exams and notes

_____ is not a necessary specification for a microphone. Input impedance _____ topology provides the best possible redundancy, but is so expensive that it's rarely used. Fully meshed __________ is how likely the wall and the mounting are to be cut in two. Shear . In a composite video signal, what determines the brightness? Amplitude "Weighting" a sound pressure level measurement accounts for differences in the way _____. humans perceive different frequencies at a given listening level ...

What is the load limit? 1. The maximum weight of an equipment rack 2. The highest intensity a sound system can produce 3. The weight at which the item will structurally fail 4. The tendency for an equipment rack to tip over The weight at which the item will structurally fail A quick and accurate means to estimate dimensions of a commercial space during a site inspection would be to: 1. Count the number of ceiling tiles in a drop tile installation.

When checking signal flow, the first thing you need to confirm is that the signal is _____. being generated by the source components What type of connection is pictured below? (wire under screw) direct connection What type of chart is displayed below? (activity/year/budget/actual) gantt chart This type of audio system reinforces or amplifies a presenter's voice so that they'll be heard over a larger audience. Speech Reinforcement System 0 dB SPL describes: the threshold of human hearing ...

What area(s) of consideration should the AV professional address with the client regarding building structure and AV service issues? Ensure adequate power source(s), ensure AV program source access. How is an AV project estimate created for a client? Calculating goods, labor, materials and other projected costs, plus a markup. What is the diagram shown in the exhibit used for in AV management activities? Helps in sequencing and scheduling project events. Detailed descriptions of specific ...

The HDTV aspect ratio is expressed as: 1.78:1 When conducting a site survey at an active construction site what should you confirm FIRST before arriving onsite? Required PPE to be onsite. A field service technician replaces a piece of AV equipment on the client LAN but notices it's not getting proper IP address. What's the most likely issue? The new piece of equipment needs to have its MAC registered. After presenting a proposal to a client, confirming that all objections are answered an...

In a digital signal, the on state is represented by _____, and the off state is represented by ____. One; zero A signal that has many varying states is called a(n) _____ signal. Analog Bit depth is defined as the number of _____ you have in which to describe the value. States Lossy Compression is particularly suitable for the transmission of _____ Audio, Video and Images. What is a codec? A device or processing system that encodes and decodes data As noise is introduced to a(n) _____ sign...

• Analog to Digital Conversion: Sampling Rate how many times a digital sample is taken of the analog sample, per second Ex. CD Sampling rate = 44.1kHz Called Pulse Code Modulation (PCM) Determines digital signal's accuracy Nyquist-Shannon Sampling Thm • Analog sig must be encoded at rate 2X or more than highest freq. of sample • Human hearing is up to 20kHz -> digital audio should be at least 40 kHz o Bit depth Number of bits used to describe a sampled voltage level -> "qua...

How our microphones measured? millivolts Who is the design team? Anyone with consultant in their name except a moving consultant What is a detailed drawing And diagram that includes details Everyone who comes in contact with the customer is A? Salesperson What is infocom? The AV industry's largest member driven association What is a panel layout diagram? Any layout or diagram showing the interface panels in the building What are the results given after the physical wiring of the speaker ...

Regulation is a law, rule, ordinance, or other order prescribed by authority, especially to regulate conduct. Child care the care, protection, and supervision of a child for a period of less than 24 hours a day on a regular basis A child care program is either licensed, registered or exempt from licensure. The main types of child care programs in Florida are: child care facilities, specialized child care mildly ill facilities, family day care homes, large family child care homes School-...

Specific body changes and increases in the child's size such as a child's height, weight, head circumference and BMI Growth An increase in complexity, a change from relatively simple to more complicated and involves progression where child gains refined knowledge, behaviors and skills. Development The following are _________ between children in growth: 1. growth proceeds from head down 2. control of head and neck first, then arms, then legs 3. brain, heart and spinal cord are fully func...