Using the Sound Pressure Level (SPL) Method of Approximating Distance

question 136

Multiple Choice

Using the sound pressure level (SPL) method of approximating distance and power, calculate the power required to produce 89 dB at 4 m (13.1 ft) with a loud speaker that is rated at a SPL of 95 dB. What input power level (in watts) is required to appropriately power the speaker?

• A) 1 watt
• B) 2 watts
• C) 4 watts
• D) 8 watts

---

Definitions:

Social Decentering

Cognitive process in which we take into account another person’s thoughts, feelings, values, background, and perspective.

Information Overload

is a condition where an individual is exposed to more information than they can process, leading to overwhelm or decision-making difficulties.

Social Decentering

The ability to step outside oneself and view the world from the perspective of others, understanding their thoughts and feelings.

Emotional Intelligence

The ability to recognize, understand, manage, and reason with emotions in oneself and others.