Health Hygiene & Sanitation

Lesson 17 : Lighting And Noise

Definition

• Noise pollution (or environmental noise) is displeasing human or machine created sound that disrupts the activity or happiness of human or animal life
• The word "noise" comes from the Latin word nausea meaning "seasickness",
• Noise is defined as unwanted sound. Sound, which pleases the listeners, is music and that which causes pain and annoyance is noise.
• At times, what is music for some can be noise for others
• An acoustic noise is defined as any undesired sound