关于修改音量提示悬浮窗（Volume Indication Overlay）UI界面的技术问询

Hey Luke, totally get where you’re coming from—those bulky volume overlays can be such a distraction when you’re mid-screen share during meetings! Let’s go through some practical ways to tweak this based on your operating system, since solutions vary a bit across platforms:

Windows #

Since you mentioned wanting something like Windows’ style, if you’re already on Windows, you can refine it even further:

• Third-party tools: Apps like EarTrumpet (a beloved open-source volume manager) replace the default overlay with a smaller, movable one that stays out of your way. It also lets you adjust volumes for individual apps, which is a nice bonus.
• Registry tweak (for advanced users): If you don’t want extra software, you can resize the default overlay via the registry. Open regedit, navigate to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer, create a new DWORD value named VolumeIconOverlaySize, and set it to 0 (smallest) or 1 (medium)—the default is 2. Just remember to back up your registry before making changes!

macOS #

On macOS, the centered volume overlay can be really intrusive during shares. Try these fixes:

• Terminal quick fix (or third-party apps): You can turn off the overlay entirely with defaults write com.apple.sound.beep.feedback -bool false, but if you still want a visual cue, apps like SoundSource or VolumeMenuExtra add a customizable menu bar icon that shows volume without the big pop-up.
• Accessibility adjustment: Head to System Settings > Accessibility > Display, and enable “Reduce motion”—this makes the overlay appear more subtly, though it won’t change its size or position.

Linux (GNOME-based distros like Ubuntu) #

For GNOME users, the shell’s default overlay is customizable too:

• GNOME Extensions: Install extensions like NoAnnoyance or Volume Mixer—these let you replace the default overlay with a smaller, corner-aligned version, or disable it entirely while keeping easy access to volume controls.
• Custom CSS (for power users): If you’re comfortable editing shell styles, open the gnome-shell.css file and look for the .osd-window class. Tweak properties like width, height, and margin to shrink the overlay and move it to a less intrusive corner.

Bonus tip for meeting apps #

Don’t forget to check your meeting app’s settings (Zoom, Teams, etc.)! Many have a toggle under “Screen Sharing” or “Advanced” that suppresses system overlays and notifications while you’re sharing—this might solve the problem without needing to tweak system settings at all.

备注：内容来源于stack exchange，提问作者Luke