Morse Code Audio Decoder

Upload audio files containing Morse code signals and decode them to text

Audio File Upload

Click to upload or drag & drop

Support MP3, WAV, M4A and other audio formats (Max 50MB)

Professional Audio-Based Morse Code Decipher Technology

Our advanced Morse code decipher system utilizes sophisticated audio signal processing algorithms to automatically detect, analyze, and decode Morse code patterns from recorded audio files. This cutting-edge technology transforms audio signals into readable text, making it an invaluable tool for amateur radio operators, emergency communications specialists, and digital signal processing enthusiasts.

Advanced Audio Processing:

  • • Real-time frequency analysis and tone detection
  • • Adaptive noise filtering and signal enhancement
  • • Automatic timing calibration for variable speeds
  • • Multi-format audio file support (MP3, WAV, M4A)
  • • Dynamic threshold adjustment for optimal accuracy

Professional Use Cases:

  • • Emergency communication analysis and documentation
  • • Amateur radio contest recording transcription
  • • Historical audio archive digitization
  • • Training material preparation and assessment
  • • Maritime and aviation communication research

Whether you're deciphering vintage radio recordings, analyzing emergency transmissions, or processing training materials, our audio-based Morse code decipher provides the accuracy and reliability needed for professional applications.

How to Use the Audio Decoder

1.Upload an audio file containing Morse code signals (MP3, WAV, M4A formats supported)
2.Adjust analysis settings if needed (dot/dash thresholds, noise floor)
3.Use the audio player to preview your file and locate Morse code sections
4.Click "Analyze Morse Code" to extract and decode the signals

Tips for Best Results:

  • • Use clear audio recordings with minimal background noise
  • • Ensure consistent tone frequency (typically 400-1200 Hz works best)
  • • Maintain proper timing ratios: dash = 3x dot duration
  • • Allow adequate spacing between characters and words
  • • For better accuracy, use audio with bit rates of 128kbps or higher
  • • If no spaces are detected, enable "Auto-add spaces" or adjust separation multipliers
  • • Character separation multiplier: controls spacing between letters (1.0-5.0)
  • • Word separation multiplier: controls spacing between words (2.0-10.0)