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Heroes of Might and Magic 3Stable Volume and Voice Boost
Stable volume evens out the quiet and loud parts of a YouTube video, and Voice boost lowers background sound so speech is clearer; both are switches in the player's settings. Super resolution upscales low-resolution videos. Creators can opt out in YouTube Studio.
Stable volume and Voice boost are two audio switches in the YouTube player's Settings menu: Stable volume narrows the gap between a video's quiet and loud moments, and Voice boost turns background sound down so that speech stands out (YouTube Help). They belong to a family of automatic "quality enhancements" that also includes Super resolution, which makes low-resolution uploads look closer to HD. Viewers switch each one on or off for themselves; creators can stop YouTube applying them to their future uploads. The rest of YouTube's player options, from Playback Speed to Captions and Subtitles, work alongside them.
Quick facts
| Stable volume | Evens out loud and quiet parts |
| Voice boost | Lowers background sound, emphasizes speech |
| Super resolution | Upscales low-resolution uploads with Google-built technology |
| Viewer control | Player settings (audio); quality menu (Super resolution) |
| Creator opt-out | YouTube Studio on a computer, Settings > Channel > Advanced settings |
| Creator opt-out reach | Future uploads only, not ads or videos already posted |
From Video & audio quality enhancements, read Nov 6, 2026.
Stable volume
Stable volume is for videos whose sound swings: a whispered line followed by an explosion, or a quiet talk with a loud intro. With it on, YouTube reduces those swings so the volume does not need riding (Help). It is a switch in the player's Settings menu on the devices that offer it. Music listeners and anyone who wants a film's full dynamic range may prefer it off, since it squeezes the difference between soft and loud on purpose.
Voice boost
Voice boost makes dialogue easier to follow by lowering background sound and emphasizing speech (Help). It helps with videos recorded in noisy places or mixed with loud music under the talking. Like Stable volume, it is an on or off switch among the player's settings, and Help notes that a viewer's own accessibility settings can take precedence in some cases. Help does not list which devices offer it, and the menu differs between apps, so a device without the switch simply does not have it yet.
Super resolution
Super resolution uses what Help calls "Google-built technology" to raise low-resolution uploads toward HD. Where it is applied, the video's quality menu offers the Super resolution version beside the original upload resolution, so a viewer who wants the untouched original can choose it (Help). Help names no resolution below which it starts, and it is not applied to every video.
How do creators opt out?
The enhancements are applied automatically, and YouTube says they are not applied to all videos. A creator who does not want them:
- Signs in to YouTube Studio on a computer.
- Clicks Settings, then Channel, then Advanced settings.
- Unchecks Let YouTube enhance visual quality (Super resolution and other image changes) or Let YouTube enhance audio quality (Stable volume, Voice boost and other sound changes), or both.
- Clicks Save.
The change covers future uploads only; videos already posted and ads are not affected. If a creator turns enhancements off, viewers may lose Stable volume or Super resolution on that channel's new videos (Help).
What creators say
In a video from when Stable volume was still rolling out, ClosetYeti stopped talking and let the quiet background music play with the setting on: it was slowly raised until it was, in ClosetYeti's words, "just distracting". The video suggests it may suit people watching on a TV or a phone speaker, says that for most others it "just sounds bad", and recommends turning it off. That is one creator's listening test.
In an open letter to YouTube in video form from the same period, Curtis Judd, who teaches audio and mixing on YouTube, accepted that Stable volume helps most viewers but argued that for channels teaching mixing or reviewing microphones it hides the nuances viewers came to hear and can make dialogue sound overcompressed. He asked YouTube to keep its loudness ceiling of minus 14 LUFS but let each creator limit how far Stable volume may boost their videos, suggesting a floor around minus 23 or 24 LUFS, the target many broadcasters use.
Frequently asked questions
What does Stable volume do on YouTube? Stable volume reduces the difference between quiet and loud parts of a YouTube video so you do not have to keep changing the volume.
How do I turn off Stable volume on YouTube? Open the YouTube player's Settings menu and switch Stable volume off; it can be turned back on the same way.
