Re: Aw: [sc-users] Re: 30hz high pass mastering

[jamshark70@xxxxxx]

daniel-mayer wrote
>> Perhaps in terms of amplitude, but I bet a Butterworth highpass will be
>> more
>> spectrally transparent. 
> 
> HPF *is* a Butterworth highpass.

Well, yes, which is why I mentioned it. I wasn't saying "a Butterworth
filter would be better than HPF"; I meant to say "HPF, as a Butterworth
filter, is spectrally transparent in a way that FFT is not guaranteed to
be."


> I checked your example with cascaded BHiPass4 and got better results than
> with HPF, but not close to PV_Brickwall.

Again, "better" in what way?

A mastering filter had better minimize rippling in the frequency response.
If you're only measuring the severity of the attenuation, you're
demonstrating strong attenuation but that may not make it a better filter to
the ear.

hjh



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