AVIXA CTS-D: Human Perception of Sound Exam Study Guide with Complete Solutions
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Course
AVIXA
Institution
AVIXA
AVIXA CTS-D: Human Perception of
Sound Exam Study Guide with Complete
Solutions
Logarithm - Answer️️ -is the exponent of base 10 that equals the value of a number
Decibel - Answer️️ -describes a base-ten logarithmic relationship of a power ratio
between two numbers.
-It uses a logarit...
AVIXA CTS-D: Human Perception of
Sound Exam Study Guide with Complete
Solutions
Logarithm - Answer✔️✔️-is the exponent of base 10 that equals the value of a number
Decibel - Answer✔️✔️-describes a base-ten logarithmic relationship of a power ratio
between two numbers.
-It uses a logarithmic scale to describe ratios with a very large range of values that can
vary over several orders of magnitude.
-It is also used for quantifying differences in voltage, distance and sound pressure as
they relate to power.
Decibels can measure what type of values? - Answer✔️✔️-Distance, Power, Pressure, or
Voltage
Pascal - Answer✔️✔️-SI Unit for Pressure
Decibel Formula for Power - Answer✔️✔️-dB = 10 * log (P1 / Pr)
Where:
dB = The change in decibels
P1 = The new or measured power measurement
Pr = The original or reference power measurement
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