Machine blacklist

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Here is the list of the machines that will cause buzz to become unstable - even if you don't use them in your songs. They must be completely removed from your Buzz install folders. (Experienced users, if you must use these machines, you are recommended to maintain a separate install in which to do so.)

  • A new feature of Buzz is the Debug Console. (Run Buzz, go to View/Debug Console.) The Debug Console has a Command-style interface, scroll through the messages, and view information about about your initialization, specifically regarding 'machine load errors'.

Description of problems with specific machines


Most if not all of these are very old and cause problems like crashes or a bad DC offset. They also do not take different samplerates into account. While hazardous to unsaved productions, some arguelles crashes can be avoided with careful use (like avoiding too feedback peaking). With the Guru4, for example.


All machines are very old.


All EQs except EQ-7 1.1

Will cause trouble with your songs. Often cuts off all audio or corrupts songfiles. Suspected of noise bursts.


Is available in a couple of different versions (and what's worse: they partially have the same name) - some default to a maximum gain of +/- 36dB; some to +/- 12dB (this can be adjusted within the machines attributes, but you're never sure when you load a "foreign" song).


SampleGrid Byte X 8

Sometimes silent when you load a song with it. The red led is on and its sending some signal that takes a lot of CPU for machines like Reverbs. The silence is triggered when playing certain samples.


Void Bass II

Seems to stop loading, or cut sound output of songs (complete silence, when you remove the machine, song plays again) Try reloading the song. If cut off is set to maximum, voidbass II might not produce sound although the rest of the song is oke, so move that cut off a little bit.

VoidSynth I

Sometimes when reloading songs containing VoidSynth II, the synth may respond abnormally or remain silent.

VoidSynth II

Sometimes when reloading songs containing VoidSynth II, the synth may respond abnormally or remain silent.


Silent output/cuts output

VKR Granular

Can cause crashes or make a song unloadable. There is a tool available to fix .bmxs using this machine that won't load. Still a fun machine though. Might want to use LD Grain instead (much newer).

Zwar (11-machines)

All machines except: 11 Delay v1.1, 11 Rythm Gate v1.1, 11 Distortion v1.0 (the machines "11-xxx" and "Zwar-xxx" are from the same author, in the early days Buzz had no "index.txt" and the "11-..." naming was used to have the machines show on top of the list - which still works: double-click on the empty canvas of the machine view...)

Ruff Kolobok Addition

Some times this machine can lock computer especially on WinXP. Please save you work before using it!

Terms and conventions

  • Effects suffixed by the bracketed statement '(Stereo)', are the stereo-wrapped versions of mono machines.
  • The term 'Blacklisted' refers to buzz machines, forcibly excluded by the program.
  • Buzz generators and effects can be run within several different hosts, for example, Buzé.

Blacklisted in Jeskola Buzz

  • 11-MidiCCout.dll

Blacklisted in gear.xml

These are machines Oskari has marked by default as they conflict with the buzz builds from 2008 onwards.

  • CyanPhase Buzz OverLoader
  • CyanPhase DX Instrument Adapter
  • CyanPhase DX Effect Adapter
  • CyanPhase DMO Effect Adapter
  • 11-MidiCCout

Blacklisted in Buzé

These machines cause problems in Buzé, some may also cause problems in buzz, let's go through Buzé's blacklist, my comments are in itallics, edit if you know better.

These are unstable/unusable:


I have heard of people having problems with Argüelles machines in Buzz, but the others should be fine..?

  • Effect/Static Duafilt II

Not to be confused with Static Duafilt, which is a stable , useful machine.

Crashes on startup:


Also blacklisted in Buzz's gear.xml

The mono versions of these need a patch to run, so their stereo-wrapped counterparts are unusable:

Note you can download fixed versions of these in from the Buze website.


The patches of these are only needed for Buzé and they should be fine in Buzz as far as I know...

Makes no sound and does nothing useful in libzzub anyway:


This is only for overloader extended output and no use in Buzz builds from 2008 and on. If using Buzz 1.2b (Oct 2000 version) there's no problem using this

Cannot be used with libzzub and have been replaced by Audio Input and Audio Output:


Polac's ASIO in/out/shake-it-all-abouts are the best input/output machines in Buzz for those of us with ASIO drivers

Machine behavior-quirks and anomalies

The machines listed below are not blacklisted, and they are all stable and recommended for your use. These machines may, under certain circumstances, appear to behave strangely or incorrectly during use. These quirks and anomalies are not necessarily faults, and are either of the authors' design, or an unavoidable byproduct of the hosts' handling of the plugin.

Sample rate compatibility

  • Some poorly written machines will not work correctly when Buzz runs at a sampling rate other than 44100 Hz.

( Configuring Buzz_View/ Preferences/ Wave Output/ Config ).

Copy/Paste parameters into a pattern

  • Some machines do not appear to handle copying of a Machine Parameters, and pasting into a pattern, correctly. After pasting, some, or sometimes all, of the pasted data shows incorrect values.

WM errors

  • Some Buzz machines generate WM (Work Mode) errors, the CPU Monitor window will display these errors as a numerical value. Users do not need to be concerned about these errors, unless some other machines show excessive CPU usage due to denormal processing. (effects might wrongly expect actual audio in the buffer due to the result of the previous effect/gen, resulting in extremely low floating point values)

If the cpu usage explodes, you can either replace the offending WM-erroring effect by something similar, or insert some denormalizer/dc-offset machine between the 2.

Machines persist to emit sound

  • A small number of Buzz generators and effects continue to emit sound when play is stopped, or in a few rare cases, start to emit sound the instant they are evoked. This is a design feature of the machine's author, users need not to be concerned. Users may wish to control the sound output from such a machine by using a gain, amp or mute effect, or by adding a mute command to your sequence.