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Chroma Doze

Noise generator
Generates noise with a custom colour profile. It is intended to be used as a
sleep sound generator. It provides rapid feedback to adjustments in the
spectrum, and is designed to minimize CPU usage in the steady state.

It works by running shaped white noise through an Inverse Discrete Cosine
Transform, generating a few megabytes of distinct audio blocks. The steady-state
behavior selects blocks at random, and smoothly crossfades between them

Versions

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 4.3 (29) suggested Added on Apr 01, 2024

    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
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "mediaPlayback"
      Allows the app to make use of foreground services with the type "mediaPlayback"
    • show notifications
      Allows the app to show notifications
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • net.pmarks.chromadoze.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 1.1 MiB PGP Signature | Build Log

  • Version 4.2 (28) - Added on Feb 09, 2023

    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
    • run foreground service
      Allows the app to make use of foreground services.
    • show notifications
      Allows the app to show notifications
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.

    Download APK 1.2 MiB PGP Signature | Build Log

  • Version 3.7.1 (25) - Added on Jun 20, 2018

    This version requires Android 2.2 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 0.8 MiB PGP Signature | Build Log