Backport of ESM for 1.7.10 & 1.12.2. ESM: Legacy is a clientside mod that allows you to muffle (almost) any sound selectively, allowing you to choose the volume of the sound between 0% and 100%.

Anchors are ranged mufflers, for when you want to muffle a sound on a small area
You can change the Anchor position whenever you want by pressing the marker button.
If you don't like the ESM muffler in the inventory, you can disable it in the config.
If you don't like the position of the button, you can hold CTRL + left mouse button over the muffler button and drag it wherever you want.
You can put the muffle and play buttons on the left right of the screen for easier visuals.
You can disable the anchors.
You can blacklist sounds to prevent them from appearing in the ESM screen.
You can choose the default muffle volume.
You can disable the Inventory button