Emulator of SSTV

This is an audio-only SSTV encoder/decoder emulator. It does NOT transmit RF — use only for learning and offline testing.

Encoder

Image to send (PNG/JPEG): Mode: Color mode: Playback sample rate: Encode duration (seconds): Volume:

Frequency scale min (Hz): Frequency scale max (Hz):

Live Decoder

Live decode while playing

Live display width: Live display height: Auto-detect tone length from audio buffer

Decoder

Upload SSTV audio (WAV/MP3): Decode duration (seconds): Resolution (width px): Detector: Scale canvases by devicePixelRatio (high-DPI)

Waveform / Spectrum