Which HQP Filter are you using? [2024]

Those settings apply when you are playing DSD source content to PCM output. Controlling how DSD to PCM conversion happens.

Those are fine. This is what I have selected at the moment:

But your poly-gauss-long choice may be better, although a bit heavier.

Hey all, currently using my built in DAC on my PC. It is limited to 24 bit / 192k. What settings do you recommend for this for PCM? I currently have poly-sinc-ext2 / TPDF / 192k. Thanks in advance!

1x poly-sinc-gauss Nx poly-sinc-gauss-halfband


With CPU chilled on Noctua NH-U12S

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Which one? … cpu

i9-14000
Sugo 16 with a DeskMeet B660-ITX motherboard

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Noctua fans it looks like

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Correct :+1:! Is this one
https://noctua.at/en/nh-u12s

Hi. I’m using HQP4 now. I want to upgrade 4 to 5 but a problem is there. In the same condition, 4 can play clearly but 5 has stuttering several times while playing. I think the difference is multicore usage. May I ask if you can improve this issue?

Now I’m using (4&5)
Oversampling 1x : sinc-Ll
Oversampling Nx : sinc-L
Modulator : AMSDM7EC 512+fs
Bit Rate : 48x 512
Multicore DSP - On
CUDA offload - On

I use big cases, so I have number of systems with Noctua’s NH-D15S. It is rather big, but it can be fairly quiet as well. NH-D15 has two fans, but may have trouble with taller memory modules.

Something like a i9-14900K(S) is a beast to cool though! Keeping it running at full power, without thermal throttling, and quiet, takes a large case, large AIO and a lot of quiet Noctua (or similar) fans.

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What does “nvidia-smi -l 5” show as load differences between the two cases?

In your graphs v5 seems to be lower overall load though.

Those new modulators of v5 are not of interest?

I can’t evaluate properly because of poor computing performance, but I prefer AMSDM7EC 512+fs to ASDM7EC-super 512+fs. It has clear background sounds and is a bit more fantasy-like.

New capture including GPU usage. In V5, I found a stutter every 10 seconds. In V4, there are 4 stutters in the same music.

I know I need to upgrade my computer, but I would be happy if you could solve this problem programmatically.

Moreover, even with the same settings, V5 produces a much more beautiful sound than V4. I can’t go back to V4 because of that very difference.

V5 puts more operations on the GPU, so it could be also GPU occasionally capping. But hard to say for sure.

Thanks. I’m considering buying 7950x3d and 4090, but like you said, it would better to buy GPU first.

Listened here for a couple of days 1x/Nx sinc-long light 512+ correction enabled and dsd512. Sounds somehow fresh :grin:

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Embedded 5.07
DAC correction
DSD 512 x48
1x Sinc-MGa Nx Sinc-MGa
Modulator also ASDMEC7-light

My first time using GPU, amazing performance!



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Yes, the old standard always sounds good after visiting guests! So, nothing beats gauss-long/hiress-lp, nor light/super 512fs+ modulators either. It’s always best to go back to the old ways after cheating :sweat_smile:

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Enjoying Sinc-MGa with with DAC correction. It almost uses all GPU RAM but computer power is not as demanding. Unlike poly-sinc-gauss-xla is totally opposite :rofl:



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SMSL D1se (needs an upgrade at some point)
Burson Audio Soloist 3X GT
Hifiman Arya Stealth
ZMF Bokeh

Pretty new to Roon and even more new to HQP so still on my trial. I don’t really know what I’m doing lol, but reading around the web, here and in the manual, I’m kinda found a good two combinations.

I use this for smoother tracks, chilled piano etc. Listening to Got to Turn My Luck Around by Rikard From turns the track into liquid gold. I do think you lose some detail tho?

But for general use, I like using the following. For Jazz at the Pawnshop for example, just nicely taming the trumpet and pushing it back as without it sounds to play higher in my head certainly seems to give the instruments a more focused location

As I said I’m very new to this so what do I know but what I can hear. But if anyone has some advice as to some other good settings with my chain then I will gladly give them a go.

I have a reasonable PC and with DSD upscale and sinc-L it takes around 12 seconds, asymFIR a bit less. But what it does do is make you stop like you playing a vinyl album. Flicking around your library like you have ADHD is not for intensive HQP scaling

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