Humming Conch
A hum (Help:IPA/English, /hʌm/ ) Latin: murmur, The sound of giraffes humming () 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 Speech disfluency#Thoughtful absorption, thoughtful absorption, Speech disfluency#"Hmm", 'hmm'. A hum has a particular timbre (or sound quality), usually a Monophony, monotone or with slightly varying frequency, tones. There are other similar sounds not produced by human singing that are also called hums, as the sound produced by machinery in operation, such as a Microwave oven, microwave, or by an insect in flight. The hummingbird was named for the sound that bird makes in flight which sounds like a hum. Mechanics A 'hum' or 'humming' by humans is created by the resonance of air in various parts of passages in the head and throat, in the act of breathing. The 'hum' that a hummingbird creates is also cr ...
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