CH3L1: The Aural Realm

• Sound - A wave and a mechanical disturbance in matter that originates from a source and is sent outwards.
• Audible Frequency Range - 20-20,000 Hz
• Threshold of Pain - A sound level of 120 dB and above which can cause pain and damage to the ears
• Audible Decibel Range: (Volume) 0 – 180 Decibel (dB)
• Silence- is the condition or quality of being quiet; is basically the absence of audible sound or noise
• Noise - is any sound that lacks reference to musical quality and is generally considered unpleasant or unbearable to the human ear.
• Music - is the art of organizing and putting together an array of sounds into a meaningful, perceptual experience.