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AUDIO MEASUREMENT SYSTEMS
5.1 Calibration Study Guide
10
Engineering
Undergraduate 4
07/31/2013

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Cards

Term
WHAT ACOUSTICAL HELP CAN “FLOATING” AN ABSORPTION PANEL DO INSTEAD OF MOUNTING IT?
Definition
•Absorbs more low frequencies
•Not just mids and highs
Term
MOST HOME THEATERS SHOULD HAVE AN RT60 OF ______ SECONDS FROM 200 HZ TO 2Khz.
Definition
MOST HOME THEATERS SHOULD HAVE AN RT60 OF _between 0.2 – 0.4 secs_ SECONDS FROM 200 HZ TO 2Khz.
Term
THE CENTER SPEAKER SHOULD NOT BE MORE THAN ____ FEET FROM THE HEIGHT OF THE L/R.
Definition
THE CENTER SPEAKER SHOULD NOT BE MORE THAN __2__ FEET FROM THE HEIGHT OF THE L/R.
Term
WHAT TWO TYPES OF SPEAKERS DISCUSSED ARE USED FOR REAR SURROUND SOUND?
Definition
Dipole and Direct Radiating
Term
REAR SURROUND SPEAKERS SHOULD BE AT A HEIGHT OF?
Definition
At least 6 feet
Term
WHAT IS A GOOD WAY TO DETERMINE THE SUBWOOFER PLACEMENT TO REDUCE ROOM MODES?
Definition
Using an RTA at the critical listening area, move the sub on a low cart across the front of the room, when you have the smoothest low frequency content that is the location, not where there is a boost of frequencies; that is possibly a room mode.
Term
WHAT SHOULD BE THE RANGE FOR THE LOUDEST EFFECTS OF A SOUNDTRACK?
Definition
105-110 dB
Term
WHAT SHOULD BE THE RANGE FOR THE QUIETEST BACKGROUND EFFECTS OF A SOUNDTRACK?
Definition
50-55 dB
Term
WHAT THREE COMPANIES MADE THE 5.1 AUDIO TOOLKIT DVD?
Definition
•Goldline
•PMI
•Dolby
Term
WHAT HELP IS A MULTIPLEXER WHEN DOING 5.1 SYSTEMS?
Definition
It allows multiple microphones to achieve “spatial averaging”
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