November 2012
Intermediate to advanced
264 pages
6h 40m
English
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Chapter | eighteen
Polarity and Phase Reading
CHAPTER OUTLINE
Goniometer – Audio Vector Oscilloscope
In the production, recording, and transmission of stereo signals, it is not just the levels of the signals in relation to each other that need to be monitored, but also the polarity or phase relationship between them. This chapter describes some important instruments that are used for this purpose.
POLARITY
Polarity is a question of the audio signals being “in phase” or “out of phase,” meaning the positive parts of the waveform become negative and the negative becomes positive. If only looking at – or listening to – one channel (mono) audio being 180° out of phase, it is not ...