[PD] tanh() or a compressor?
mariomey at gmail.com
Tue Oct 1 16:21:23 CEST 2013
El 01/10/13 00:54, Brian Fay escribió:
> Are you using a pop filter or windscreen or anything in front of the
> mic? Maybe that could help filter out some of the super-loud plosive
> and fricative sounds.
No beatboxer uses a pop filter or windscreen... unless he/she is at a
> Moving further away from the mic would definitely lower the volume,
> too (the SM58 is a cardioid mic, so it has proximity effect, where
> bass gets emphasized the closer you are to the mic). I guess the
> proximity effect will actually sound pretty nice on the kicks, but it
> also would explain why the peaks are so high.
Yes, the proximity is very important. Unfortunatly, I can't move further
away the mic.
Well, I wrote in DIY2 thread in Forum, because I want to use Hardoff's
compressor and I wanted his opinion, too. Because, after several tests,
I realized that I can't get rid of the first peak of a kick (more or
less, signal = 4). So, I thought about using the compressor with attack
and release at lowest and, inmediatly after that, something like [expr~
(tanh($v1/1.5))*1.5]. So, tanh() "compress" the highest peaks to 1.5,
but it doesn't distort so much the sound.
Can anybody tell me if I am very wrong?
Is the math correct?
As when writting the arrays to disk, Pd has to normalized them to 1, I
can't see really the difference in a sound editor, between the original
and the compressed one.
> On Mon, Sep 30, 2013 at 3:35 PM, Mario Mey <mariomey at gmail.com
> <mailto:mariomey at gmail.com>> wrote:
> Now, I am checking volumes of my looper patch. I had to raise [*~
> 4] the volume of the mic, to get a razonable volume, compared to a
> song file, for example. But, using this looper patch, I make
> beatbox. So, kicks and snares from my mouth get in the mic. And,
> using a visual array to test it, I realize that the kicks and
> snares are so much higher volume than the vocals.
> The patch has FXs with feedbacks, so, they can make signal > 1.
> So, at the end of the patch, there's [expr tanh($v1)] to to avoid
> that... tanh() is simpler than a a compressor, but it loose some
> sounds (I think). Or I should trust in tanh()?
> Multiple choice:
> 1- Use tanh() in the input, after adc~ and before dac~.
> 2- Use a compressor patch in the input, after adc~ (and tanh()
> before dac~)
> 3- Use a compressor at the end of the patch, before dac~
> 4- Stay as it is now...
> Also, I can't spend more CPU process...
> What do you recommend me to use?
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