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Gear / Technical Help => Post-Processing, Computer / Streaming / Internet Devices & Related Activity => Topic started by: jlykos on March 02, 2009, 04:16:54 PM

Title: Normalize / bass rolloff - which comes first?
Post by: jlykos on March 02, 2009, 04:16:54 PM

I'm trying to edit some audio files and the bass in them is pretty intense.  Should I normalize them and then do a bass rolloff, or should I take out some of the bass and then normalize?  Is there a proper way to handle this?

Also, how should I curve the bass rolloff in Sony Sound Forge 9.0.  I was playing around with it last night and think that I found out how to manipulate the file, but I was wondering if any of you have any favorite curves or protocols to use for this.

I recorded everything, btw, with Sonic Studios DSM-6/L > Sony PCM-D50, about 40 feet from the stage in a covered large tent outdoors.

Title: Re: Normalize / bass rolloff - which comes first?
Post by: Brian Skalinder on March 02, 2009, 04:28:30 PM

Reducing the bass may reduce peaks and/or overall volume, so roll off (apply a high pass filter, or HPF) first, then normalize.

The ReadMe 1st thread stickied at the top of the forum has two links to short discussions on rolloff / HPF.  You could apply a simple HPF, applying a specific starting frequency and slope, or you could use a parametric EQ to create a more complex HPF of sorts.