AAERT CER Exam Comprehensive
Questions (Frequently Tested) and
Complete Solutions Graded A+
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Methods of audio recording - Answer: Analog and digital
Microphone - Answer: Converts acoustical energy that is sound
into electrical signal that can be delivered to either an analog or
digital device
,Path of digital audio - Answer: To change the analog signal to a
digital signal it will need to pass through an analog to digital
converter (digital mixer or A/D converter)
Sample rate - Answer: Number of samples taken each second
when recording sound. (44.1 kHz, 48 kHz, et cetera)
Bit rate - Answer: the number of bits transferred or received per
unit of time (usually 16 or 24 bits)
Low sampling rate - Answer: Approximation
High sampling rate - Answer: Smooth
Digital mixer or A/D converter - Answer: The digital mixer, or A/D
converter, will output the signal through one of a variety of
connections such as USB, FireWire (IEEE 1394), serial, local
computer bus, or Ethernet.
Dynamic Microphone - Answer: (Moving coil) - made up of
diaphragm, a coil, and a magnet. As acoustical energy hits against
the diaphragm, which is a flat plate at the front of the
microphone, it causes the coil that is attached to it to move back
, and forth over the top of the magnet. The movement of the coil
over top of the magnet creates an electrical signal which travels
through the wires within the microphone and eventually reaches
your digital mixer or A/D converter.
Condenser Microphone - Answer: Consists of a front plate
(diaphragm), back plate, and a 48-volt power source. The front
and back plate together create a capacitor. When acoustical
energy hits the front plate of the capacitor, the distance between
the front and back plate changes. The gap between these two
plates is electrically charged. This charge is created by either an
internal battery source or an external power source referred to as
phantom power.
Should you use microphones with batteries? - Answer: No. If a
battery would die during use, you could have a gap in your
recording, and you would need to interrupt the event you are
reporting to fix this problem.
Digital mixers and A/D converters act as - Answer: Phantom
power source for condenser microphones
Biggest difference between dynamic and condenser microphones
- Answer: The way by which acoustical energy is transformed into
electrical energy, one assisted by an electrical source and the
Questions (Frequently Tested) and
Complete Solutions Graded A+
Professional Academic Assistance Services
Services Offered
• Proctored Exam Assistance
• Online Class Management (Full Course Support)
• Exam Preparation & Study Materials
• Assignments and Coursework Support
• Essay and Research Paper Writing
• Discussion Posts & Responses
• Editing and Proofreading
• Confidential Academic Consultation
Contact Information
Email:
WhatsApp link: https://wa.me/254704846336
Fast Response | Confidential | Reliable Academic Support
Helping Students Achieve Academic Excellence
Methods of audio recording - Answer: Analog and digital
Microphone - Answer: Converts acoustical energy that is sound
into electrical signal that can be delivered to either an analog or
digital device
,Path of digital audio - Answer: To change the analog signal to a
digital signal it will need to pass through an analog to digital
converter (digital mixer or A/D converter)
Sample rate - Answer: Number of samples taken each second
when recording sound. (44.1 kHz, 48 kHz, et cetera)
Bit rate - Answer: the number of bits transferred or received per
unit of time (usually 16 or 24 bits)
Low sampling rate - Answer: Approximation
High sampling rate - Answer: Smooth
Digital mixer or A/D converter - Answer: The digital mixer, or A/D
converter, will output the signal through one of a variety of
connections such as USB, FireWire (IEEE 1394), serial, local
computer bus, or Ethernet.
Dynamic Microphone - Answer: (Moving coil) - made up of
diaphragm, a coil, and a magnet. As acoustical energy hits against
the diaphragm, which is a flat plate at the front of the
microphone, it causes the coil that is attached to it to move back
, and forth over the top of the magnet. The movement of the coil
over top of the magnet creates an electrical signal which travels
through the wires within the microphone and eventually reaches
your digital mixer or A/D converter.
Condenser Microphone - Answer: Consists of a front plate
(diaphragm), back plate, and a 48-volt power source. The front
and back plate together create a capacitor. When acoustical
energy hits the front plate of the capacitor, the distance between
the front and back plate changes. The gap between these two
plates is electrically charged. This charge is created by either an
internal battery source or an external power source referred to as
phantom power.
Should you use microphones with batteries? - Answer: No. If a
battery would die during use, you could have a gap in your
recording, and you would need to interrupt the event you are
reporting to fix this problem.
Digital mixers and A/D converters act as - Answer: Phantom
power source for condenser microphones
Biggest difference between dynamic and condenser microphones
- Answer: The way by which acoustical energy is transformed into
electrical energy, one assisted by an electrical source and the
