Originally Posted By: Mac
Originally Posted By: Guitarhacker


The problem comes in when you record an audio track such as a guitar amp with a certain amount of hum. That hum is boosted, as you said, relative to the track,...


The Audio Engineer wouldn't classify that as noise in the sense of Signal to Noise Ratio.

Anything actually recorded by the mic would not fall into the Noise category, it is Signal at that point.

The kind of Noise we reference when speaking of Signal to Noise Ratio is the Thermal Noise of circuitry in preamps, processing and A to D circuitry.

Such should indeed be minimal in the well designed equipments.

Noise such as the hum from a guitar amp should really be tackled at the source....


--Mac


you are correct on the S/N ratio. In digital music that noise floor is so far below the music that it's basically non-existant. And with modern circuitry, the internal noise is extremely low as well.... certainly nothing like it was in the days of vacuum tube circuitry.

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