for high and low bandwidth media streams. In particular they include two paradigms...

Nowadays, packet video is an important application of the Internet. Unfortunately the capacity of the Internet is still very heterogeneous because it connects high bandwidth ATM networks as well as low bandwidth ISDN dial in lines. The MPEG-2 and MPEG-4 video compression standards provide efficient video encoding for high and low bandwidth media streams. In particular they include two paradigms...

This document describes a method to improve the bandwidth utilization of network paths that carry multiple streams in parallel between two endpoints, as in voice trunking. The method combines standard protocols that provide compression, multiplexing, and tunneling over a network path for the purpose of reducing the bandwidth used when multiple streams are carried over that path.

We discuss the use of interleaving as a bandwidth efficient means of protecting audio streams from the effects of packet loss in the Internet. The adverse effects of interleaving on IP/UDP/RTP header compression are noted and a number of schemes which remedy this problem are discussed. Keywords— RTP, Interleaving, Voice-over-IP, header compression.

Data compression techniques can alleviate bandwidth problems in even multigigabit networks and are especially useful when combined with encryption. This paper demonstrates a reconfigurable hardware compressor/ decompressor core, the Titan-R, which can compress/decompress data streams at 8.5 Gb/sec making it the fastest reconfigurable such device ever proposed; the presented full-duplex implemen...

The use of ultrasonic signals at sub-MHz frequencies for Non Destructive Evaluation of thick polymer samples is described. It will be shown that the combination of low-frequency coded signals such as chirps, together with appropriate signal processing methods such as pulse compression, can provide a powerful tool for ultrasonic NDE. To achieve this goal, it is essential that the measurement sys...

Campbelll1] derived and deened a quantity called the coeecient rate of a random process that involves the process spectral entropy. Two new derivations of Campbell's coeecient rate are given here. One derivation solidiies the interpretation of this quantity as a coeecient rate, while the second derivation implies a new approach for source compression. We investigate this new approach for transf...