a plugin to remove everything below 25htz?
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- KVRian
- 943 posts since 15 Mar, 2005
i find waves ren is a wierd one with high q cuts, it does something i have never seen in any other filter. pink noise high-passed through ren (v3.5 directx):TrevorMag wrote:A good parametric EQ should allow you to increase the Q to get a pretty steep rolloff. Waves REQ certainly does. If it's not steep enough, you can always chain two or more in series. But the sharper the cutoff, the more phase distortion you get (especially near the cutoff frequency), and also a "bump" in the frequency response - once again, at the cutoff frequency.
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- KVRist
- 494 posts since 18 Jul, 2004
^^that's also described in the ren-manual.
'Bands 1 and 6 are third-order filters (equal to 18dB/octave).When the Q=1.0, then they are indeed 18dB/octave, without the bump, as seen below.
In order to show the bump of a higher Q value, which is below the edge of the graph of the REQ, here is a
screenshot of the Waves PAZ real-time analyzer. It was created by a sine-wave frequency sweep of a high cut
filter at 2kHz, with a Q=1.41:
When the value of Q is higher than 1.0, the notch and bump actually give a higher slope than a 3rd order
filter, but still allow some of the higher harmonics to pass thru, although greatly reduced.
When the value of Q is at its smallest (0.71), the slope is slightly less than a 2nd-order filter, about
10dB/octave:'
'Bands 1 and 6 are third-order filters (equal to 18dB/octave).When the Q=1.0, then they are indeed 18dB/octave, without the bump, as seen below.
In order to show the bump of a higher Q value, which is below the edge of the graph of the REQ, here is a
screenshot of the Waves PAZ real-time analyzer. It was created by a sine-wave frequency sweep of a high cut
filter at 2kHz, with a Q=1.41:
When the value of Q is higher than 1.0, the notch and bump actually give a higher slope than a 3rd order
filter, but still allow some of the higher harmonics to pass thru, although greatly reduced.
When the value of Q is at its smallest (0.71), the slope is slightly less than a 2nd-order filter, about
10dB/octave:'
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- KVRian
- 951 posts since 11 Jan, 2004 from Netherlands
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- KVRer
- 14 posts since 2 Mar, 2006
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- KVRAF
- 12977 posts since 29 Sep, 2003 from Ottawa, Canada
FreEQ boy is SICK, and I mean that in a good way. It can be used for any number of EQ functions, in a way that no other plug-in does.
I'm not an Elevayta shill, but when I saw Paul's screenshot, I thought, "SNAP, why didn't I mention it yet???" so I'm trying to make up for it by mentioning that it is simply a wicked plug.
Greg
I'm not an Elevayta shill, but when I saw Paul's screenshot, I thought, "SNAP, why didn't I mention it yet???" so I'm trying to make up for it by mentioning that it is simply a wicked plug.
Greg
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- KVRist
- 33 posts since 28 Feb, 2005
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- KVRian
- 622 posts since 31 May, 2004 from Germany
Go into cooledit, drive an impulse into the fft filter and set the filter amplitude to 0% @ 25 Hz and below &
100% @ 26Hz and higher, take the impulse response and load it into a convolution plugin - voila!
100% @ 26Hz and higher, take the impulse response and load it into a convolution plugin - voila!
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- AcousticHippie
- 4769 posts since 12 Mar, 2003
Lunch Money wrote:FreEQ boy is SICK, and I mean that in a good way. It can be used for any number of EQ functions, in a way that no other plug-in does.
I'm not an Elevayta shill, but when I saw Paul's screenshot, I thought, "SNAP, why didn't I mention it yet???" so I'm trying to make up for it by mentioning that it is simply a wicked plug.
Greg
Greg you honestly gotta stop this beahviour once we start selling our stuff
jk of course
