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DVD Audio

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DVD-Audio (commonly abbreviated as DVD-A) is a digital format for delivering very high-fidelity audio content on a DVD. DVD-Audio is not intended to be a video delivery format and should not be confused with video DVDs containing concerts and music videos. The first discs entered the marketplace in 2000. Future occasional DVD-Audio releases are expected and/or have been announced. DVD-Audio was in a format war with Super Audio CD (SACD), another format for delivering high-fidelity audio content. Neither has gained a strong position in the marketplace. As media players that can play both DVD-Audio and SACD (and many other formats) are available, both are likely to co-exist.

DVI

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The Digital Visual Interface (DVI) is a video interface standard designed to maximize the visual quality of digital display devices such as flat panel LCD computer displays and digital projectors.It is designed for carrying uncompressed digital video data to a display. It is partially compatible with the High-Definition Multimedia Interface (HDMI) standard in digital mode (DVI-D), and VGA in analog mode (DVI-A).
DVI-I stands for "DVI-Integrated" and supports both digital and analog transfers, so it works with both digital and analog Visual Display Units. "DVI-D" stands for "DVI-Digital" and supports digital transfers only. DVI also includes provision for a second data link for high resolution displays, though many devices do not implement this. In those that do, the connector is sometimes referred to as DVI-DL (dual link).

Easylink

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Easylink is a brand name used by Philips that refers to the CEC features of the HDMI standard.

Frame Rate

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Frame rate, or frame frequency, is the measurement of the frequency (rate) at which an imaging device produces unique consecutive images called frames. The term applies equally well to computer graphics, video cameras, film cameras, and motion capture systems. Frame rate is most often expressed in frames per second (FPS) and in progressive-scan monitors as hertz (Hz).

Gigabit

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Gigabit is a unit of digital information storage, with the symbol Gbit (or Gb).
1 gigabit =  1,000,000,000 bits

HDCP

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HDCP is a form of digital copy protection developed by Intel Corporation to prevent copying of digital audio and video content as it travels across various cables and connections, even if such copying would be permitted by fair use laws.  Each device handshakes with the other and then passes an encryption key to say that it is ok to display or play the signal. It does this for every frame, typically 30 times per second.

HDMI

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HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transmitting uncompressed digital data.

HDMI Certified

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To have a cable HDMI certified you must first be an official HDMI adopter registered with HDMI.org. You must then submit your cables for testing at an accredited laboratory. Only once the cable has past the test can you use the official HDMI logo on your product.

HDMI Ethernet Channel

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HDMI Ethernet Channel technology combines video, audio, and data streams into a single HDMI cable, combining the signal quality and convenience of HDMI connectivity with the flexibility of home entertainment networking. It incorporates a dedicated data channel into the HDMI cable, enabling high-speed, bi-directional networking at up to 100 Kb/sec.

HD Displays

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Displays that exceed 720p (720p,108i and 1080p) are considered to be high definition.