What is Voice boost on YouTube? Voice boost lowers background sound and emphasizes speech in a YouTube video so dialogue is easier to hear.
What is Super resolution on YouTube? Super resolution is YouTube's upscaling of low-resolution uploads toward HD; viewers can pick the original resolution instead in the quality menu.
Can creators stop YouTube changing their video's quality? Yes. In YouTube Studio on a computer, under Settings > Channel > Advanced settings, creators uncheck Let YouTube enhance visual quality or Let YouTube enhance audio quality for future uploads.
Sources
- Video & audio quality enhancements, YouTube Help, read Nov 6, 2026
- YouTube's Stable Volume Feature: A PSA, ClosetYeti, Jun 6, 2024 (video)
- Open letter to YouTube on Stable Volume, Curtis Judd, Oct 13, 2024 (video)
Moments
YouTube's Stable Volume Feature: A PSA
ClosetYeti
Open letter to YouTube on Stable Volume
Curtis Judd
Related
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ClipsA YouTube clip is a 5 to 60 second piece of someone's video or live stream, with its own link, that plays on a loop. Make one with Clip under the video; creators turn Clips off in YouTube Studio under Settings, Channel, Advanced settings.
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DownloadsYouTube Premium members download videos with the Download button under the video, on phones and in Chrome, Edge, Firefox or Opera on a computer, and watch them offline for up to 29 days before reconnecting. In some countries free downloads last 48 hours.
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Jump AheadIn the YouTube app, double tap the right or left side of a video to skip 10 seconds forward or back. With YouTube Premium, a Jump ahead button then appears that skips to the next point most viewers fast forward to.
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Most ReplayedMost Replayed is the gray graph YouTube draws above the progress bar while you seek; its peaks are the parts of a video viewers rewatch most. It does not show on new or low-view videos or on channels with active strikes.
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Picture in Picture and MiniplayerYouTube picture in picture keeps a video playing in a small window when you leave the app on Android or iPhone; it is free for most videos, but music videos need YouTube Premium. On a computer, the Miniplayer (press i) keeps the video in a corner while you browse YouTube.
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QueueYouTube's queue lines up videos to play next without stopping the current one. On a computer, choose More, Add to queue, free; on phones and tablets, More, Play next in queue or Play last in queue needs YouTube Premium. The queue disappears when the browser closes unless saved to a playlist.
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Recommendations and Watch HistoryYouTube recommends videos from your watch and search history, likes and feedback. Use More, Not interested or Don't recommend channel to steer it, and pause or delete watch history at myactivity.google.com; with history off and empty, YouTube removes Home recommendations.
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Restricted ModeYouTube Restricted Mode hides potentially mature videos and all comments. Turn it off from your profile photo, Restricted Mode, then the Activate Restricted Mode switch; if it is locked, a network administrator, school, Family Link or your mobile provider has turned it on.
See also
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Playback SpeedChange YouTube's speed in the player's Settings gear under Playback speed, from 0.25x to 2x for everyone (up to 4x with YouTube Premium), press and hold the video for 2x, or use Shift + > and Shift + < on a keyboard.
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Captions and SubtitlesTurn YouTube captions on with the CC button or the C key, translate them with Settings, Subtitles/CC, Auto-translate, and restyle them under Options. Creators add captions in YouTube Studio's Subtitles page; automatic captions cover 67 languages.
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Ambient ModeAmbient mode is the soft glow of a video's colors that YouTube casts around the player in dark theme. Turn it off from the player's Settings gear, Ambient mode, on a computer, or Settings, Additional settings, Ambient mode on a phone.
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Automatic DubbingYouTube automatic dubbing uses AI to add translated audio tracks to eligible creators' videos, labeled "auto-dubbed". Viewers switch back to the original audio in the player's settings; creators turn it off in the YouTube Studio app under Settings, Automatic dubbing.
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ChaptersYouTube chapters split a video into titled sections on the progress bar. Creators add them by typing timestamps in the description, starting at 0:00, with at least three chapters of at least 10 seconds each, or let YouTube make automatic chapters.