• SONAR
  • High Pass, Low CPU
2016/08/15 20:04:22
PilotGav
I'm looking for a solution for something I want to do, which is have a High Pass filter on every channel in my default template, turned on by default.
 
I know I can use the ProChannel EQ to do this, but I find it takes up too much CPU for such a simple task. Also, I'm going through a phase (no pun intended) where I'm staying away from ProChannel. It's just not fitting my workflow.
 
So again, can anyone recommend a low CPU, simple, but quality High Pass filter that would work well as a staple in my stand art template?
 
Thanks!
2016/08/15 20:27:22
slyman
Hey, Gavin.
You may want to check Brainworx bx_cleansweep V2.
It's free.
2016/08/15 20:40:10
ampfixer
IF you want that filter everywhere, does that mean that you have an excess of bottom end everywhere?
 
I do tend to put on a high pass whenever I record acoustic guitar just to grab the little thumps that players inadvertently give the top of the guitar when they don't mean to.
 
I'm curious.
2016/08/15 20:48:41
PilotGav
ampfixer
IF you want that filter everywhere, does that mean that you have an excess of bottom end everywhere?
 
I do tend to put on a high pass whenever I record acoustic guitar just to grab the little thumps that players inadvertently give the top of the guitar when they don't mean to.
 
I'm curious.


Hey Ampfixer!
 
Good question. I'm one who likes to High Pass in order to clean up the bottom end. Of course I wouldn't use it for every track I mix, but I find it's easier to turn it off on a few tracks than to create it on most tracks.
 
This is for a MIX template, not a tracking template though.
2016/08/15 20:50:19
PilotGav
I just discovered the FabFilter Micro!
 
I love this thing! Not only a great Hi Pass, it allows for some very creative shaping!
 
2016/08/15 21:53:41
Anderton
Check out Week 57 in Friday's Tip of the Week. Don't be put off by the title, I'm pretty sure it will do what you want and then some.
2016/08/15 22:20:38
PeterMc
You could route all the tracks requiring high-pass to a bus with a single instance of whatever filter you like at very little CPU cost.
2016/08/15 22:29:59
Kamikaze
Bark of the Dog, how is that cpu. Never tried it on more than two tracks.
2016/08/16 00:35:10
Anderton
Kamikaze
Bark of the Dog, how is that cpu. Never tried it on more than two tracks.

 
That's really good advice, not so much because it's a traditional steep highpass filter, but because the resonance options let you get more mileage out of its "highpassness." For example, you can use it selectively to get rid of most of the lows, but boost the upper lows or lower mids a bit so you have the option to "warm up" the sound while also cutting out the lowest frequencies. CPU consumption is modest.
 
While maybe not exactly what PilotGav wants, for some signals it could be a better choice.
2016/08/16 03:31:17
Rob[at]Sound-Rehab
PeterMc
You could route all the tracks requiring high-pass to a bus with a single instance of whatever filter you like at very little CPU cost.




I wouldn't do that - you want to do HP filtering to take out the rumble at the start of the chain, not at the end ... so I recommend to make use of the low cut button on the pre-amp if recording signals that don't go that low.
 
I never found ProChannel to be resource intensive (use it basically always on all channels, frequently just as a simple low cut). However, there are times when EQ needs to be after FX - there I either insert an EQ plug at the end and keep ProChannel at the beginning, or use BOZ Bark of Dog as simple (sometimes resonant) low cut and keep ProChannel for later ...
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