Plogue OPS7 (bit-accurate DX7 emulation!)

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chipsynth OPS7

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They also’ve got a form to join them on the website and they are quite responsive.

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Thanks all!
I just posted this OPS7 bug report in their forum.
As an owner of an old DX7IID, I’m blown away with what David has achieved with OPS7. It’s sounds identical. When the DX7 first came out in the 80s, I always wanted one, but they were expensive! I worked in a music store in Burlington VT, we sold other keyboards, but we were not an authorized Yamaha Dealer. The demand for these keyboards was unreal and the technology was unheard of.

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S Thomas wrote: Tue Sep 23, 2025 2:39 pm Thanks all!
I just posted this OPS7 bug report in their forum.
As an owner of an old DX7IID, I’m blown away with what David has achieved with OPS7. It’s sounds identical. When the DX7 first came out in the 80s, I always wanted one, but they were expensive! I worked in a music store in Burlington VT, we sold other keyboards, but we were not an authorized Yamaha Dealer. The demand for these keyboards was unreal and the technology was unheard of.
Hi and thanks! Though I can't take all the credit! We are a small team that work hard.

@MadBrain wrote in our dev chat:
OPS7 doesn't save oscillator phase. At start, the phases on both layers will be the same, and as soon as pitch is different on both layers (ex: by setting Detune to anything else than 0) it will become different - until the session is saved/restored.

Solution if you want the phase to stay the same on both layers:
- Activate the "Key Sync" setting on both layers. This resets the phase each time a note is played.

Solutions if you want the phase to be different on both layers:
- Activate the "Sim non-init state" option in settings. (intentionally changes startup phase)
- Activate "Key Sync" on only one of the layers.
- Add a small amount of detuning on one of the layers.
David Viens, Plogue Art et Technologie Inc. Montreal.
https://bsky.app/profile/plgdavid.bsky.social
https://plogue.com

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How are things going with the Linux port @davidv@plogue? How close are we to going from beta to gold? :)
Vendor‑Dependent Copy Protection: Customers lose. Pirates win.:mad:
(Also: I'm Accused of lying about Linux—it boots, runs my pro audio workflow, stays stable, updates--though yearly dismissed as “niche”. Yet I'm the deluded one.)
:roll:

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audiojunkie wrote: Tue Sep 23, 2025 7:32 pm How are things going with the Linux port @davidv@plogue? How close are we to going from beta to gold? :)
The last published builds are quite good imho.
The only remaining major issue is "HiDPI" related and working on that now. Only really matters if you use the standalone program really.
Cheers
David Viens, Plogue Art et Technologie Inc. Montreal.
https://bsky.app/profile/plgdavid.bsky.social
https://plogue.com

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Great news! I use HiDPI for everything. I’m glad it’s being supported. :)
Vendor‑Dependent Copy Protection: Customers lose. Pirates win.:mad:
(Also: I'm Accused of lying about Linux—it boots, runs my pro audio workflow, stays stable, updates--though yearly dismissed as “niche”. Yet I'm the deluded one.)
:roll:

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