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Joined: Feb 2000
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Joined: Feb 2000
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Does anyone here have an opinion on the do and do nots regarding boosting HF content prior to AD conversion into DAW's ? EG I recently borrowed one of Winton Morrow's Avalon front ends, and being a bit of a "type A person", when I saw that I could boost 32k, I did (recording medium was 2" 24 track analog). I was very happy with the play back (I used about 2 dB on male backing vocals using a CAD VX2). I am just entering the Pro Tools Mix|Plus scenario, using the Apogee converters, and I was wondering what happens to that boost I put in, bearing in mind that something has to happen to input content above half the sample rate.

Am I going to create aliasing hell with this technique in digi land ?

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I had the 40k selected and boosted 16db on my NTI mic pre, I couldn't really hear it.
However a bat crashed thorough the studio window, made a hell of a mess!
So, no.
Jules


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Producer Julian Standen
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gm Offline
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I crank up 25K (so-called "air band") all the time.

Well, if the A/D's designed right, there's a brick wall filter that stops everything just before Nyquist.

No, I don't think we get into trouble with aliasing; I'm not hearing anything resembling artifacts due to blazing HF, and most filtering deployed in modern converters is sufficiently sharp to stop problems. Maybe overly sharp for most timbral profiles.

George


George Massenburg

http://www.massenburg.com

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