Answered: Consider delivering voice through a…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Consider delivering voice through a direct connection network from Host A to Host B. (for example, Internet phone). Host A dynamically transforms analogue speech to a digital 64Kbps bit stream. The bits are subsequently organised into 128-byte packets by Host A. Between Host A and Host B, there is a single connection with a capacity of 10Mbps and a propagation latency of 50 msec. When Host A collects a packet, it immediately delivers it to Host B. When Host B gets a complete packet, it transforms its bits to an analogue signal.

How long does it take for a bit to be produced (from the original analogue signal at Host A) and decoded (as a component of the analogue signal at Host B)? Disregard the time required for decoding.

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