Chord Detection like Chord AI app

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:headphone: Feature Request: Chord Detection Like Chord AI – DJAY Pro Could Be the First!

Hi Algoriddim team,

First of all, congratulations — your key detection algorithm in DJAY Pro is already one of the most accurate and reliable on the market. It’s a major strength of your app, especially for DJs who care about harmonic mixing and creative transitions.

As a DJ, pianist, and live performer, I use DJAY Pro on iPad and Mac with great pleasure. Today, I’d love to suggest a powerful new feature that would push DJAY even further ahead:

:musical_score: Add Chord Recognition (like Chord AI)

Following the logic of your excellent key detection, it would be incredible to see chord progressions automatically detected from audio tracks — just like the app Chord AI does on iOS, with surprisingly accurate and musical results.

What could this bring to DJAY?

  • Chords displayed under the waveform, like phrase markers (discreet, musical, optional).
  • Chords written into the tags, for easy browsing, harmony sorting, or preparation.
  • Optional chord overlay in the video output, for karaoke, music training, or live musician use.
  • Useful for:
    • Matching samples or mashups by harmonic progression (not just by key),
    • Live performance with a musician (guitar, piano, vocalists),
    • Music production, remixing, or loop-based creative work,
    • Learning harmonic structures directly from songs while DJing.

:sparkles: Why DJAY Pro is the perfect candidate for this?

  • You already have a deep audio analysis engine and AI-based stems ,
  • You’re strong on iOS integration (where Chord AI also lives),
  • You lead the way with musical features beyond traditional DJ apps .

Adding chord detection would make DJAY a next-level platform for hybrid DJ-musician workflows, educational DJing, and smart sampling. You’d be the first mainstream DJ software to do it!

Thanks again for your innovation — I’d love to see this musical feature on your roadmap.

:brain::musical_keyboard:

— Olivier W. (DJ, pianist, iPad/Mac user – harmonic mixing & live performance enthusiast)

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Thanks for the suggestion @Olivier_W_Frappier. Interesting idea. I will pass this onto the devs for consideration. In the meantime, please don’t forget to use the Vote button. Thanks!

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i have explored this area being referenced & implementing a method of using a psuedo chord detection VST.
the way in which i carry it out..
route the playing djtrack out via blackhole virtual audio channels
inside the receiving(DAW or host) place the VST called mixedinstudio SE vst… which provides the relative keys that are detected in percentages… this is done realtime and requires a internet connection
so typically it would route like this
algoriddim external out–> blackhole channels -->DAW/HOST input(blackhole) -->Mixedinkey SE VST → audio output

i suppose one could wait around for the FR to be implemented if they want… but the method and means to do it… is already out there… just requires the mixedinkeystudioSE VST which = $$
thus we make choices… whether to wait

heres a video of the VST

2 Likes
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Thanks for sharing @7nz