AET final latest 2023 graded A+

AET final latest 2023 graded A+ Parts of a sound wave compression and rarefaction Speed of Sound 1130 feet per second Unit of measurement for frequency Hertz what is an octave doubling of frequency What is timbre quality of sound What are harmonics and overtones Harmonics are whole number multiples of the fundamental overtones are all other frequency other than the fundament What is the lowest frequency in a complex tone fundamental unit of measurement for amplitude dB Structures of the ear outer ear( pinna) , middle ear (ear drum, ossicles, hammer, and stirrup), inner ear(cochlea) threshold of hearing 0 dB How do we hear longer wavelengths lower frequency lower pitch How do we hear shorter wavelengths higher frequency and higher pitch threshold of feeling 120 dB thresold of pain 140 dB What is phase the relationship in time between two or more waves What happens if something is out of phase They cancel each other out What is absorption of sound sound energy absorbed by surface materials What is diffusion of sound scattering of sound in all directions on reflection from a surface What is diffraction of sound spreads around barriers reflections heard 30ms apart are perceived as one sound, this is called? temporal fusion and its called reverb Human hearing sensitivity in relation to frequency is illustrated by? the equal loudness curve What was the first digital consumer format CDs How are microphones, ears and loudspeakers similar they are all transducers what is an omni directional polar response? the microphone picks up sound from all directions What is a cardioid polar response The microphone only pics up sound from the front and a little from the sides what is a bi- directional polar response The mic picks up sound from the front and the back what is the polar response of a ribbon mic Bi directional Which mic is typically the most fragile Ribbion What mic is typically the most rugged moving coil or dynamic What mic requires phantom power? condensor what is an example of moving coil mic SM57, dynamic Which mic type would you typically use on a snare drum dynamic What mic type would you typically use a soft instrument condensor What is close miking and its characteristics putting a microphone next to an instrument closer than 3 feet to the sound, dry with less reverb to add effects later What is distance miking and its characteristics miking farther than 3 feet, more room tone and ambience What is the 3 to 1 rule? if the mic is 1 foot away from the singer then the next mic has to be 3 feet away How are coincident and near coincident stereo mixing different coincident is close together and near coincident is not as close On a console or a DAW what is an aux send send is for extra eq and to send things to reverb On a console or a DAW what is a bus sending things to multiple tracks( like multiple effects) and combines things On a console or a DAW what is panning Stereo mix to decide where the music is. is Is it on the left or the right What processors control dynamic range compressors, gates and limiters What is a common spectral processor EQs what is common time processor reverb and delay compressor vocals reverb and delay make it sound like it is in a different room In digital what is the sample rate how often you take a snapshot of the music higher sample rate will take a lot of snapshots and it will be clear Lower the sample rate Take less snapshots and it will be unclear and messy In digital what is the bit depth and what does it represent quantization and it represents the dynamic range What is the standard file for professional audio and archiving wav file A 128kbps Mp3 file has what compression ratio 10:1 How does lossless compression work? reduces the file size without loosing any data How does lossy compression work reduces the file size and discards data How many speakers are in a 5.1 surround system? 6 speakers 5 normal ones and 1 woofer What is PTS permanent threshold shift One sound hiding another sound is called masking what is a crossover network A device that divides frequency bands and sends them to their respective drivers, or speakers. In live sound what is coverage making sure there are no dead spots in the room In live sound what is intelligibility if you can understand what is being said on stage or concert In live sound what is fidelity does it sound like is is supposed to? Do all instruments sound like instruments Advantages of installed sound system designed for the room and ready to go when you get there advantages of portable sound system You can take it anywhere In live sound what happens during pre-production stage plot, assessing the Venue, checking the gear, loading the truck backwards In live sound what happens during load in get everything off the truck, set it up, sound check in live sound what happen show time the performance In live sound what happens during load out taking everything down and putting everything back in truck backwards What is FOH in front of the house Who mixes sound for the band monitor mixer Disadvantages of stage monitors can bleed into the mics, feedback problems and increase stage volumes making it harder for the stage mixers Advantages of in-ears Dramatically lower stage volume and has no feedback what are production source music that you see on screen being played by a band or something what is underscore It is the background music, like John Williams what is source music that has implied source from on screen from a jukebox or radio What is ADR Automated Dialogue Replacement What is foley Re-creating sound effects in sync with the picture In what phase of production does ADR, foley and scoring typically happen post production in video games- sounds that are triggered are called one shot sound What technique is used in video games to make sounds more realistic Randomization How can you protect your hearing wear earplugs, take breaks, turn music down Best practices for storing physical media dark, cool, dry environment Problems commonly found when working with archived media Mold, falling apart, Deteriorating When working with archived media what are, static and noise and transient noise Static: hiss broadband, buzz Transient: pops and clicks, and digital clips and crackle DAW mist commonly used in professional studios and the film industry pro tools