DESCRIPTION:
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An in-depth tutorial on phase. Is it timing difference or polarity? What about comb filtering? What is a linear phase EQ? Learn more here: http://theproaudiofiles.com/phase/

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Tutorial Breakdown:


Signal Phase
- What's the deal?
- Why does it matter?
- What tools are available?

- In-phase vs. Out-of-phase?
- "Kind of" In-phase?
- "Sort of" Out-of-phase?


Phase is complicated
— Not just In-phase or Out-of-phase
Signal processors can effect phase
— Phase distortion
Good news: humans cannot perceive signal phase differences in some cases
Bad news: other cases...


Signal phase is complicated
— Phase is frequency dependent
Are signal processors going to screw up my mix?
— Linear phase processors


Linear phase
— What's with the name?
Non-linear phase
— Are there any drawbacks or trade-offs?


Is a signal phase shift the equivalent of a time shift, just without the shift in time?
— That doesn't seem so bad
It is more complicated than that
— Phase is frequency dependent


Linear phase
— What's with the name?
— Non-linear phase
Are there any drawbacks or trade-offs?


Linear Phase
— Processing results in a constant time shift for all frequencies
— Relationship between frequencies is not distorted
Trade-off
— Time delay (Latency)


When are linear phase processors useful?
— When you don't want the phase relationship between different frequencies to be distorted
— When a little latency doesn't hurt anything
— Master Bus
— Compensate for latency