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Junior Varsity
Notching Out Modes
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<blockquote data-quote="Max Warasila" data-source="post: 137855" data-attributes="member: 3845"><p>Re: Notching Out Modes</p><p></p><p></p><p></p><p>Ideally, that's what I'd do, but for when I'm stuck with boxes and angles that aren't optimal, it's nice to have some techniques.</p><p></p><p>Right now, usually all I can do is use my ears and some quick mental math, as I'm still fighting with my measurement tools. I'll go through and calculate what waves are likely to be modes, then do a quick sweep or two (whether with pink noise, a narrow parametric and my ears or through an FFT) and see what actually stands out enough to be worth getting rid of. If I'm doing it the poor man's way with my ears I'll bring it down to where I can't hear it and then usually bring it back 3-6dB to make sure I didn't go too crazy with it. If I'm using the tools... well I'll be honest I'm still sifting through the best tool to look at to find them, but I'll usually just look for deviations over 6dB at the calculated points and correct as such.</p><p></p><p>I've only messed with this a few times so far.</p></blockquote><p></p>
[QUOTE="Max Warasila, post: 137855, member: 3845"] Re: Notching Out Modes Ideally, that's what I'd do, but for when I'm stuck with boxes and angles that aren't optimal, it's nice to have some techniques. Right now, usually all I can do is use my ears and some quick mental math, as I'm still fighting with my measurement tools. I'll go through and calculate what waves are likely to be modes, then do a quick sweep or two (whether with pink noise, a narrow parametric and my ears or through an FFT) and see what actually stands out enough to be worth getting rid of. If I'm doing it the poor man's way with my ears I'll bring it down to where I can't hear it and then usually bring it back 3-6dB to make sure I didn't go too crazy with it. If I'm using the tools... well I'll be honest I'm still sifting through the best tool to look at to find them, but I'll usually just look for deviations over 6dB at the calculated points and correct as such. I've only messed with this a few times so far. [/QUOTE]
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