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General Asylum General audio topics that don't fit into specific categories. |
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General Asylum General audio topics that don't fit into specific categories. |
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In Reply to: New to "absolute polarity"... posted by Chris_F on August 19, 2005 at 10:09:07:
Hi Chris,You are correct. Soundwaves are comprised of compressions and rarefactions in the air. Maintaining absolute polarity means ensuring that when an instrument creates a compression at the recording microphone, it is reproduced as a compression at the ear, rather than a rarefaction.
Electrical polarity can be (and usually is) inverted many times along the way between the recording microphone and your ear. This is not particularly important, since it is a trivial matter to switch it back, as you indicate in your example.
The problem is that all media (LPs, CDs, everything) come both ways. That means we have to be able to switch the polarity of our systems to suit each recording. "Maintaining" polarity throughout our systems is thus a meaningless pursuit.
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Follow Ups
- Re: New to "absolute polarity"... - markrohr 08/19/0511:31:23 08/19/05 (3)
- Sounds like a good feature for a preamp - Chris_F 18:23:36 08/19/05 (2)
- Audio Research has one... - tunenut 16:47:27 08/20/05 (0)
- Quite right, but we're probably a bunch of goofballs, anyway. ;-) nt - markrohr 08:30:43 08/20/05 (0)
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