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Multimedia Audio
Study Guide for quiz 2
89
Other
Not Applicable
07/19/2006

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Term
What does the tab key funtion in reason do
Definition
Flips over the device so you can make connections.
Term
What is Universal Synthsizer Interface?(USI)
Definition
The universal protocol that would be reconized by all synthesizers
Term
What is MIDI
Definition
Musical Instrument Digital interface
Term
What is the relationship between USI and Midi
Definition
They are both computer language and do not contain any actual audio
Term
What is a MIDI device
Definition
A device that is triggered using on, off and continous controller data
Term
What can a continious controller message control
Definition
it is real time control over effects, volume, oscillators,panning, EQ, filter frequency cutoff values, and effects send levels..
Term
What is an alternate controller
Definition
any other instrument used to trigger midi such as a guitar
Term
What are the MIDI ports and what do they do.
Definition
In- recieves midi data,

Out- transmits MIDI data to additional midi devices

THru ports copies recieved from the in port and transits this data to additional devices
Term
What is general MIDI
Definition
the 128 sounds that would be standard for every MIDI keyboard
Term
How many channels can MIDI send/recieve
Definition
16
Term
what is SMF
Definition
Standard MIDI Format
Term
How many instrument definitons does general MIDI describe
Definition
128
Term
what is a slave device
Definition
a device that recieves a message from a master device
Term
what is a master device
Definition
a device that creates specific binary messages that are transmitted via a 5-pin DIN MIDI cable
Term
What is signal flow
Definition
The order in which a signal passes through different pieces of gear from point A to Point B
Term
What is Routing
Definition
It is the role that signal flow plays in that it determines where the signal should go
Term
What are the general effects order
Definition
Dynamic, Frequency, Modulation, Time Based
Term
What are the 3 parts of a console
Definition
Jackfield, Channel Strip, Master Section
Term
What does the Mic/Line switch do
Definition
Selects either line on/off or mic on/off
Term
What is an insert effect
Definition
Dynamic, and frequency
Term
How do insert effects work
Definition
they allow a signal to be routed to an effects rocessor and inserted directly into the existing signal flow, hey work by replacing a dry, unprocessed signal with a wet, processed one
Term
what efects are commonly placed n the inser effect chain
Definition
dynamic
Term
what is an Aux effect
Definition
Controlled effects by the engineer
Term
How do aux effects work
Definition
it has an percentage that is sent into a signal only when triggered through an aux knob
Term
What are efects commonly placed in the aux effect chain
Definition
time based/ Modulation based
Term
What is gain staging
Definition
fine tuning volume between pieces of audio gear and maintains optimal signal volume
Term
How do dynamic mics work
Definition
metal wire coil around a magnet with a diaphram on top. these do not require any external power source
Term
How do Ribbon Mics work
Definition
Thin metal ribbon suspended in a magnetic field. sound waves cause ribbons to vibrate thus generating voltage. Phantom power can damage these mics
Term
How do Condensor Mics work
Definition
require power to polarize the backplate and power the preamp. they require phantom power
Term
Which mic is the most sensitive
Definition
Condensor
Term
Which mic is the least sensitive
Definition
dynamic
Term
Which mic is the most fragile
Definition
ribbon
Term
What does a polar pattern diagram show
Definition
Physical area, frequency respond, and reach
Term
What are omnidirect mics used for
Definition
used for overheads & ambient sounds
Term
what are the three basic parameters common to dynamic effects
Definition
threshold, ratio, and gain control
Term
what is the threshold control
Definition
it either boosts or attenuates the signal
Term
what is a compressor
Definition
control over the amplitude of an incoming audio signal.
Term
What do dynamic effects do
Definition
Some of these effects attenuate a signal, while others amplify it
Term
What are some examples of dynamic effects
Definition
Compressors,Limiters, Expanders, Noise Gates
Term
How does a compressor work
Definition
Compresses is desigend to control the aplitude of a incoming signal
Term
What are limiters
Definition
limiters are effects that do not allow audio signal to increase past the threshold
Term
how does limiters work
Definition
they create a audio ceiling
Term
What is the difference between a limiter and a compresser
Definition
a compresser allows the audio signal to increase past the threshold and the limiter does not
Term
what is an expander
Definition
it boosts the level of signal once the threshold is crossed
Term
What are noise gates
Definition
Silencers
Term
How do noise gates work
Definition
when an audio signal's amplitude flls below the threshold value, the noise gate clses, and the audio signal is not able to pass through
Term
what do frequency based effects do
Definition
alters an audio sources frequency in a variaty of ways.this catagory of effects include equalizers and filters
Term
what does a equalizer do
Definition
