Stutter when using VRR sync lock at 60.1Hz

I've just upgraded to firmware 1.94 (and subsequently 1.95) on my 4K Pro, and I'm getting some pretty bad stuttering every second or so on MiSTer cores that run at 60.1Hz (NES, SNES) when using VRR+VRR Sync Lock.

I'm using the MiSTer DV1 profile set from TheJesusFish (the October 2006 VESA Synclock version). I've tried a couple other cores (Genesis, Saturn), and didn't see any issues there. Switching to Gen Lock fixes the stuttering for NES/SNES. Has anyone encountered similar issues? I'm wondering if this is a specific issue with my monitor (which is a Samsung G80SD 4K OLED) or setup, or something more widespread.

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u/hhkk47 — 6 days ago

Questions regarding the Radeon 9700 for late Windows 98 / early XP

I'm looking to build a high performance retro PC for the early XP / late Windows 98 era. Back in 2001, I had a socket 462 Athlon 1.2GHz with a GeForce 2 MX200. The CPU performance was great, and the GPU, while far from great, was pretty decent. That system killed multiple power supplies back in the day though. In hindsight, I guess this was due to the platform drawing too much current from the 5V rails. Granted these were cheap PSUs I would never touch now, I wasn't really too eager to build another one on the same platform, especially with the general lack of 5V capacity in modern PSUs.

This led me to a long rabbit hole, which ended up with getting a Gigabyte GA-81865GMK-775 (on the way) and a Core 2 Duo E8400. The board is pretty similar to the famous Asrock 775i65G in that it has the 865G chipset, and therefore AGP. Way overkill for what I was originally going for I know, but it should hopefully be stable, reliable and have no issues with either 98 or XP.

For for the GPU, I managed to get a Radeon 9700 Pro locally for a pretty good price (compared to what they go for now on eBay anyway). I know that this is again pretty overkill for 98 and maybe perfect for early XP, but also that it does not support table fog in 98. And that it tends to be pretty fragile.

A couple of questions:

  • What is the general consensus on a good replacement for the stock TIM? Or maybe a good replacement cooler? I'd prefer not do the shim removal mod as I'm not too confident about removing it without breaking things.
  • Since it only supports table fog in XP, do the games that require table fog tend to have issues in XP? Or is it worth tracking down a GeForce 4/FX of some sort for it (and the added bonus of 8-bit paletted texture support)?
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u/hhkk47 — 1 month ago

Is there a way to limit transcoding only to lossless files?

I've just started using substreamer, hand have it connected to a Navidrome installation on a local server. My library has a combination of FLAC rips as well as M4A files purchased from iTunes.

I was looking through the streaming options, and saw that there are options to stream the files as is or transcode them on the fly, which is great. One thing I would like to do though is to transcode only the FLAC files, and stream the M4A files as-is, in order to avoid conversion from one lossy format to another. Is there a way to do this? Thanks

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u/hhkk47 — 3 months ago

I wish we had a new PX100

I had a PX100-II several years ago until I stupidly misplaced and lost it somewhere. I liked it a lot more than the Koss on-ears, particularly its chassis/build: single-entry cable which is a lot more convenient for portable use, and a headband that folds without the need for a lot of tension and also does not eat your hair when you adjust it. I also prefer its smoother tuning over the PortaPro and KSC75.

Unfortunately by the time I lost mine, it has already been discontinued. It does look like we're having a sort of mini revival of these lightweight, portable, open on-ears with Koss releasing a few new variants and Moondrop releasing the Old Fashioned. It's nice that the Moondrop has a detachable cable, but among these (at least among the ones I'm aware of), only the PortaPro folds (and even then I'm not a fan of the folding mechanism), and none of them have a single entry cable.

I hope that we eventually get a new PX100 from Sennheiser or from someone else with similar physical features, and of course good sound. I tend to prefer these over IEMs for portable use (unless I really need isolation), and it does seem like there's still a market for it, though probably a small one.

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u/hhkk47 — 4 months ago

Heddphone D1 questions, coming from an HD650

I've had an HD650 for well over a decade, and I love that thing. However the pads are due for another replacement soon (those things are expensive!) and it had me thinking if it's finally time for an upgrade.

I keep hearing/reading that the Heddphone D1 is the logical upgrade from an HD600/650/6XX, but I'd like to hear some opinions from people who have tried them before I pull the trigger.

I love the sound, particularly the very "natural" midrange of the HD650. But while I find it fairly comfortable, my HD490 Pro has pretty much taken over as my primary headphones due to how much more comfortable it is, despite preferring the HD650's overall sound. So much so that I have an HD 480 Pro coming in to replace my HD620S as my primary closed back. How is the comfort on the D1 compared to the Sennheisers? I tend to stick with the Senn 500/600-series chassis and now the 480/490 Pro because I have a big head and ears that stick out a lot, and I know that those Sennheisers work for me comfort-wise.

As for the sound, is the D1 a significant improvement over the HD650? Reviews tend to say that it has better bass and soundstage than the 650. I would like more bass as long as it doesn't make everything else muddy. I tend to listen more to rock, acoustic, and some jazz. I'm not really into electronic music or hip hop at all.

For the soundstage -- maybe I just haven't tried the right headphones, but I have to admit, I don't really perceive soundstage very well or at all, at least with headphones. I had an HD 599 in the past, which supposedly has much better soundstage than the 650, but again I didn't really perceive that for some reason.

And perhaps most importantly in terms of sound, does the D1 have that same "natural" midrange/timbre that the HD 600-series has?

Any feedback would be appreciated. Thanks.

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u/hhkk47 — 4 months ago

Is an HDMI-modded Wii as good as a Gamecube for Gamecube games?

I just had my Wii HDMI-modded with an ElectronAVE kit, and will get it back in a week or so. Since it's also using GCVideo (I use a Bitfunx GCVideo dongle for my Gamecube), is there still any advantage in using a Gamecube for Gamecube games over this? I don't have or plan to get a Gameboy Player, since I prefer playing handheld games on handheld systems instead of a TV/monitor.

Not planning to get rid of the Gamecube, but if the HDMI modded Wii is just as good, I probably won't keep it hooked up in my permanent setup to free up some space on the shelf and a port on the HDMI switch.

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u/hhkk47 — 4 months ago

Crackling audio on Gamecube via HDMI

With my Wii sent out to a tech for AVE HDMI installation, I recently bought a Bitfunx GCvideo HDMI adapter for the Gamecube. Naturally I expect the Carby to go back in stock any minute now.

But seriously, it looks and sounds great through the Retrotink 4K -- at least for a few minutes. After around 5 minutes or so, the audio starts crackling. Reloading the profile fixes the issue for a few minute, after which the crackling comes back again.

I used the Wobbling Pixels GCVideo 4:3 Fill preset as a basis, and added CRT effects. It's been set to use Gen Lock.

The Gamecube is a DOL-001 with no SP2. It already had a Picoboot installed when I got it so I didn't touch that. Swiss is installed on a memory card SD slot adapter in the 2nd memory slot -- the first one contains a GCMCE. The ODD is installed but not in use. I use a USB-C trigger cable connected to a USB PD adapter for power.

Any ideas on what could be wrong here?

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u/hhkk47 — 5 months ago