madronalabs / sumu-issues

issues for Sumu, currently in beta.
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Sumu b13 - Harsh sound when Amp at 0 position #14

Closed BenPalc closed 5 months ago

BenPalc commented 5 months ago

Most of my patches sound very different in b13. After experimenting for a while, I think I finally figured out the main issue - When the amp is at 0.00 and the FM is fully open, there is a nasty buzzing high pitch saw type noise.

Environment Windows 11 Home (version 10.0.22631 Build 22631) and Bitwig 5.1.9 Sumu 1.0.0b13

Steps

  1. Load the ranoka/amoeba sonar ambient preset (or recreate something similar to the video)
  2. Note that the amp starts fully at 0.00 and the FM Gate is fully open.

Expected Nice bubble texture type sound.

Actual Nasty buzzing high pitch saw type noise.

Observations This happens if the Sumu instance is activated with the amp already at 0.00, or if the instance is activated with the amp at a different value (like 1.00) and then adjusted back to 0.00.

Repro I can reproduce this on all my patches I designed in b12 that have the amp at 0.00

Evidence I uploaded some unlisted videos on YouTube for better quality:

Video 1: Sumu 1.0.0b13 - with the issue https://youtu.be/UxcV_74KEGo

Video 2: Sumu 1.0.0b12 - without the issue for context https://youtu.be/FXTF8ZnZSSI

Note - issue where patch name says 'Default' when reloading a plugin instead of the actual patch name also in the video.

madronalabs commented 5 months ago

Fixed in 1.0.0b15.