▲ 17 r/DJs

I created a free, open-source, low-latency focused music visualiser and lighting controller for DJs (For Android devices)

I use Traktor for live mixes, and use both visualizers and room lighting to accompany my sets.

This application I've built is primarily a music visualiser, but can also control room lighting and sync to the music.

Unlike many android based visualisers, this one has a specific focus on low-latency and uses a low-level C++ audio engine for sub-10ms mic latency, which means it reacts instantly.

It supports Ableton Link over Wi-Fi so you can lock the visual effects directly to Traktor, Live, or Serato. The mic drives the textures, while Link synchronizes the beat grid. And it will also sync up Philips Hue, Lifx and Nanoleaf panels with minimal latency. I'm also working on a WLED (ESP32) and Govee lighting integration.

I've been using it with my setup, and the light syncing works much better for me than the official applications from Philips hue or Lifx.

It's not in production in the playstore yet, but if anyone is interested in trying it out, I'll include some links in the comments so folk can add themselves to the early access test .

Feel free to run it with your DJ software and let me know how it goes. Or - just have a look at the visualisers and let me know if you have any feedback.

Oh and this is completely free, ad-free, and open-source. I built it purely out of my own interest and desire to create an actually reactive audio visualiser and room lighting controller.

Cheers!

reddit.com
u/roryg2025 — 9 days ago

I built a zero-lag Android visualizer which syncs with Traktor, and also controls room lighting (local Philips Hue) for live sets (Free & Open Source)

I use Traktor for live mixes, and often use visualizers and room lighting to accompany my sets.

Many android visualizers lag, so I built an open-source visualizer using a low-level C++ audio engine for sub-10ms mic latency.

It supports Ableton Link over Wi-Fi so you can lock the visual effects directly to Traktor, Live, or Serato. The mic drives the textures, while Link synchronizes the beat grid. It also sends UDP commands directly to a local Philips Hue Bridge, syncing room lights instantly.

I've been using it with my setup, and the light syncing works better for me than the official Hue apps.

It is completely free, ad-free, and open-source. I need some testers who can try it out with their setup. If you can run it alongside your DJ software and test the Link sync - Great. But even if you can have a look at the visualisers, that would be great and just let me know if you have any feedback.

I'll stick the links to join in the comments.

Cheers!

reddit.com
u/roryg2025 — 14 days ago

I built an open-source android visualiser that drives Hue lights locally with low latency

I currently drive my Philips Hue lights to music when I'm playing music at home as part of a DJ/music performance setup.

I use the official Philips Hue Mac app to drive my lights as part of this setup, and share the audio from my music applications. However - the official Mac application just isn't great for this and it never really feels like the lights are connected to the music.

I'm from a software engineering background, and I've recently been developing a music visualiser application with a focus on low-latency. Whilst this wasn't originally intended to solve my Hue problem - I recently introduced a Philips Hue lighting integration into the app, and I have found the results to be immediately and noticeably better than the official app.

This app is specifically engineered to react quickly because it uses the low-level C++ microphone engine to capture sound under 10ms, and sends UDP commands directly to your local Hue Bridge. The result is that the bulbs react instantly to the music in the room.

(And - this is niche - but I have also integrated Ableton Link so the visuals and lights can be supplemented by the beat coming from popular music DAWs and performance software e.g. Traktor)

The app is completely free, open-source, and has no ads or tracking. I'm currently in closed beta and I'm just hoping for some folks with different Hue bridge setups to give it a go and let me know how it performs.

Different devices and microphone sensitivities can be a real challenge on Android, but the app does offer some advanced controls for tuning, and there's a lot more finesse and features to come. So I really think this can become the best way to sync music to Hue lights.

Source code: https://github.com/rorygallagher2024/velo-visualiser/ (open to contributions!)
Demo video: https://youtu.be/ql0CwtlYDyI

To test the app, you must follow these steps in order:

  1. Join the Google Group here: https://groups.google.com/g/velo-testers (Click the 'Join Group' button)
  2. Opt-in on the Web here: https://play.google.com/apps/testing/com.lowlatency.visualizer
  3. Download the app here: https://play.google.com/store/apps/details?id=com.lowlatency.visualizer

Once downloaded, all I'd ask is that you keep it installed for the next few weeks, and if you have any feedback to offer, please let me know!

Thanks!

u/roryg2025 — 14 days ago

Pixel 9 Pro Fold inner display stopped working

I have a Pixel 9 Pro fold, opened the screen today and noticed the touchscreen was being erratic. I immediately filed a warranty claim through the app.

THEN I noticed two lines just starting to appear from the centre of the screen and when I closed it and opened it again the lines literally grew until they reached the top and bottom and then the screen started going black from the centre.

This happened from just opening the display; there has been no impact to the phone or inner display.

So here's the thing I'm worried about: Are they going to claim that this is user damage?

I already have the preferred care warranty but I'm worried about what happens if they decline the warranty? Will they simply charge the £1749 hold for the new device, or do they then return it and I go through the preferred care warranty separately instead?

I'd like to avoid the hassle of it getting returned or getting charged £1749 (!), so if I was sure they are going to reject the warranty I'd probably just cancel the repair and go through the warranty provider instead. Obviously I'd prefer not to since its still a £100 excess, and given the display wasn't damaged by me, but I remember hearing bad things about Google support so I'm not hopeful.

I do understand that these inner display issues are common so curious on what the experience has been for others.

Thanks!

reddit.com
u/roryg2025 — 29 days ago