Shared Flashcard Set

Details

CCT4 Module 3.1
Advanced Home Theater
26
Other
Not Applicable
01/26/2011

Additional Other Flashcards

 


 

Cards

Term
What does digital compression separate?
Definition
It separates pictures into two types of video information. Static and dynamic
Term
What are the 2 picture types with digital compression.
Definition
Static and Dynamic
Term
What is video codec?
Definition
Is a device or software that enables compression and or decompression for digital video.
Term
What does MPEG stand for?
Definition
Moving Picture Experts Group
Term
MPEG is the name of a family of??
Definition
Standards used for coding audio-visual information in a digital compressed format.
Term
What are the 3 picture types of MPEG?
Definition
I (Intra-coded),P (Predictive),B (Bi-directional)
Term
I-Pictures (Intra-coded)
Definition
Is a encoded as a single freestanding image, with no reference to preceding or subsequent pictures.
Term
In a normal sequence, there are ___ pictures, also known as frames.
Definition
12
Term
P-Pictures (Predictive pictures)
Definition
Are computed pictures, based on the nearest previous I- or P-picture.
Term
B-Pictures (Bi-directional pictures)
Definition
Use both past and subsequent pictures as reference to calculate the compressed picture data.
Term
What does DTCP stand for?
Definition
Digital Transmission Content Protection
Term
What does Macrovision offer?
Definition
Offers content protection, digital rights management, software licensing solutions.
Term
What does ACP stand for?
Definition
Analog Copying and Piracy
Term
How does ACP work?
Definition
It prevents or distorts copies made over a analog connection between a source player and a DVD recorder, DVR, PC, or VCR.
Term
What does CA stand for?
Definition
Conditional Access
Term
Conditional Access does?
Definition
It protects the content by requiring certain criteria to be met before granting access to this content.
Term
What is the major advantage of MPEG compared to other codecs?
Definition
The files are much smaller for the same quality.
Term
Predictive picture only record the _______ in the pictures.
Definition
changes
Term
DTCP defines a _____ _______ for protecting audio/video entertainment content from illegal copying, intercepting and tampering.
Definition
cryptographic protocol (cryptographic-anything written in a secret code, cipher, or the like)
Term
What is protocol?
Definition
A set of rules governing the format of messages that are exchanged between computers.
Term
What standard content protection is use in cablecards?
Definition
CA Conditional Access
Term
Why do we use compression?
Definition
It's compressed to use less bandwidth.
Term
The word ____ comes from the compression/decompression process.
Definition
Codec
Term
What type of copy write protection prevents or distorts copies made over a analog connection between a cource player and a DVD recorder, DVR, PC, or VCR?
Definition
(ACP)Analog Copying and Piracy
Term
Digital compression works by separating successive information into two types of video information. What are they?
Definition
Static and dynamic
Term
1080p uses what type of MPEG codec?
Definition
MPEG 4
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