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Mixing Audio, 3rd Edition
book

Mixing Audio, 3rd Edition

by Roey Izhaki
October 2017
Beginner to intermediate
570 pages
18h 47m
English
Routledge
Content preview from Mixing Audio, 3rd Edition

12Phase

What is phase?

Phase, in sound theory at least, describes the time relationship between two or more sine waves of the same frequency. Phase is measured in degrees. A sine wave starts when its cycle starts—denoted by 0°. One complete cycle signifies 360° (which is also 0°), half a cycle 180°, a quarter of a cycle 90°, and so forth. If one sine wave reaches a quarter of its cycle when a cycle begins on another sine wave of the same frequency, the two are said to be 90° out of phase (Figure 12.1).

Figure 12.1 Two identical sine waves 90° out of phase with each other.

Figure 12.1 Two identical sine waves 90° out of phase with each other.

The degree of phase shift is dependent on the time gap between the two ...

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Publisher Resources

ISBN: 9781317508502