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Disable DRC Audio on YouTube

The script disables DRC audio (Stable Volume) on YouTube (which also works with loudness normalization disabled scripts).

  1. // ==UserScript==
  2. // @name         Disable DRC Audio on YouTube
  3. // @author       LegendCraft (forked from Adri and The0x539)
  4. // @namespace    Tampermonkey Scripts
  5. // @match        https://www.youtube.com/*
  6. // @grant        none
  7. // @version      2024.03.19
  8. // @description  The script disables DRC audio (Stable Volume) on YouTube (which also works with loudness normalization disabled scripts).
  9. // @license      MIT
  10. // @run-at       document-idle
  11. // ==/UserScript==
  12. /* jshint esversion: 11 */
  13.  
  14. function waitForElement(selector) {
  15. 	return new Promise((resolve, reject) => {
  16. 		let element = document.querySelector(selector);
  17. 		if (element) {
  18. 			resolve(element);
  19. 			return;
  20. 		}
  21.  
  22. 		const observer = new MutationObserver(mutations => {
  23. 			const element = document.querySelector(selector);
  24. 			if (element) {
  25. 				observer.disconnect();
  26. 				resolve(element);
  27. 			}
  28. 		});
  29. 		observer.observe(document.body, {
  30. 			childList: true,
  31. 			subtree: true
  32. 		});
  33. 	});
  34. }
  35.  
  36. async function disableDRC() {
  37. 	const menuButton = await waitForElement('.ytp-settings-button');
  38.  
  39. 	menuButton.click();
  40. 	menuButton.click();
  41.  
  42. 	const drcMenuItem = await waitForElement('.ytp-drc-menu-item:not([aria-disabled])');
  43.  
  44. 	if (drcMenuItem.getAttribute('aria-checked') === 'true') {
  45. 		drcMenuItem.click();
  46. 		console.log('Disabled DRC Audio');
  47. 	} else {
  48. 		console.log('DRC Audio is already disabled');
  49. 	}
  50. }
  51.  
  52. disableDRC().catch(error => console.error('Error:', error));
  53.  
  54. (function() {
  55. let css = `
  56. /* Remove the 'Stable volume' option from the menu */
  57. .ytp-panel .ytp-menuitem.ytp-drc-menu-item {
  58. display: none !important
  59. }`;
  60. if (typeof GM_addStyle !== "undefined") {
  61.   GM_addStyle(css);
  62. } else {
  63.   let styleNode = document.createElement("style");
  64.   styleNode.appendChild(document.createTextNode(css));
  65.   (document.querySelector("head") || document.documentElement).appendChild(styleNode);
  66. }
  67. })();