Anode Labs Bitcrust is a new 12-voice SID-style polyphonic Synthesizer plugin for macOS, Linux, Windows, and iOS.
Retro gaming has a distinctive sonic character, shaped by chip-powered engines. One of the most legendary and influential is undoubtedly the SID chip, which was used in the Commodore 64, among other devices.
Today, there’s a large fan base surrounding it. There’s even a SID voice for Eurorack. Anode Labs, a new software company, has released Bitcrust, a polyphonic Synthesizer plugin based on this chip.
Anode Labs Bitcrust
Bitcrust is a new polyphonic Synthesizer plugin for macOS, Linux, Windows, and iOS built around a SID-style voice architecture.
Once installed, the plugin offers 14 UI skins. The UI immediately gave me a vibe-coded/AI vibes, as the plugin market has been flooded with them in recent weeks.
But according to Anode Labs, the DSP of the Bitcrust synth is an in-house, clean-room implementation written in modern C++ from scratch. More, they said it’s not a reSID fork, so it can be shipped without GPL distribution constraints.
It’s quite possible that the UI was generated by artificial intelligence, because it gives me that impression. However, I cannot confirm or deny this.
Bitcrust is a 12-voice polyphonic synthesizer based on emulations of the 6581 and 8580 chips found in the Commodores.
It features three oscillators per voice with multiple waveforms. You have controls over the frequency, fine-tune, pan, and volume. Additionally, you have a per-VCO ADSR envelope mappable to hard sync, ring mod, VCF, solo, and mute.
Shaping
From here, it goes into a multimode VCF section with cutoff and resonance controls. Modulation is located on another UI page. Along the per-VCO ADSR envelopes, you have three multi-wave LFOs and a per-voice mod envelope. An 8-slot modulation matrix managed these.
On UI page four, you can find a multi-FX processor with six slots, including drive, bitcrusher, delay, chorus, reverb, compressor, and limiter.
They are all fully tweakable, and each parameter is a modulation destination. Further, it features a 16-step sequencer and arpeggiator, also located on a dedicated page.
Anode Labs Bitcrust ships with 113 factory presets, available in a preset browser with a sound preview function, tags, A/B compare, and XML import/export. It has full MIDI support with MIDI learn on every knob.
Sonically, Bitcrust leans heavily towards the bity and crunchy sound familiar from the SID chip and the Commodore 64. Crystal-clear sound is to be expected.
First Impression
Bitcrust looks like a fun, comprehensive 8-bit synthesizer plugin. It’s definitely a plus that they’ve considered iOS. At the current price of 1,99€, you probably can’t go wrong.
Anode Labs Bitcrust is available now for 1,99€ on the Apple App Store as a standalone and AUv3 plugin for iOS and macOS. The Windows version is out now for 1,99€ while the Linux version is a free download. Refunds are available under certain conditions.
More information here: Anode Labs / Apple App Store
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