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--- faq:start [2017/08/26 17:09] – [Q: How to remove noise ? How to restore old recordings (from vinyl/tape) ?] jeb_ponderworthy.com
+++ faq:start [2017/08/26 17:21] (current) – [Q: How to remove noise from recordings? How to restore old recordings (from vinyl/tape)?] jeb_ponderworthy.com
@@ Line 25: / Line 25: @@
-==== Q: How to remove noise from recordings ? How to restore old recordings (from vinyl/tape) ? ====
+==== Q: How to remove noise from recordings? How to restore old recordings (from vinyl/tape)? ====
 Some noises can be removed by surpressing specific frequencies, by applying EQs or Filters.
 Audiofile editors as audacity and rezound offer different solutions for noise removal.
@@ Line 43: / Line 43: @@
   * [[http://www.muenchen-surf.de/mpaar/| "Declick 2000" plugin - not open source, but priceless]]
+==== Q: How to eliminate noise from live production? ====
+Live noise has many causes, including ground-loops, and other equipment near and far injecting static of many kinds.  This includes including weak but audio-active USB signals, PC fan noise, firewire, et cetera, into powerline, ground, and thence into the system.  There are many approaches to this, and often more than one approach is needed.
+**Related articles**
+  * [[http://www.audioholics.com/home-theater-connection/ground-loops-eliminating-system-hum-and-buzz|Ground Loops - Eliminating System Hum and Buzz]]
+  * [[http://lsn.ponderworthy.com/doku.php/cleaning_the_tone|Cleaning the Tone]]
 ==== Q: What about timers and timing ? ====