https://grepawk.com/blog Notes from building FinalCap, ProTune AI Camera, AI Music Radar and Music Reader. en-us Tue, 13 Oct 2026 16:00:00 GMT https://grepawk.com/blog/protune-1-4-prohttps://grepawk.com/blog/protune-1-4-proTue, 13 Oct 2026 16:00:00 GMTProTune AI Camera 1.4 is on the App Store. It adds ProTune Pro with unlimited Auto Optimize and Coach, a 7-day free trial and a steadier paywall.ProTune AI Camera https://grepawk.com/blog/filmcraft-wasm-simd-yuv-benchmarkhttps://grepawk.com/blog/filmcraft-wasm-simd-yuv-benchmarkTue, 13 Oct 2026 16:00:00 GMTWebAssembly SIMD makes filmcraft's 1080p frame conversion about 20% faster. Browser tests show mixed results at full speed and a steadier UI under load.FinalCap https://grepawk.com/blog/protune-selfie-auto-optimizehttps://grepawk.com/blog/protune-selfie-auto-optimizeMon, 12 Oct 2026 16:00:00 GMTIn 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.ProTune AI Camera https://grepawk.com/blog/protune-recipes-to-camera-settingshttps://grepawk.com/blog/protune-recipes-to-camera-settingsMon, 12 Oct 2026 16:00:00 GMTProTune 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.ProTune AI Camera https://grepawk.com/blog/music-reader-coreml-vs-onnxhttps://grepawk.com/blog/music-reader-coreml-vs-onnxMon, 12 Oct 2026 16:00:00 GMTMusic 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.AI Camera - Music Reader https://grepawk.com/blog/how-music-reader-recognizes-sheet-musichttps://grepawk.com/blog/how-music-reader-recognizes-sheet-musicMon, 12 Oct 2026 16:00:00 GMTHow Music Reader turns a photo of printed sheet music into MIDI on the iPhone: segmentation, staff geometry, a transformer decoder, and no server.AI Camera - Music Reader https://grepawk.com/blog/finalcap-plain-english-ffmpeg-editshttps://grepawk.com/blog/finalcap-plain-english-ffmpeg-editsMon, 12 Oct 2026 16:00:00 GMTFinalCap maps a typed request to an FFmpeg edit that runs in your browser, and transcribes speech into subtitles with an on-device Whisper model.FinalCap https://grepawk.com/blog/finalcap-ffmpeg-wasm-threadshttps://grepawk.com/blog/finalcap-ffmpeg-wasm-threadsMon, 12 Oct 2026 16:00:00 GMTA short video and notes on the ffmpeg.wasm fork we are building for FinalCap, covering WebAssembly threads, SharedArrayBuffer, SIMD and the bugs we fixed.FinalCap https://grepawk.com/blog/ai-music-radar-audio-to-sheet-musichttps://grepawk.com/blog/ai-music-radar-audio-to-sheet-musicMon, 12 Oct 2026 16:00:00 GMTAI Music Radar transcribes playing, singing or humming into an engraved score on the iPhone itself. A walk through the pipeline and recent accuracy work.AI Music Radar