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Audio Post
Psychoacoustics
17
Other
Not Applicable
04/26/2008

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Cards

Term
List 3 reasons to explain the importance of understanding psychoacoustics?
Definition
1) To design better sound effects 2) Audience feel more enveloped 3) 3 deminsion mixes
Term
What is physcoacoustics?
Definition
The scientific study of human perception of sound
Term
What are the three main cues with regards to the basics of psychoacoustics?
Definition
-pitch -loudness -time
Term
What is an attribute of auditory sensation by which sounds can be ordered on a musical scale?
Definition
Pitch
Term
How many octaves does the human hearing range cover?
Definition
10 octaves
Term
Which octave range is known to contain, the fundamental, lower harmonics, and overtone of most sound sources?
Definition
Octaves 5-7
Term
Which octave range is said to give sounds a "tinny" sound?
Definition
Octave 7
Term
Properly emphasized, the lower parts of which octave should be used to improve speech intelligibility?
Definition
Octave 8
Term
What's the difference betwwen intensity and loudness?
Definition
Intensity is a fact
Loudness is perceptual
Term
what are the four static cues for human localization?
Definition
Interaural time difference
Intersural intensity difference
Pinna response
Shoulder echo
Term
Which static cue is most effecitve when frequency content is between 270Hz and 500Hz?
Definition
Interaural Time Difference
Term
Which static cue is responsible for determining both azimuth and zenith, as well as whether a sound is originating in front of or behind the listener?
Definition
Pinna response
Term
What are the four dynamic cues for human localization?
Definition
Head movement
Early echo response
Reverb
Visual to confirm
Term
What are the three principle cues for determining or simulating distance?
Definition
Amount of high frequnce content
Intensity of sound source
Ratio to direct reverb
Term
What term describes the crowding of wavefronts aroung a moving sound source?
Definition
Doppler
Term
In terms of post production, what is the importance of understanding the cocktail party effect?
Definition
You need to have multiple speaking sources
Term
If I place a fade-in on the left channel of a stereo file, and a fade out on the right channel, what have I accomplished, and what psychiacoustic phenomenon have I taken advantage of?
Definition
Accomplished a pan...taken advantage of the precedence effect
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