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Audio Engineering-Analog
Some Analog Junk!
34
Engineering
Undergraduate 1
12/10/2008

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Cards

Term
What do ATR and MTR stand for?
Definition
Analog Tape Recorder and MultiTrack Recorder
Term
What is a reel?
Definition
Spool of tape
Term
Explain tape to me!
Definition
-Made of 4 layers
-Oxidized tape
-Glues & Polymers
-Containes magnetized "domains"
Term
What layer of the tape contains the domains?
Definition
2
Term
What 3 heads are on an analog recorder?
Definition
Playback, Record, (sometimes) Erase
Term
What order do the heads go in?
Definition
E-R-P
Term
What is the playback head?
Definition
It has constant reference voltage, it is permanently polarized.
Term
What does erase headstack do?
Definition
Re-randomizes domains
Term
What type of flux does analog recording use?
Definition
Magnetic Flux
Term
What is residual magnetism?
Definition
How much magnetism is left on the tape
Term
Which should you have more of?: Channels on console or tracks on a recording machine.
Definition
Channels on a console
Term
What is crosstalk?
Definition
Magnetics affecting one another due to distance, this creates phase shift
Term
How many gaps does a 2-track recorder have?
Definition
2
Term
What is saturation?
Definition
Distortion of tape due to over-polarizing domains
Term
High frequencies are _______ by 6dB/octave when recording. They are ___ by 6dB/octave during playback.
Definition
Boosted, Cut
Term
How do you fix boost during recording and cut during playback of high frequencies?
Definition
Apply high pass and low pass filters at record and high filter bump and low pass filter at playback.
Term
When you apply filters and bumps to make up for high frequency boost/cut during record or playback, the new signal is called ____
Definition
Bias
Term
Does tape movement speed affect bias?
Definition
Yes
Term
What is IPS?
Definition
Inches per Second
Term
What are the most common IPS settings?
Definition
15 and 30
Term
Faster IPS=_______________?
Definition
More domains affected, More faithful recording
Term
24 Tracks is commonly sold in ____ inches
Definition
2
Term
24-track, 2" @ 30 IPS gives you how much recording time?
Definition
17.5 mins
Term
In an analog tape machine, what is the transport?
Definition
Tells reels how fast to move
Term
What is hand phlange?
Definition
Holding hand over reel to slow it down or speed it up
Term
If you cut the speed in half, the recording time ________
Definition
doubles
Term
What is gap?
Definition
Space between headstack and tape
Term
What is rack?
Definition
Pressure of tape as it's being moved
Term
What is zenith?
Definition
Headstack tilted forwards or backwards
Term
What is asmouth?
Definition
Headstack tilted sideways
Term
What is wrap?
Definition
Headstack that has been rotated
Term
What is the purpose of a 2-track
Definition
Stereo Mix delivery
Term
What is the purpose of a 2-track
Definition
Stereo Mix delivery
Term
In signal flow, stereo mix is after ______ _____
Definition
Stereo Master
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