Research

IRZU INSTITUTE is an independent research organisation registered at Slovenian Research Agency performing research, education, and habilitation activities in compliance with local regulation (ZRRD-UPB1), Oviedo Convention, WMA’s Declaration of Helsinki, and WMA’s Declaration Of Geneva.

Latest discussions:

• Virtual instruments with audio rate modulation (in: Instruments) - By: gentleclockdivider 22 Mar 12:08 Every synth that has lfos go faster > 20 Hz is essentially audio rate modulation . That being said , if an lfo can go…Read moreVirtual instruments with audio rate modulation (in: Instruments)
• regex – Applying simplification rules to a DFA to derive a regular expression for it - It is quite straightforward once you see it: The equation of 𝑋1 is right there inside the equation of 𝑋3:       𝑋1 = 𝑎𝑋2 + 𝑏𝑋1    …Read moreregex – Applying simplification rules to a DFA to derive a regular expression for it
• Amiga style tuning file? (in: Sound Design) - By: Hanz Meyzer 22 Mar 10:11 DeepSeek gave me this result (with some manual corrections), does it look correct to you: [code] ! Amiga_ProTracker_NTSC_10_Octaves_Corrected.scl Tuning file for Amiga ProTracker (NTSC…Read moreAmiga style tuning file? (in: Sound Design)
• Why is GPU based audio processing not really a thing? (in: DSP and Plugin Devel…) - By: mEnZI1 22 Mar 09:35 In large-scale parallel computing tasks, GPUs have significant advantages. Currently, apart from FFT, convolution, and synthesizers with 1000 voices, I can’t think of many other…Read moreWhy is GPU based audio processing not really a thing? (in: DSP and Plugin Devel…)
• Synth developers scared of implementing poly unison into analog emu engines? (in: Instruments) - By: Tone2 Synthesizers 22 Mar 08:27 All our synths support this since over a decade: www.tone2.com/saurus.html www.tone2.com/gladiator.html www.tone2.com/nemesis.html www.tone2.com/warlock.html www.tone2.com/rayblaster.html www.tone2.com/icarus.html It’s not a feature that is very easy to…Read moreSynth developers scared of implementing poly unison into analog emu engines? (in: Instruments)
• Conceptual flaw? Oversampling setting of modules is not sample rate dependent (in: MeldaProduction) - By: Hanz Meyzer 22 Mar 07:05 As far as I understand it, the oversampling setting within the modules are not sample rate dependent, e.g. in the merger module… Is that…Read moreConceptual flaw? Oversampling setting of modules is not sample rate dependent (in: MeldaProduction)
• permissions – FreeCAD cannot access files in my home directory? - I am trying to add /home/peter/.pyenv/versions/3.10.12/lib/python3.10/site-packages/ to the python library path inside FreeCAD. But FreeCAD is giving my a permission denied error. >>> import os >>> os.listdir('/home/peter/.pyenv/versions/3.10.12/lib/python3.10/site-packages/') Traceback (most recent…Read morepermissions – FreeCAD cannot access files in my home directory?
• nginx – Getting 502 when executing /chat/completions endpoint in staging environment - I’ve been scratching my head over this issue for a few days now. We have three environments – dev, stg and prod. In dev and stg (haven’t done prod yet)…Read morenginx – Getting 502 when executing /chat/completions endpoint in staging environment
• kernel – MOK key enrollment fails under Ubuntu 24 with TPM-backed FDE - I recently installed Ubuntu 24 with hardware-backed full disk encryption, and now I want to install a third-party kernel module (specifically the PEAK CAN driver). My understanding is that kernel…Read morekernel – MOK key enrollment fails under Ubuntu 24 with TPM-backed FDE
• TyrellN6 comes home! (in: Instruments) - By: concealed identity 21 Mar 23:40 That Plugmon skin is great. Here’s my favorite one, it just makes everything so clear and easy to find: u-he.com/PatchLib/skins/audiot-tyrell_plastic_skin.zip u-he.com/PatchLib/skins/audiot-tyrell_plastic_skin.jpg Another good one:…Read moreTyrellN6 comes home! (in: Instruments)