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Intro to Recording
Intro to Recording Final
66
Music
Undergraduate 2
05/18/2009

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Term
multitrack recording
Definition
tracks that can be independently accessed
Term
3 phrase process?
Definition
recording, overdubbing, and mixing
Term
most important aspect to any recording
Definition
keep things simple, stay true to the music
Term
what is a sound wave?
Definition
compressions and rarefactions of molecules
Term
range of hearing in humans
Definition
20 Hz to 20 kHz
Term
amplitude
Definition
loudness, intensity of energy, height of wave
Term
frequency
Definition
how often cycle repeats in a given time interval
Term
Hertz
Definition
how many periods/second
Term
speed of sound in air
Definition
1130 ft/sec or 344 m/s
Term
wavelength equation
Definition
wavelength = velocity/ frequency
Term
distortion
Definition
adds other frequency, generating harmonics that are not part of original signal
Term
tranducer
Definition
converts energy
Term
purpose of patch bay
Definition
allow rerouting of normal signal flow and insertion of additional devices
Term
3 heads on analog
Definition
erase, record, and playback
Term
Fletcher Munson
Definition
perception of what we hear is changing
Term
anecodic chamber
Definition
room with no reflections of any kind, used to test and measure loudspeakers
Term
gain
Definition
increase in signal amplitude produced by amplifier
Term
building blocks
Definition

1.PreAmp

2.EQ

3.Summing Amp

4.Distribution Amp

5.Isolation

6.Impedance Amp

7.VCA (Voltage Controlled Amp

Term
summing amp
Definition
combines signals to one
Term
distribution amp
Definition
opposite of summing
Term
isolation
Definition
isolate one circuit from another
Term
impedance amp
Definition
reactive form of resistance
Term
primary functions of a console
Definition
routing and processing of input and output signals
Term
auxiliary sends
Definition
provide space for plug-ins
Term
pros of analog
Definition
warm, accurate, better sound quality

-infinitely and continuously variable
Term
cons of analog
Definition
more work, time consuming, expensive
Term
pros of digital
Definition
mobility, cheapter, less work, faster to use
Term
cons of digital
Definition
loss of information, less accurate
Term
shuttling
Definition
switching rapidly and repeatedly between the fast forward and rewind switches
Term
2 fundamental kinds of microphones
Definition
dynamic and condenser
Term
types of dynamic microphones
Definition
moving coil and ribbon
Term
transient response
Definition
response time of microphone
Term
microphone selection based on what?
Definition
frequency response, accuracy, durability, and rejection of unwanted sound
Term
omnidirectional
Definition
equally sensitive in all directions
O
Term
bidirectional
Definition
sensitive front and back
8
Term
unidirectional
Definition
sensitive in front
W
Term
active loudspeaker
Definition
has amplifier
Term
passive loudspeaker
Definition
no amp
Term
near field monitoring
Definition
close to listener, maximizing direct energy
Term
far field monitoring
Definition
full range, a lot of power, broad frequency response
Term
2 fundamental loudspeaker designs
Definition
bass reflex and sealed-air compression
Term
crossover
Definition
frequency dividing network
Term
nyguist theorem
Definition
sample rate must be twice the highest frequency that we wish to sample
Term
non-lossy compression
Definition
minimally reduce data, nothing is lost
Term
lossy compression
Definition
store more data, sounds worse
Term
MIDI
Definition
Musical Instrument Digital Interface
-used by synths and sequencers to communicate
Term
SMPTE
Definition
Society of Motion Picture and Television Engineers
-time-based code used by machine to stay in sync
Term
purposes of signal processing
Definition

1.overcome limitations of equipment

2.recreate ambiance lost to close-miking techniques 3.change timbre

4.create new sounds and ambiances

Term
attack
Definition
time compressor takes to react to signal exceeding threshold
Term
release
Definition
how quickly compressor reverts to unity gain
Term
gating
Definition
extreme of expansion
Term
limiting
Definition
extreme of condensing
Term
compression
Definition
decrease dynamic range
Term
expander
Definition
increase dynamic range
Term
phantom power
Definition
polarize the back plate and diaphragm in condenser mic, and to power mic's internal preamp
Term
proximity effect
Definition
change in the frequency response of a directional microphone as the sound source is brought close to the microphone
Term
overall goal for monitoring system
Definition
transparent, no added sound at all
Term
loudspeaker frequency response considerations
Definition
bandwidth and linearity
Term
bias
Definition
ultrasonic signal
Term
SACD uses what form of digital encoding?
Definition
DSD (direct stream digital)
Term
dither
Definition
shaped noise added to low level signals prior to digital encoding to decrease errors and distortion
Term
Pulse code modulation
Definition
successive approximation method or data conversion
Term
word clock
Definition
master timing reference pulse that is distributed to devices to prevent ticks, pops, and other distortions
Term
parametric EQ filter controls?
Definition
frequency band, gain, and bandwidth
Term
RT60
Definition
amount of time takes amplitude to drop 60 dB once driving force has been removed
Term
De-esser
Definition
operates at high frequencies to reduce effect of voice sibilance
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