written or spoken messages are more likely to noise as they both produce sounds which can limit effective communication ,it is considered as background noise
noise
noise
Sounds like a loose timing chain.
Supposedly the duck noise sounds like quack.
Noise blocking headphones insulate your ear from outside sounds to reduce the amount of outside noise allowing you to better hear and focus on the sounds from the headphones.
Ambiance, or Ambient Sounds White Noise
Its almost sounds like a dolphin noise.
noise
Sounds
Noise
Yes, "shush" is considered an onomatopoeia because it sounds like the action it represents - the noise people make when they want others to be quiet.