Sounds by type

excessive, displeasing human, animal, or machine-created environmental noise

sound with a typical pitch; steady periodic sound; characterized by its duration, pitch, intensity (or loudness), and timbre (or quality)

sound often produced by someone who is near death when fluids such as saliva and bronchial secretions accumulate in the throat and upper chest

rumbling, growling or gurgling noise produced by movement of the contents of the gastro-intestinal tract

electric or electromagnetic acoustic phenomenon

act of making a noise like flatulence using the mouth, either to signify derision, or as a playful gesture

A hum (/hʌm/ ) is a sound made by producing a wordless tone with the mouth closed, forcing the sound to emerge from the nose. To hum is to produce such a sound, often with a melody. It is also associated with thoughtful absorption, 'hmm'.

particular sound perceived as very unpleasant by humans

artificial overtone on certain musical instruments

collective sound energy emanating from motor vehicles. It consists chiefly of road surface, tire, engine/transmission, aerodynamic, and braking elements