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Mixing it.(to preparing an audio mix, check for unwanted noise)(Brief article)
Byline: Karl Foster
Mixing it
When preparing an audio mix, check for unwanted noise. While balanced connectors may have been used for the microphone, it's still possible to find hiss and hum in the background, with 50Hz (or 60Hz in some countries) mains hum being a common problem. A capable audio editor will have a noise removal filter, by which a section of what's meant to be silence can be sampled to get a 'noise print'. The values thus obtained are then effectively subtracted from the whole track, removing noise and leaving the programme material intact. Once that's sorted, you should move on to stereo positioning, if you're outputting to stereo. Run the vocals straight down the middle (pan centre), unless two or more people are speaking, in which case you could emulate their on-screen positions via the panning controls.
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