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PadSpectrum

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Overview

Turn your Novation Launchpad S into a spectral audio visualizer and YouTube media controller.

EN : PadSpectrum turns your Novation Launchpad S into a live spectral audio visualizer and a YouTube media controller — all from a single Python script and this Chrome extension. VISUALIZER The 8x8 LED grid reacts to your system audio in real time, with 4 display modes: - Mode 0 — gradient bars (green to red by position) - Mode 1 — monochrome bars (color by height) - Mode 2 — floating peak dot - Mode 3 — radial display (bass on the outside, treble at the center) Switch modes with the Arm button. YOUTUBE CONTROLS - Next / Previous track - Toggle repeat and shuffle - Open YouTube (launches Chrome if closed) - System volume up / down / mute HOW IT WORKS This extension connects to a local Python script via WebSocket (localhost:8765). The script handles audio analysis and MIDI input from the Launchpad S. No data leaves your machine. REQUIREMENTS - Novation Launchpad S connected via USB - Python script running locally (available on GitHub) - Windows Stereo Mix enabled for audio loopback FR : PadSpectrum transforme votre Novation Launchpad S en visualiseur spectral audio en temps réel et en télécommande YouTube — via un script Python local et cette extension Chrome. VISUALISEUR La grille LED 8x8 réagit à l'audio système en temps réel, avec 4 modes d'affichage : - Mode 0 — barres dégradées (vert à rouge par position) - Mode 1 — barres monochromes (couleur selon la hauteur) - Mode 2 — point flottant au sommet - Mode 3 — affichage radial (graves en périphérie, aigus au centre) Changez de mode avec le bouton Arm. CONTRÔLES YOUTUBE - Piste suivante / précédente - Activer/désactiver la répétition et le mode aléatoire - Ouvrir YouTube (lance Chrome si fermé) - Volume système + / - / muet FONCTIONNEMENT L'extension se connecte à un script Python local via WebSocket (localhost:8765). Le script gère l'analyse audio et les entrées MIDI du Launchpad S. Aucune donnée ne quitte votre machine. PRÉREQUIS - Novation Launchpad S connecté en USB - Script Python lancé localement (disponible sur GitHub) - Mixage Stéréo Windows activé pour le loopback audio

Details

  • Version
    0.0.1
  • Updated
    March 11, 2026
  • Offered by
    droustit
  • Size
    6.3KiB
  • Languages
    English
  • Developer
    Email
    droustit@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

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