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Advantage of tape over MD?
Lord Hasenpfeffer wrote: Thank God! I think you've finally and quite clearly defined the problems we're having in this discussion! wrote: I don't know if you guys are having a semantic argument here, but from my perspective, the very act of suppressing a peak IS clipping. OK, this makes perfect sense. Except that it is not the use of the word that is standard across the recording industry. Clipping is what happens when you boost the level without regard to what happens to the peaks. They get "clipped" off flat at 0 dB full scale. Normalization is boosting the level by the amount that will bring the the highest peak in the region or the file to 0 dB full scale. Limiting is compression operation which changes the dynamics. The level is not changed but instead the peaks are held below a limit by a process of applying negative gain by an amount that's a function of the momentary signal level so as to keep the peaks below a given limit without clipping them off. If it is too aggressive it will introduce audible harmonic and intermodulation distortion. Following that you can increase the level by the amount of the limit to normalize. There should be a standard term for increasing the gain while applying a 0 dB full scale limit but there isn't that I've ever seen. This "wrap-around" phenomenon is what I have so far been referring to as "clipping". I've seen "wrapping" used. You don't see that much any more. I'm surprised Audacity retains it. It can speed the performance of increasing the level though by eliminating the need for an overflow check in the multiplication loop but few DAW's still have that option. Bob -- "Things should be described as simply as possible, but no simpler." A. Einstein |
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