November 2012
Intermediate to advanced
1034 pages
53h 38m
English
Content preview from Broadcast Engineer's Reference Book
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E. P. J. TozerZetrox Broadcast Communications
2.1 Linear Digital Audio
To understand the advantages of processing audio digitally, it is necessary to look at the fundamental differences between analogue and digital signals (Figure 2.1.1).
An analogue signal can, within the limits of peak level and signal bandwidth, exist at any level and at any time. This means that if, during processing, there is any level variation, caused by
Figure 2.1.1 Signal distortion: (a) analogue; (b) digital.
distortion or the addition of noise, or any time variation, caused by wow and flutter, the new signal is a valid one.
A digital signal differs from an analogue ...
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