About Function Generator
Dual channel function / waveform / signal generator for the speaker / headphone audio output. Output is 16 bit for each left and right channels and at 44.1kHz. Output will depend on your device hardware. Some device...
Dual channel function / waveform / signal generator for the speaker / headphone audio output.
Output is 16 bit for each left and right channels and at 44.1kHz. Output will depend on your device hardware. Some device hardware may may filter out the DC bias and low frequency signals. At high frequencies, the waveforms will be distorted due to limited number of samples for each waveform (for example at 4.41kHz, a sine waveform will be approximated by only 10 points). Therefore this is for fun/educational use, for critical applications use a real calibrated function generator.
Left and Right audio channels can be assigned to either channel 1 or channel 2.
Sine, Square & Triangular waveforms.
Frequency range from 1 mHz up to 22 kHz.
Amplitude as percentage 0-100%.
Set duty for square waveforms or skew triangular waveforms to get saw waveforms.
Offset the phase of waveforms.
Sweep frequency or amplitude (Single, Repeat & Bounce modes).
Amplitude Modulation (AM).
Frequency Modulation (FM).
Burst mode for a specific number of waveforms (1-10000).
White noise & pink noise Generator. Pink (1/f) noise falls of at ~3dB per octave between 43 Hz and 44 kHz.
Memory slots to save & recall channel configuration.
Select values with spring slider or number pad.
More detailed explanation available on website
Previous Versions
Here you can find the changelog of Function Generator since it was posted on our website on 2016-10-29 01:28:49.
The latest version is and it was updated on 2024-04-22 20:56:17. See below the changes in each version.
Function Generator version
Updated At: 2024-02-08
Changes: v1.42 Updated to use newer code libraries to better target and run reliably on devices in 2024.
Function Generator version
Updated At: 2024-02-08
Changes: Updated to use newer code libraries to target newer devices.
Function Generator version
Updated At: 2020-06-20
Changes: Minor fixes and updates to keep app up to date for newer devices.
Function Generator version 1.2
Updated At: 2016-03-31
Changes: Added settings (cogs button top left) - Frequency, Amplitude, Phase and Duty Resolution can now be changed. Settings also has a soft turn on/off option to avoid those annoying 'clicks' . Added a short user guide (i button top right). Plus a few more minor tweaks/fixes.
Disclaimer
Official Google Play Link
We do not host Function Generator on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Google and passed their terms and conditions to be listed there. We recommend caution when installing it.
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