Building Trace - see what Apple Music is actually playing on macOS.
Lossless / Hi-Res / Atmos / output sample rate / Playing Next.trace.audex.devJoined July 2025
This ChatGPT UX is genuinely confusing.
The picker only shows “Pro”, but the actual Pro Standard / Extended setting is buried in Settings → General → Intelligence.
This is a core reasoning-control option, not a random preference. Please expose it in the picker.
Audex Trace 1.2.2 is out.
Small polish update focused on the resident player:
New Plain / Translucent / Artwork background modes
Separate appearance settings for Player Window and Menu Bar
Improved dynamic artwork backgrounds and text contrast
Cleaner Preferences organization
Better Compatibility Check guidance
Tiny update, but it makes Trace feel much nicer to keep on screen.
Audex Trace is live on Product Hunt today 🚀
A tiny macOS app that shows what Apple Music is actually playing - Lossless / Hi-Res / Atmos, output sample rate, Playing Next, and skip warnings.
producthunt.com/products/audex…
Thanks, that’s actually a really good framing.
I agree that concrete failure examples make the value much easier to understand. Output mismatch, Atmos/AAC route differences, and queue skip warnings are probably the clearest demos.
Skip warnings are definitely one of the most “oh, wait, that’s useful” features, but I think the core promise is still: show what Apple Music is actually playing and what your Mac is actually outputting.
First sale for Audex Trace 🎉
It’s just one payment, but it means a lot.
Yesterday it was just a project I was building.
Today it’s a product with a customer.
Thank you to the first person who bought it.
I’ll keep making it better.
New demo for Audex Trace.
The main idea is simple: show what Apple Music is actually playing, what your Mac is outputting, and weird queue behavior before it surprises you.
Product Hunt launch is coming up next.
trace.audex.dev
@danielhanchen@UnslothAI nice. only getting ~30 t/s on an m5 max with plain mlx lol. is the amd gap mostly the dynamic quants or the backend? wondering if q4_k_xl beats mlx 4bit on apple silicon
I accidentally started building a C++20 lossless audio codec because I wanted to understand how close a solo implementation could get to FLAC/ALAC.
Now it has LPC, Rice coding, roundtrip tests, malformed input hardening, and my M5 Max is quietly grinding through codec tests.
This is how side projects happen.
github.com/audexdev/Lossl…
Trace caught two Apple Music queue items that were about to skip.
Then they skipped, and playback jumped straight to the third track.
Queue-level diagnostics are starting to feel real.
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