ctag-tbd
Hype20/100CTAG TBD >>to be determined<< an extendible open source Eurorack sound module
ctag-tbd is custom firmware for the CTAG (FH Kiel) TBD, by @ctag-fh-kiel. Latest release tbd-4-strämpler (September 2026), 260 stars on GitHub.
forCTAG (FH Kiel) TBD·by@ctag-fh-kiel
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ctag-tbd-4-strampler-offline-flasher.zip· 93 MB
Custom license· ctag-fh-kiel/ctag-tbd·downloads come from the creator’s GitHub releases
tbd-4-strämplerTBD on Strämpler v1.0.0Latest1 file
TBD on Strämpler v1.0.0 includes binaries for tbd on strämpler, instructions how to flash and flash utility.
1.0.0Release 1.0.06 files
1.0.0_rc1TBD Version 1.0.0 Release Candidate 16 files
This TBD firmware release has many improvements and new features. Stability should be greatly improved compared to the previous versions. Details will be posted in versions.md once v1.0.0 will be released. Please comment in the discussion forum and file any issues.
Enjoy!
0.9.21V0.9.218 files
V0.9.21
- VCV Rack v1 and v2 plugins available "tbd4vcv" to test and enjoy TBDs growing set of sound processors, details here
- New plugin RecNPlay by M. Brüssel --> https://soundcloud.com/taitekatto/recnplay-for-tbd
- Sample import web UI now indicates mono vs. stereo samples
- When overwriting patches, old patch name is shown in dialog and can be edited prior to overwrite
- Favorites are now contained in backup, restoring backup OVERWRITES!!! current data
- Favorite ex-/import allows exchanging patches among users, tbd4vcv and simulator, import OVERWRITES EXISTING PATCHES AND FAVORITE!!!
- Stability improvements with regard to flash storage reliability at boot up
- Minor bug fixes
tbd4vcv-beta-win64tbd4vcv rack beta win64Beta1 file
tbd4vcv-beta-mactbd4vcv rack beta macBeta1 file
tbd available for vcv rack --> mac beta
comments in discussion pls
0.9.20V0.9.202 files
V0.9.20
- WTOsc extended with pitch quantizer, smoothed wavetable selection by CV --> significant improvement
- TBD03 slide and slide level parameter added
- Current firmware version shown in web ui configuration menu
- Calibration backup / restore dialog page
0.9.19aV0.9.19a2 files
V0.9.19a
- New plugin Freakwaves by M. Brüssel --> complex wavetable synth
- Web GUI now transmits static data in gzip compressed fashion resulting in much faster GUI loading
- Favorites menu allows to store/recall plugin + preset combinations --> convenient way to restore module setting
- Github action scripts to support Cloud Compiler which allows one to only include the best plugins e.g. to obtain more sample rom --> cloud compiled firmwares can only be flashed through serial USB connection NOT WIFI
- Modifications to support more upcoming hardware versions
- Fix for severe memory leak bug related to JSON data objects --> critical
0.9.18aV0.9.18a2 files
- New plugin Talkbox by M. Brüssel --> Awesome Vocoder Plugin based on mdaTalkbox
- New plugin MSxxNoise by M. Brüssel --> Models MS20 filter and Stone Phaser
- Config option to daisy chain CH0 out -> CH1 in, that is route CH0 output to CH1 input in software-
- Minor bug fixes / architecture improvements
0.9.17V0.9.172 files
V0.9.17
- New plugin Antique --> Generates old record / tape effect
- New plugin Subbotnik by M. Brüssel --> Huge modulations
- New plugin VctrSyn by M. Brüssel --> Complex vector synth monster
- Minor bug fixes / architecture improvements
0.9.16V0.9.162 files
V0.9.16
- New plugin SpaceFX by M. Brüssel (uses Vult Technology)
- Bjorklund parameter reduction (some setting caused CPU overload)
- Numeric plugin parameters can now be reset to 0 by double clicking parameter name
- FBDlyLine plugin bug fix, dry/wet slider now working
- Limitation of patch storage to 10 patches per plugin (this is due to the limited storage resources on the platform), fixes out of mem bug, when too many patches were created
- Patch write button changes color to red to indicate overwrite of existing patch
- Web UI has now modal screen during plugin change and preset load/save
- Minor optimizations
0.9.15V0.9.152 files
V0.9.15
- New plugin Retroactor by M. Brüssel (uses Vult Technology)
- Bugfixes Bjorklund by M. Brüssel
0.9.14V0.9.142 files
V0.9.14
- New plugin Formantor by M. Brüssel (uses Vult Technology)
- New plugin Bjorklund by M. Brüssel (uses Vult Technology)
- Added dummy plugin Void --> No processing overhead for a single channel
0.9.13V0.9.132 files
V0.9.13
- New plugin APCpp by M. Brüssel
- CDelay noise reduction / different filter model
- Rompler pitch, start position latch if slice latch on trig
- Rompler bit reduction
- Claude more grains, removed mono in as similar functionality already with mode 1 & 3
- Added developer docs for windows (in doc/ folder)
- Added continuous integration scripts
- Added configuration option for different HW platforms including (Strämpler)[https://github.com/ctag-fh-kiel/ctag-straempler]
- Bug fixes
0.9.12aV0.9.12a3 files
V0.9.12a
- New plugin Karpuskl by M. Brüssel
- Sample rom can now be flashed without need for reboot
- Bug fixes
0.9.11aV0.9.11a TBD's got sampling now --> happy 2021!3 files
V0.9.11a
- BIG FRESH 2021 UPDATE, TBD CAN DO SAMPLE PLAYBACK NOW
- When you update, check the new "edit sample rom" option and upload custom or stock samples (sample-rom.tbd file in release)
- New plugin Rompler (sample playback device)
- New plugin WTOsc (wavetable oscillator able to use user wavetables from WaveEdit)
- Bug fix Claude
- Extension Claude mono in option
- Rompler memory fixes (difference to V0.9.11)
0.9.10V0.9.102 files
V0.9.10
- New configuration option for output volume
- Bug fix: Modular output levels were too low
0.9.9aV0.9.9a2 files
V0.9.9a
- New plugin Claude --> port of mutable instruments Clouds including parasites reverse option
- Some minor optimizations
0.9.8V0.9.82 files
V0.9.8
- New plugin BBeats by M. Brüssel (credits also to M. Wand for beats) --> Byte Beat Generator
0.9.7a2 files
V0.9.7a
- Mono + Stereo CStrip effect plugin, based on airwindows design --> Channel Strip
- Stereo Every Trim effect plugin, based on airwindows design --> Every Trim
- Minor bug fixes