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POST 124 (sound design) MIDTERM STUDY GUIDE SET QUESTIONS WITH ANSWERS.
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POST 124 (sound design) MIDTERM STUDY GUIDE SET QUESTIONS WITH ANSWERS.
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POST 124 (sound design) MIDTERMSTUDY GUIDE SET QUESTIONS WITH
ANSWERS.
mono ANS - one channel
stereo ANS - two channels
trimmer tool ANS - end or beginning of clip; non-destructive
scissor tool ANS - place play back anytime you want to w/in timeline
grabber tool ANS - click and drag clips throughout timeline
scrubber tool ANS - playback head to find beginning and end
what are the three main tools? ANS - trim, selector, and grabber tool
bracket smart tool ANS - combines 3 main and changes based on where you hover on the clip; bottom
of clip is the grabber, top of the clip is the selector, beginning or end is the trim
MOS ANS - without sound
mouth flap ANS - rewrote stuff to make it look like what character was saying when films recorded
MOS and actors speaking their native language
speed of sound ANS - 344 meters/sec in air at 20 degrees celsius
, what does the speed of sound depend on? ANS - type of medium; travels better through liquids and
solids, can't travel through vacuum, temperature of medium (travels faster at higher temps)
human hearing ANS - sound wave enters ear canal, vibrates ear drum, amplified by bones, converted to
nerve impulses in the cochlea
frequency ANS - determines the pitch or highness or lowness of a sound; measured in hertz (HZ)
sound wave ANS - also referred to as cycles per second
the range for human hearing ANS - 20 Hz to 20,000 Hz
wavelength ANS - measure of the distance that sound will take to complete a single cycle (waveform on
wavelength)
what is a wavelength measured in? ANS - distance units (inches or feet)
amplitude ANS - of a wave is closely related to how loud it sounds; we perceive amplitude as loudness
decibels ANS - (dB) used to describe or measure gains and losses in signal power w/in an audio system
decibels expresses a ratio between ... ANS - two given amplitudes
audio resolution ANS - digital audio greatly affected by two factors; sample rate, bit depth
sample rate ANS - # of times your audio is measured (sampled) per second
Nyquist Theorem ANS - states that in order to avoid unwanted digital artifacts when recording audio,
you must use a sample rate that is double that of the highest frequency recorded (at least 40 KHz;
generally start with 44.1 KHz)
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