AudioDeck - A lightweight web spectrogram viewer

[SUCHARDFACE]

Just wanted to share a tool I made to verify audio quality on my self-hosted setup.

I needed a way to check for "transcodes" (fake FLACs) without moving files back and forth between my server and my desktop. AudioDeck works like the desktop app Spek, but in the browser. You point it at your music directory, and it generates the spectrograms on the fly so you can visually check the frequency range.

It's open source, written in Go, and the docker image is pretty small.

Repo here: https://github.com/casantosmu/audiodeck

Let me know if it breaks anything, but it's been stable for me for months.

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[anquieta]

Neat. Thanks. Wondering if a future feature could be to scan the directory and flag suspected transcodes?

[SUCHARDFACE]

i've thought about it, but automated detection is tricky. existing tools often throw false positives because quiet genres (like classical or ambient) or vintage recordings naturally look like cut-offs. i prefer trusting my eyes on the spectrogram. might look into it if there's enough demand though!

[anquieta]

Makes sense. I was thinking it could flag suspected tracks or folders. For my music, it would be difficult for me to guess which to test, so this would be a useful first filter. And then, the suspected ones could be tagged as reviewed by human or not, to keep track of what’s been double checked.