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Looks like it could be used with little to no modifications, though I haven't finished building my ArduinoBoy so I can't say for sure. Trying to figure out where to mount my MIDI connectors was a small bother so this shield would generally solve that problem.

It's more pronounced on the WAVE channel but I hear it on the squares too. Hopefully am going to have a Pro-Modded DMG-001 here in a few weeks so I'll try to remember to report back my findings on how that sounds.

I think you're missing the point a bit. It's not noise in general that I'm concerned with. Like I said previously, if I wanted high quality chips, I can just generate waveforms on my Virus or using GoldWave (hah those were good times).

Also as mentioned before, the problem is the disharmonious high-pitched noise because that can be distracting to the rest of the song. The buzzes, fuzz, zippers, all that I do want. Just not the high pitched stuff that makes me ears bleed.

I have tried with the power save on and on auto. The actual audio has the noise characteristics so it seemed largely unaffected by that setting.

I'm playing this through a mixer, which also goes out to speakers, but also has a rec-out I use to capture the audio. The mixer, I'm sure, introduces some noise but the noise I am hearing definitely sounds like aliasing now that I've looked into it more - the mixer doesn't add that (I use it to record sources that don't have aliased noise).

From what I understand about the SID, it is a digitally-controlled analog synth at its heart. The precision is probably low, but I don't think it has the aliasing problem in the conventional sense. Plus it has analog filtering caps so I bet that may be helping there, in at least the cases where you have it on low or bandpass (I don't recall hearing any aliasing from the high-pass either though).

The SID is a noisy little beat, but it's mostly fuzzy noise, and that's noise I tend to like when talking about vintage gear. I'm not 100% sure about that, but I certainly haven't heard any aliasing with my MidiBox SID synths like I hear with the GameBoy.

vgx is probably on the money in regards to the aliasing going on. The characteristics of the spectrum graphs I have produced look strikingly similar to some of the ones I have seen when looking at discussions over downsampling (which causes aliasing).

I might build my own analog filter just for the GB at some point. In fact there's some neat work on the MidiBox side using SSM filters, though that's more than I need. I really just need a low-pass noise filter. I would imagine that isn't going to be terribly complex to build. For now, though, I'll likely do it in post since I have plenty of other things I still need to build (like an ArduinoBoy).

It's an interesting conversation for sure. Funny how I never noticed the aliasing when I was younger. Or maybe I did and just didn't know what it was

Actually I've run into differences with FamiTracker. Check it out. Not every song is that different, however, and that may even be fixed in the newest version (that was done with 0.3.5). I'm not really spending the extra effort to record off the real hardware for cool points - just personal satisfaction more than anything.

You're right, though, few (if any) would notice the difference if I used emulation for this album, but, I dunno it's sort of like people who listen to vinyl. They put a lot of work into the art of listening when most people can just download file, play file. I think it's more the journey.

Oh and as far as buying the album, we would appreciate it! It is not required, however - the MP3s will be available for free. Speaking of vinyl, though, we want to do a limited run for the special edition version of the album if we can get enough money to fund it (it's not exactly cheap for a small band like us). We will also offer high quality versions of the songs off BandCamp that will be non-free. It's really more to support us if you feel the need - honestly the MP3s sound pretty close to the high quality versions (not surprising really given our lo-fi sound from the chips and guitars).

According to Wikipedia:

"Fakebit refers to a style of electronic music that differs from real 8-bit (music) in being made with the technical resources of sound emulation...instead of real low bit computers and gaming consoles."

So, based upon that definition, no. We, often painstakingly, record all sounds from the real hardware. The only time we bend this rule is when we channels from some of the extra sound-chips (such as the VRC6 and FDS), though they are still painstakingly recorded off a real NES (via the PowerPak, but it is still emulation).

If you want to know details about how we record things and why, you can find some explanation here. To date, the only released song that uses an extra sound-chip is Tsunami Gaiden, which uses the extra channels of the VRC6. A few of our other songs in the works use the VRC6 or FDS, although I would imagine we will start using the GameBoy for future songs instead (particularly where we find the need to use the FDS channel).

Of course, if you know of a place to get some VRC6 chips without removing them from existing carts (such as my Akumajō Densetsu import), I would be all over that.