- Joined
- Feb 5, 2018
- Messages
- 29
- Likes
- 58
(I don't get out much)
You're not alone I haven't seen it discussed with regards to crossovers hence an interesting post by you.
I've used MiniDSP 4x10HD for a few years and currently use the SHD for sub integration, but my interest in this was piqued reading some comments below:
ROON Knowledge Base:
https://kb.roonlabs.com/DSP_Engine:_Headroom_Management
Because of the phase shift associated with minimum phase processing, it's possible for DSP that doesn't make things louder to nonetheless cause individual samples to clip.
Roon's equalizer features are all minimum phase, and its sample rate converters can be configured to be minimum phase. Convolution filters may be minimum phase depending on how they were constructed."
ARCHIMAGO:
http://archimago.blogspot.com/2018/01/musings-more-fun-with-digital-filters.html
"Something I've noticed when playing with filters is that for minimum phase settings, because there's no pre-ring "release" of energy, the post-ringing amplitude tends to be more intense. In the 3kHz waveforms above, I only used -2dB attenuation with SoX and notice that there were a few clipped samples with the minimum phase filter setting, whereas this was not the case with linear and intermediate phase. I think this is a good reminder that DACs that use minimum phase filtering need to be a bit more careful to provide overhead for intersample overload (like MQA where the filters indeed overload!)."
I read somewhere on the MiniDSP forum that they have some unspecified headroom built into their processors to arrive at a notional 0dBFS but cant find it. I personally find the recordings that clip sound shite whether clipping or not clipping so don't loose any sleep over it.