You are viewing a web version of AudioMulch's help file.
- Introducing AudioMulch
- Using AudioMulch
- User Reference Guide
- Menu Item Reference Guide
- Guide to the Example Files
- Contraption Reference Guide
- SoundIn
- SoundOut
- AuxIn/AuxOut
- MidiIn
- 10Harmonics
- *FilePlayer
- *FileRecorder
- Arpeggiator
- Bassline
- BubbleBlower
- Compressor
- Drums
- FilePlayer
- FileRecorder
- LoopPlayer
- RissetTones
- TestGen
- CanonLooper
- DigiGrunge
- DLGranulator
- Flanger
- FrequencyShifter
- LiveLooper
- Limiter
- NastyReverb
- NoiseGate
- Phaser
- PulseComb
- RingAM
- SDelay
- Shaper
- SSpat
- 5Combs
- ParaEQ
- Nebuliser
- RissetFilters
- SouthPole
- Matrix
- Crossfader
- Frosscader
- Invert
- M*Mixer
- Gain
- P*Mixer
- S*Mixer
- M*Bus
- S*Bus
- VST Plugins
- Audio Unit Plugins
- The Metasurface
- Guide to the Document Switcher Window
- Settings Dialog Box
- Optimising Real-Time Performance
- Getting Help and Further Information
- How to Get Help While Using AudioMulch
- AudioMulch on the Web
- Sending Suggestions and Bug Reports
- Further Reading
- Selected Technical Bibliography
- Glossary
- Appendix
| SignalGenerators | Previous Next |
TestGen

Generates tones: a sine wave or noise.
TestGen generates sine tones and white noise. You can control the volume of the sound and choose the pitch of the sine tone (frequency range 10 Hz-20,000 Hz).
![]() |
See the Using Common Contraption Controls section for information about using sliders, knobs, presets etc. |
Related Contraptions
Parameters

|
Sine (Frequency) |
Selects a sine wave. Controls the frequency of the sine wave (10 to 20,000 Hz). |
|
Noise |
Selects white noise. |
|
Volume (Amplitude) |
Controls the output volume. |
Relevant Example Files
The following files provide examples of how TestGen can be used:
GrainMod.amh, MulchJungle.amh, ShapeSynth.amh, SidechainingSouthPole.amh, TranceRiffer.amh & Chemutengure-MbiraMelody.amh.
![]() |
To open the Example Files directory, go to the File menu, select Open, and double-click on the Examples folder. Read descriptions of the example files here. |
Suggested Uses and Practical Applications
Andrew Bencina says: “TestGen's white noise source can be used on its own or mixed with other sounds prior to filtering as a means of thickening or making more noticeable any filtered effects.”

