Multicam Test 2 Questions & Answers 2024/2025
Scanning - ANSWERSthe movement of the electronic beam from left to right and from top to bottom on a video screen
Progressive Scanning - ANSWERSthe consecutive scanning of lines from top to bottom
Interlace scanning - ANSWERSthe scanning of a...
Scanning - ANSWERSthe movement of the electronic beam from left to right and from top to bottom on
a video screen
Progressive Scanning - ANSWERSthe consecutive scanning of lines from top to bottom
Interlace scanning - ANSWERSthe scanning of all odd numbered lines and subsequent scanning of all the
even numbered lines. making up a complete televsion frame
Refresh rate - ANSWERSThe number of complete digital scanning cycles (frames) per second.
480i/480p, 720p, 1080i/1080p - ANSWERS- scanning systems for digital (480 in standard format) and
high definition television. the "i" stands for INTERLACED and the "p" stands for PROGRESSIVE. the
numbers stand for the visible lines that are scanned.
- usually expressed in fps
- 1080i/1080p (high def)
LED - ANSWERSlight-emitting diodes; many tiny light bulbs making up a pixel and activated by the video
signal. LED uses less power and doesn't run as hot
LCD - ANSWERSLiquid crystal display (plasma); uses 2 transparent sheets that contain either liquid or gas,
that allow a blacklight shine tough in various configurations when a video signal is applied
Compression - ANSWERSrearranges digital data or eliminates redundant data to increase storage
capacity and speed up signal transport
Downloading - ANSWERSfiles are sent as data packets, often out of order. you must wait for the process
to complete before you can view your download
, Streaming - ANSWERSthe digital files are sent as a continuous data flow that can be viewed and listened
to while the delivery is underway
The Lens - ANSWERSdetermines what the cam sees. they are classified by foca length which is a technical
measure of the distance from iris inside lens to the plane behind the lens where the projected image is
in focus
The imaging device - ANSWERSwhere the beam splitter transduces light into electric energy. separating
white light into the three primary colors (red/green/blue) and directing these beams at their
corresponding sensors. was tubes, now chips
The viewfinder - ANSWERSA moveable tube-like or flatscreen device attached to the cam. It shows a
image of what the cam sees
Focal length - ANSWERSa technical measure of the distance from the iris lens to the plane behind the
lens where the projected image is in focus
Wide angle lens - ANSWERSshort focal length gives a wide vista
Long lens - ANSWERSlong focal length gives a narrow vista
Zoom range - ANSWERSrefers to how narrow a vista you can achieve to the wider vista. ex: 20 x 1 lens
allows you to narrow the field 20-times for the widest vista. reference is considered Optical Zoom
Digital zoom - ANSWERSThe center of the digital image is gradually magnified
Lens speed - ANSWERSrefers to how much light can pass through a lens to the imaging device. A fast lens
can let in a great amount of light, a slow lens is more limited
Iris & Aperture - ANSWERScontrols the amount of light transmitted. aperture refers to the adjustable
holes in the diaphragm opening and closing to allow light in
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Bensuda. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