they either boost or attenuate a specific frequency so that sound can be tailored to meet specific needs
Term
What are the basic parts of an equalizer
Definition
center frequency, boost/attenuation, and bandwith
Term
what is the bandwith control commeoly reffered to
Definition
the "q" control
Term
what are fixed frequency eq's know as
Definition
treble, mid and bass controls
Term
what do parametric eq's do
Definition
they provide the ability to adjust the central frequency for each band and allows complete control of the sound to help eliminate and prevent feedback
Term
How are filters related to EQ's?
Definition
Both are frequency based effects, that can alter an audio source's frequency in a variety of ways.
Term
What is a modulation effect?
Definition
Effects based on both time and pitch variations. The audio signal is duplicated and delayed. When the signals are combined, subtle pitch changes are created through phase cancellation.
Term
What is the purpose of the oscillator in a Modulation Effect?
Definition
An oscillator is used to alter the delay times affecting the duplicate audio signal.
Term
Describe how a flanger works.
Definition
When an audio signal enters the flanger, it is split and duplicated. One half of the signal is delayed; the other half remains dry. The signals are then combined, and an LFO is used to modify the delay times. The delay between the two signals causes phase cancellation.
Term
Describe how a Chorus works.
Definition
A single voice or instrument is input into the chorus pedal. The signal is split and duplicated. Half is sent through a delay circuit, the other remains dry.
Term
Describe how a phaser works?
Definition
The signal is fed into an all pass filter and sent through a feedback loop. The filter adds a minute delay to the duplicate signal. When combined with the original, phase cancellation occurs. When the wet and dry signals are combined, the two halves go in and out of phase creating a pulsating, throbbing sound.
Term
What are omnidirectional mics used for
Definition
overheads and ambient sounds
Term
What are cariod mics commonly used for
Definition
vocals on stage and instruent recordings
Term
what are shotgun mics used for
Definition
long distance pick up
Term
What is a stereo mic
Definition
incorperates 2 mic capsules
Term
What is a boundry mic
Definition
made of metal plate and condensor mic pointed at it
Term
What is the proximity effect
Definition
the closer u get the more bass
Term
what is the inverse square law
Definition
every time you double your distance it drops 6db
Term
What are pop filters
Definition
they filter out plosives, sibilence
Term
What are the 3 phases of production
Definition
pre production, production, and post roduction
Term
What is the most important phase of production
Definition
pre- production
Term
what is the planning phase
Definition
pre production
Term
what is the tracking phase
Definition
production
Term
what is the tracking phase
Definition
production
Term
What is the assembly phase
Definition
post production
Term
what are music unions and what do they do
Definition
they administer the rights and assist in the collection of royaltys. ex. Ascap, Bmi
Term
what is a design document
Definition
contains info of game plot&story character info, object lists, production artwork, SFX, music ideas, and lists. also known as the bible of game
Term
How is room tone utilized
Definition
as a way to make new studio sounds sound realistic by adding backround noise
Term
What are the pro's and con's of recording dry
Definition
the pros are that the signals are pure and the cons are that it involvs time and patience required to develop an ear for a room
Term
What are the Pros and Cons of printing with effects,
Definition
Effects can shape and influence their performances more for a live setting, the cons are that once a signal is recorded with effects the effect cannont be moved
Term
What are dailies
Definition
Newly syncronized tracks
Term
What is the purpose for a slate
Definition
it provides visual and audio cues for the begging of a take
Term
What is rumble
Definition
a term used to define bass vibrations transmitted from objects on the set to the microphone
Term
What is foley
Definition
sound recreation
Term
what is spotting
Definition
detailed viewing of film to determine necessasary sound effects in music includes info regarding start time end time scene number duration and discription of sound effects
Term
what is adr
Definition
automated dialouge replacement
Term
what are premixes
Definition
groups of traks to better facilitate mixing
Term
what are stems
Definition
dialouge music and special effects that when mixed make up the finished mix of a film
Term
What is the M & E mix
Definition
the dialogue stem is removed andmusic and effects mix sent to foregn studios for foreign dialouge
Term
What occurs during the alpha stage of a video game
Definition
the first working draft of a game. sfx determined through gameplay. temp dubs used to convey base ideas
Term
what occurs during the beta stage of a video game
Definition
more complete version of the game sfx are tweaked and massaged. feedback from producers publushers and testers is crucial
Term
what is a gold master
Definition
final version of game release to stores. all sfx are complete. it is sent to duplication houses
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