What is speech compression and how is it used by InfoGate?
The aim of speech compression is to produce a compact representation of speech sounds such that when reconstructed it is perceived to be close to the original. The two main measures of closeness are intelligibility and naturalness. The speech is compacted or compressed so that less data or IP packets are send across the network to another location. The voice communication process across the network is quicker and more efficient if less IP packets are required. All InfoGate speech compression is performed using the Digital Signal Processors on the InfoGate Gateway interface card. This way the Gateway’s CPU only has to do the simple work of I/O processes such as sending information to the video display or processing network IP packet information.
