How the apps are built

Benchmarking our filmcraft fork in WebAssembly, from frame conversion to jank

WebAssembly SIMD makes filmcraft's 1080p frame conversion about 20% faster. Browser tests show mixed results at full speed and a steadier UI under load.

How ProTune picks a selfie look on the front camera

In the next ProTune update, Auto Optimize on the front camera reads the light on your face and picks one of five selfie looks. Here is how it decides.

How ProTune AI Camera turns a photo recipe into real camera settings

ProTune reads the scene, picks a photo recipe and writes shutter, ISO, EV, white balance and focus to the iPhone camera. Here is how that loop works.

On-device sheet music recognition: Core ML or ONNX Runtime?

Music Reader reads a photo of sheet music on the iPhone with ONNX Runtime and its Core ML provider. What we measured, what it costs, and what we chose.

How Music Reader recognizes sheet music with on-device AI

How Music Reader turns a photo of printed sheet music into MIDI on the iPhone: segmentation, staff geometry, a transformer decoder, and no server.

How FinalCap turns plain-English requests into FFmpeg edits

FinalCap maps a typed request to an FFmpeg edit that runs in your browser, and transcribes speech into subtitles with an on-device Whisper model.

Making FFmpeg in the browser use every core

A short video and notes on the ffmpeg.wasm fork we are building for FinalCap, covering WebAssembly threads, SharedArrayBuffer, SIMD and the bugs we fixed.

How AI Music Radar turns what you hear into sheet music on iPhone

AI Music Radar transcribes playing, singing or humming into an engraved score on the iPhone itself. A walk through the pipeline and recent accuracy work.

ProTune Photo School: Photography for camera builders

An 11-part animated explainer, about a minute and a half, of the photographic ideas behind every Auto Optimize decision: shutter vs. ISO, metering, highlights, white balance, skin tones and light.

On photo.grepawk.com