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SSTV Encoder

Image encoder for Slow-Scan Television (SSTV) audio signals
--- Supported modes:

  • Martin Modes: Martin 1, Martin 2

  • PD Modes: PD 50, PD 90, PD 120, PD 160, PD 180, PD 240, PD 290

  • Scottie Modes: Scottie 1, Scottie 2, Scottie DX

  • Robot Modes: Robot 36 Color, Robot 72 Color

  • Wraase Modes: Wraase SC2 180


The mode specifications are taken from the Dayton Paper of JL Barber:
http://www.barberdsp.com/downloads/Dayton%20Paper.pdf

--- Image:

Tap "Take Picture" or "Pick Picture" menu button or
use the Share option of any app like Gallery to load an image.

To keep the aspect ratio, black borders will be added if necessary.
Original image can be resend using another mode without reloading.

After image rotation or mode changing the image
will be scaled to that mode's native size.

After closing the app the loaded image will not be stored.

--- Text Overlay:

Single tap to add a text overlay.
Single tap on text overlay to edit it.
Long press to move text overlay.
Remove the text to remove a text overlay.

After closing the app all text overlays
will be stored and reloaded when restarting.

--- Menu:

  • "Pick Picture" - Opens an image viewer app to select a picture.

  • "Take Picture" - Starts a camera app to take a picture.

  • "Save Wave File" - Creates a wave file in the Music folder in SSTV Encoder album.

  • "Play" - Sends the image.

  • "Stop" - Stops the current sending and empties the queue.

  • "Rotate Image" - Rotates the image by 90 degrees.

  • "Modes" - Lists all supported modes.

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.

Download F-Droid
  • Version 2.5 (26) suggested Added on 2021-03-03

    This version requires Android 4.0.3 or newer.

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

    Permissions
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
      (10)
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
      (10)

    Download APK 1.4 MiB PGP Signature | Build Log