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Chris

Airwindows is one guy: me! I am an audio hacker and computer programmer from way back. I seek only to continue my life up here in Vermont, inventing things and putting them onto the internet, sometimes for free and sometimes for pay. My hope is that people richer than me (i.e. most people) don't rob me. My other hope is for another cup of Aeropress. One out of two ain't bad!

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Desk

TL:DW; Classic Airwindows subtle analog modeling. Desk Now that we’re done for now with dithers (though the contest to name my best wordlength reducer ever is still going, and will run until February 1 when that one’s made public) it’s time to get into something more interesting. Namely, the canonical version of Airwindows Desk, brought […]

PowerSag

TL:DW; Emulates power supply limitations for analog modeling. PowerSag We’re going to explore the early Desk plugins (as free VSTs), so here we’ll start off with one of the underlying principles! PowerSag models the problem of analog power supplies that can’t source enough current to drive the output of the circuit. The circuit doesn’t directly […]

Fracture

TL:DW; Soft frequency-doubling-and-tripling waveshaper. Fracture Hi! Merry Xmas to Xmas-ers. Here’s a truly freaky little wave-shaper. It’s of interest to distortion fanciers, those who make wubs and things, and anybody who might like the digital equivalent of an insane boutique stompbox that doesn’t sound like anything else. It’s not exactly the sort of thing you […]

NaturalizeDither

TL;DW: Deterministic dither uses Benford Realness calculations for each sample. NaturalizeDither Last and definitely not least in the dither-fest: Naturalize! This dither is often considered best by listeners. It works on every genre, at every sample rate. It adds no tonal color to the audio, and the noise it produces is quiet… but more than […]

NodeDither

TL;DW: The testbed for the TPDF-based dithers. Flanger dither! NodeDither And just one more dither plugin before the eagerly anticipated Naturalize… (because who will care about these then?) …NodeDither, the testbed upon which PaulDither and TapeDither were developed! I still think it’s good to have those as separate plugins (for simplicity and purity of concept) […]

TapeDither

TL;DW: TPDF variant with noise like reel-to-reel tape. TapeDither I thought I had it all worked out. Put out a proper, well-coded TPDF dither, the highpassed variation on it I’ve called PaulDither, and move on to the fancy boutique stuff. But there was this one experiment I had in mind. If you could do the […]

SpatializeDither

TL;DW: Spatial positioning and clarity dither. SpatializeDither Spatialize is one of my high-performance boutique dithers. Though I think my Naturalize beats it, that’s a preference: I like digital sound to sound organic and real, and I like ambience and foggy distance and other things Naturalize is great at emphasizing. Spatialize is also good at reverb […]

VinylDither

TL;DW: Retro ‘groove crackle’ dither with fuller sound. VinylDither To explain this dither, I’ve got to talk about SACD (DSD) a little. There’s a super-hi-fi digital format known as DSD (direct stream digital). It uses a sample rate in the megahertz, but not as many bits (as few as one, even!) and is tricky to […]

HighGlossDither

TL;DW: If you like truncation and artificial vibe, try this! HighGlossDither Here’s an Airwindows science experiment! The idea here was to identify things about truncation that some people (maybe crazy people, but people nonetheless) like, and build them into a dedicated dither. This video includes extensive exploration of truncation, TPDF and flat dithers besides HighGlossDither, […]

PaulDither

TL;DW: Single pole highpassed TPDF dither. PaulDither As long as we’re making TPDF dithers, here’s something worth noticing, and a shout-out to a great person. In a public Facebook discussion on dither, Paul Frindle (Sony Oxford, and the DSM 2 ‘prismatic compressor’) suggested his own preferred solution, in general terms: “The one we use most […]

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