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Multi Media Audio
Multi Media Audio
60
Music
Undergraduate 1
10/02/2006

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Cards

Term
Tympanic Membrane?
Definition
Ear Drum
Term
What part of the ear captures sound and helps determine an object’s location?
Definition
Pinnai
Term
What are the three bones that act as a mechanical “lever” called?
Definition
malleus incus stapes
Term
What part of the ear explains why we are sensitive to mid-range frequencies?
Definition
ear canal
Term
How does aural reflex work?
Definition
When loud sounds come in muscles tighten-reducing the movement of the osssicles preventing damage to choclea.
Term
What is the purpose of aural reflex?prevents
Definition
prevents damage to chochlea
Term
What is the function of the cilia
Definition
sound recepting hairs
Term
9) Many people have an annoying condition known as tinnitus. Explain why these people constantly hear high pitched frequencies.
Definition
hairs constantly rub toghether
Term
10) Which listening mode explains our ability to understand conversation?
Definition
? Semantic
Term
11) Which listening mode allows us to understand the meaning or context of a sound?
Definition
Referential
Term
13) Which listening mode provides a fundamental overview of the sound?
Definition
Reduced
Term
What does the Equal Loudness Curve illustrate?
Definition
It shows sensitivity of our ears and what frequency they can pick up
Term
15) What frequency range are humans mos t sensitive to?
Definition
1 to 5 khz
Term
16) What effect is most effectively reproduces sounds heard in a large cave?
Definition
echos
Term
17) Which effect most effectively reproduces sounds heard in a small room?
Definition
Reverberation or reflections
Term
18) Which psychoacoustic principles describes why every instrument sounds unique?
Definition
timbre
Term
19) What does the psychoacoustic principle “temporal delay” refer to?
Definition
Because ur head blocks mid range freq wich cause delay throuhg right and left ears
Term
What is a “sound shadow ”
Definition
its when 2 instuments have the same intruments have the same pitch diff frequencys they canccel out .
Term
21) When listening to music, loud frequencies may “cover up” softer sounds.Which psychoacoustic principles does this best describe?
Definition
Frequency masking
Term
22) Which gestalt principle explains how we are able to distinguish the melody line from the drum beat in a song?
Definition
Figure and ground
Term
23) Our minds associate sounds with objects. What psychoacoustic principle describes this?
Definition
Proximity
Term
24) What is a “beat frequency”?
Definition
Wen u take 2 tones each different freq 80 80.005 put em together make a wave
Term
25) Drummers often experience a phenomenon in which their heart rates begin to match the tempo of the drum beat they are playing. Which psychoacoustic principle explains why this may occur
Definition
Bi neural beeats
Term
What is the “Cocktail Party Effect?
Definition
the ability to follow one sound source out of many
Term
27) Which category of musical instruments involves the striking, plucking or strumming of strings?
Definition
Chordophones
Term
How do idiophones make sound?
Definition
Though vibrations
Term
29) Which category of musical instruments involves beating, slapping, or hitting an a stretched animal skin or synthetic membrane?
Definition
Membrano phones
Term
30) How do electrophones produce sound?
Definition
Elecctricity
Term
31) What produces the sound in an aerophone?
Definition
Tunnel of Air
Term
membranophone
Definition
drums
Term
idiophones
Definition
vibration
Term
Aerophones
Definition
tunnel of air
Term
chordophones
Definition
guitars
Term
electrophones
Definition
electric
Term
notch
Definition
in the middle of freqs
Term
LPF
Definition
low passe filter
Term
HPF
Definition
High Pass filters
Term
Band Pass
Definition
center section
Term
50) The Theremin utilizes a concept called heterodyning in order to create sound.
Definition
heterodyning
Term
Heterodyning
Definition
Beat frequency created through the combintation of 2 ultrasonic frequencies
Term
51) What type of synthesizer allows the user to physically patch multiple components together in unlimited combinations in order to create unique sounds?
Definition
Mod moogs
Term
How many notes could a monophonic synthesizer play at one time?
Definition
one
Term
53) How does a synthesizer work?
Definition
Through a series of sequential circuts
Term
54) What is the “Harmonic Series”?
Definition
Over tones
mathematical relationship between fundamental and harmonics relationship is fixed fudamental frequency varies based on instrument
REACTOR
Timbre
combination of fundamental frequency and harmonics creates timbre of instument
color of sound
uniqueness of instrument.
Term
57) Which of the synthesizer components is the tone generator?
Definition
harmonic series oscillator
Term
58) What are the basic analog synthesizer waveforms?
Definition
sine wave square wave triangle sawtooth
Term
59) Which of the synthesizer components is used to remove harmonics from a sound
Definition
Filters
Term
61) What is the function of an Envelope Generator?
Definition
affects the sound of a long period of time.
Term
62) What is an LFO?
Definition
Low Freq oscillator
Term
72) What is a quantization error?
Definition
the actual amplitude values are not exact they are approximation w e call this
Term
73) According to the Nyquist theory, what is the highest frequency that a sample rate of 96 kHz can digitize accurately?
Definition
192
Term
74) According to the Nyquist theory, what sample rate is needed to accurately record a frequency of 96 kHz?
Definition
48
Term
76) What is the resolution of a Red Book audio CD?
Definition
44.1
Term
77) What is the bit depth of a DVD-Audio disc?
Definition
48-192
Term
Aliasing
Definition
When a violation results in sound distortion
Term
79) High end DAWs use additional DSP cards to handle heavy processor functions such as effects. Which DAW system does this describe?
Definition
Host Based
Term
80) Which DAW system utilizes a computer’s own processing power in order to process digital effects?
Definition
Hardware
Term
81) Many long discontinued synthesizers are being reborn as software emulations for desktop and laptop computers.
Definition
Virtual Instruments
Term
84) What is a 3rd party plug-in?
Definition
Third Party Plug Ins
Plug Ins Developed by outside programmers manufacturers
Term
85) What the basic plug-in formats used by DAWs?
Definition
HosT BAsed
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