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Signal Generator

Audio Signal Generator
New in version 1.25
* Change exact icon
* Update about dialog
Audio signal generator with twirly knob.

The frequency knob responds to finger twirling. The fine frequency and level sliders allow for fine adjustments of frequency and output level. The frequency knob is also adjustable using the left and right arrow buttons. The two bookmark buttons below the frequency knob show if there are bookmarks, and will go to the next lower or higher bookmark if it exists.

* Frequency range 0.1Hz - 25KHz
* Level range 0dB - -80dB
* Set exact frequency
* Frequency bookmarks

Packages

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

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  • Version 1.25 (125) suggested Added on 2021-10-01

    This version requires Android 4.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.

    Download APK 93 KiB PGP Signature | Build Log

  • Version 1.24 (124) - Added on 2021-07-07

    This version requires Android 4.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.

    Download APK 92 KiB PGP Signature | Build Log

  • Version 1.23 (123) - Added on 2021-06-07

    This version requires Android 4.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.

    Download APK 88 KiB PGP Signature | Build Log