[LAU] [Bulk] Re: Tilt EQ

[Ralf Mardorf]

On Wed, 4 May 2016 22:47:01 +0200, Ralf Mardorf wrote:
>On Wed, 4 May 2016 22:00:34 +0200, Alessio Degani wrote:
>>Yes, a tilt EQ can be implemented in different ways, and perhaps the 
>>most simple way is the cascade of low + high shelving EQ with the
>>gain control that moves in opposite way with respect to eachother.  
>
>Did you read Fons response? "That's just a shelf filter and some gain".
>
>One shelving filter does it all. In addition you anyway need to adjust
>the loudness impression. One knob can't do it.

Please explain it.

You have to equal shelving filters, IOW based on the same frequency and
the same quality, bandwidth.

What is the difference between increasing one filter 1dB (aka +1dB) and
decreasing the other one 1dB (aka -1dB) or just using one filter
increasing or decreasing 2dB and adjusting the overall volume?