I think it'd be interesting (if annoying to the trap designer) if the sound detector was affected by weather. Thus it'd hear rain and emit a low level signal such as strength 1 or 2. Thunder would give it spikes of a stronger signal (still not 100% though) possibly up to 5-7 for nearby strikes.
A side benefit of this would be using the sound detector to detect weather.
Introducing the Sound Detector! 1.13 Update It's a good thing we got DogeMaster10 on Mojang's scheduling team... Not.
Please, for the sake of sounding serious, don't add an update number to your suggestion. It makes it sound more like a click-bait Youtube video title than anything else.
This can make your trap deadlier and nobody with ever mess with you again!
HOW IT WORKS Goodness sakes! Please don't use bright red text, it makes my eyes bleed.
Sound Detectors work like daylight sensors but will emit a redstone signal depending on how close a near sound is
I suppose this can work, you just have to create some kind of object that measures distance between it and all sound detectors within a certain radius that appears whenever a sound plays.
WHAT DOES ITDO
Sound Detectors will listen for sound 24/7 so when a mob comes, your mob-arrow trap with be in action!
WHAT SOUNDS DOES ITDETECT
Incase you didn't know, the closer the sound detector is to an entity, the more sensitive it is.
HOW FAR CAN IT HEAR?
It can hear about 15 blocks away
WHAT DOES IT LOOK LIKE
Since this was inspired by the Daylight Sensor, it looks and has a similar crafting recipe
HOW DO YOU CRAFT IT?
It's crafted with 3 glass blocks, 2 observers, 1 jukebox, and 3 wooden slabs. I've included an attachment showing how to make it at the bottom
Using a jukebox is expensive, how about a noteblock, or something else related to sound within the game?
WHAT SOUND DETECTOR FROM ~15 BLOCKS CAN HEAR:
-Blocks Placed Blocks Destroyed and Blocks Placed could get out of hand if someone is using an Efficiency V Diamond Pick with a Haste II Beacon in order to instamine. Maybe skip these?
-Button / Lever pressing
-Putting Armor on Person or Horse
-Bows being shot
-Potions being thrown
WHAT SOUND DETECTOR FROM ~5 BLOCKS CAN HEAR:
-Mob Walking / Moving
-Bouncing off of slime blocks
-Taking armor off armor stands
-Sponges being used
-Expirence gained Could get pretty hectic if someone nearby throws a lot of XP potions.
-Animals being harmed
-Snowballs being thrown
-All of the above including things it can hear from far away
Sound Detectors won't be able to hear crouching and throwing items other then right clicking with a splash potion
~~PLEASE READ BELOW~~
PLEASE HELP IMPROVE THIS IDEA
I KNOW THIS MIGHT NOT BE THAT BALANCED.
PLEASE HELP ME TO HELP FURTHER SUPPORT THIS ARTICAL
~THANKS FOR UNDERSTANDING~
I support the idea of a Sound Detector, but it shouldn't detect easily repeatable sounds, just in case you've hooked up the sound detector to some elaborate piston contraption that causes decent amounts of lag.
I get offtopic a lot, be warned. I also often mention a Minecraft clone called Minetest. The clone is nowhere near playable with it's default game in my opinion, but it's at least the start of a good open-source voxel rendering engine, and maybe one day it might be decently playable.