Updates
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# POLY-1 hybrid polyphonic synthesizer
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WORK IN PROGRESS!
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USES KICAD 6.99.
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This is a hybrid (analog and digital) polysynth using the classic subtractive
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synthesis method. Features include the following (an asterisk \* means the
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feature is provided in digital, otherwise analog):
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- Fully controlled by MIDI, plus front panel to edit settings (keyboardless)
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- Monophonic control of pitch, modulation, and gate by CV
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- Monophonic output of CV
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- Up to 16 voice boards:
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- Dual analog VCOs per voice providing:
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- Square, sawtooth, triangle
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- PWM by LFO (including symmetry modulating for triangle) on both
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- Fully variable FM by LFO on both
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- Fully variable FM by envelope on oscillator two
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- Hard sync from oscillator one to oscillator two.
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- Digital tuning of VCOs (\*)
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- [SSI2144](https://www.soundsemiconductor.com/downloads/ssi2144datasheet.pdf)
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quad pole lowpass filter with switchable pitch tracking, envelope modulation,
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LFO modulation at two fixed strengths (LFO amplitude is also variable), and
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resonance as a function of pitch (\*).
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- Voltage-controlled amplifier combines audio, noise, envelope, and optional
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LFO.
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- Dual digital envelope generator (\*) generating independent envelopes for
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- Polytimbral - patches can be assigned to MIDI channels (global LFO and VCA
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excluded)
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- Global digital LFO providing:
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- Sine, square, sawtooth, triangle, noise
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- Internal modulation against a second LFO (not routable to voice boards)
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with same shape options
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"width": 0.0
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}
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],
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"drc_exclusions": [],
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"drc_exclusions": [
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"silk_edge_clearance|47580000|167500000|6af8f260-787f-42c4-99e7-ea96cb47ae90|f4f6b39a-9b6e-43d3-b958-80c6a62055fd",
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"silk_edge_clearance|53820000|167500000|6af8f260-787f-42c4-99e7-ea96cb47ae90|f641bd09-a145-4127-9aee-095b3539ad26"
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],
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"meta": {
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"version": 2
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},
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