This resource pack was created for the map The Arcade, a map which allows classic arcade games to be replayed in first-person Minecraft.The resource pack adds the proper sound effects for when a player jumps, dies, or performs other miscellaneous tasks depending on the game.
The map functions completely fine without the resource pack, which adds nothing but sound effects and changes nothing. It's completely optional, but will definately improve your experience.
The Arcade can be found here: