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Better Sound Mixer

Adds fine-grained volume controls for mobs, players, music, ambience, and individual sounds.

Client-sideFabricForgeNeoForge1.21.x26.1.x26.2.x
Documented version: 1.4.2Dependency: Simple GUI APIModrinth ↗

The table lists user-facing controls found in the documented build. Some controls appear only after a parent feature is enabled. Make one change at a time and use the screen’s save/apply action before testing.

Setting Meaning
Groups Controls hostile, friendly, neutral, other mobs, player, music, records, ambience, and more.
Master Base multiplier for all mixer adjustments.
Weather Controls rain, thunder, and weather sounds.
Blocks Groups sounds emitted by blocks.
UI Controls interface and notification sounds.
Voice Controls sounds assigned to the voice category.
Sound events Creates per-event volume overrides.
Per mob Overrides volume by entity type.
Reset category Restores the selected category to defaults.

Begin with defaults, then change the smallest number of settings needed for the goal. Performance-related distance, count, rendering, or concurrency limits should be raised gradually. Automation timing should be conservative on multiplayer servers. Visual colors should be tested against both bright and dark scenes.

If profiles are available, duplicate or create a new profile before a large experiment. Give it a descriptive name such as “Single player” or “Server low impact.” Finish the save/apply action and reopen the screen once to verify persistence.

When the cause of a problem is unclear, record the current values, reset only the relevant category, and test again. Avoid deleting the entire configuration first: a category-level reset preserves unrelated preferences and provides better diagnostic evidence.