Hot is normally a term applied to analogue recording and mixing levels and refers to a signal being over the unity threshold (+4dBu) or, in more layman's terms, a little too high in volume! In an analogue system, this would result in compression artefacts and a slight reduction in the high frequencies. This is often perceived as "warmth".
We don't usually refer to digital signals as hot, as of course a digital signal cannot exceed 0dB.
Gregorio
Last edited by gregorio; 02-16-2008 at 01:26 PM.
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