Homework 1 Flashcards
Define transducer
Any device that transforms one type of energy into another type of energy
Explain what sound energy is comprised of
Energy that travels through air, created by a vibrating source called a transducer
Define Fundamental Frequency
The frequency that defines the pitch
What is another term for Cycles Per Second (cps)?
Hz (Herts)
What is the fundamental frequency of middle C on the piano?
262 Hz
What is the fundamental frequency of one octave above middle C? Explain how this is derived.
524 Hz (262•2=524) Every time you go up an octave, the Hz doubles
Explain Harmonic tones, overtones, undertones
Aspects of the sound wave that determine the individual character of a sound
What is the basic difference in wavelength between very low frequencies and very high frequencies?
Low frequencies have wavelengths that are far apart
High frequencies have wavelengths that are close together
Explain what the amplitude of a sound wave means.
Expresses the amount of energy in a specific sound wave
What are two ways to quantify the Decibel? (db_?_) Also, explain what the use is for each type of decibel.
Sound pressure level (in the air)
Volts (in the chords/wires
What is the approximate frequency response of the human ear?
20 Hz to 20,000 Hz
What frequencies are humans most sensitive to?
1-4 kHz
What are the 3 types of hearing loss that we can become subject to?
Presbycusts, tinnitus, conductive hearing loss
What is the importance of growing a multi-generational church?
It benefits the younger generation to glean from the maturity and life experience of the seasoned saints, and it is vital for friendships to be made between the generations