WaveVision

WaveVision

Images to Sound & Back

0 ratings
$2.99

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Details

  • Released
  • Updated
  • April 6, 2026
  • September 15, 2026

Features

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About

WaveVision converts images into sound and sound back into images using Fast Fourier Transform. Every pixel's luminance maps to an audio frequency, producing a unique sonic signature for any image. Powered by Apple's Accelerate framework for real-time FFT processing — everything runs on-device with no network connection required. Customize the frequency range, matrix resolution, and playback parameters to shape how your images sound. Export the result as an M4A audio file or as a video combining the original image with the generated audio. A unique tool for artists, musicians, researchers, and anyone curious about the intersection of visual and auditory perception.
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What's New in WaveVision

2.1

September 15, 2026

The biggest update yet. Everything you saved carries straight over. It finally sounds like music • Snap every pixel to a musical scale, choose a root note, and pick a timbre: sine, triangle, square or saw. • Row Chords mode plays each row as one chord, so a 64×64 image takes seconds instead of minutes, and it still decodes. • Stereo panning, a lush reverb for playback, five scan directions, a scrubber and a loop. • Record with the microphone and turn any sound into an image. • Signal Fidelity: every conversion is decoded back and graded, S to F. New in 2.1 • Air Transfer. Every export now starts with a short pilot tone. Record another phone playing a WaveVision sound and the decoder lines itself up automatically, so images travel through the air. • Paint a Sound. Draw on a 32×32 canvas and hear it as a spectrogram: columns are pitch, rows are time. • Hear the Camera. Point the phone at anything and listen to it as a living chord. Keep any frame as an image to convert. • A real Library. Exports live in Documents (visible in the Files app), with thumbnails and fidelity grades. Play, share, share as .wvision, decode again, rename, or show the key as a QR code. • QR settings keys. Show your key as a code and scan one with the camera. The key is still required to decode. • Save your own presets beside the six built-in ones. • Personal bests: your best fidelity per preset, with a note when you beat it. • Cancel a conversion, with a progress bar, instead of waiting for a 128×128 synthesis to finish. • WAV export and image sharing are back where you can reach them. • iMessage sharing works: the Messages extension shows your exports and recipients see the details. • iPad: all orientations and a two-column layout. The splash screen can be tapped away and respects Reduce Motion. VoiceOver reads the pixel grid. Fixed • The pixel grid and exported videos showed white as 50% grey. • Error messages read as sentences instead of "error 0". • Video exports were labelled as audio in the history. • If WaveVision is doing its job, it may ask you once for a rating, never while you are in the middle of something. "Don't ask again" means it.

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