11 Glossary
A
Aspect ratio
Aspect ratio refers to the length to height ratio of TV screens. The ratio of a standard TV is 4:3, while the ratio of a
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DivX Video
DivX® is a digital video format created by DivX, Inc. This is an of cial DivX Certi ed device that plays DivX video. Visit www.divx.com for more information and software tools to convert your les into DivX video.
DivX
This DivX Certi ed ® device must be registered in order to play DivX
Dolby Digital
A surround sound system developed by Dolby Laboratories that contains up to six channels of digital audio (front left and right, surround left and right, center and subwoofer.)
DTS
Digital Theatre Systems. A surround sound system for providing 5.1 channels of discrete digital audio in consumer electronics products and software content. It is not developed by Dolby Digital.
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HDCP |
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This is a speci cation that provides a secure |
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transmission of digital contents between |
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different devices (to prevent unauthorized |
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copyright.) |
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HDMI |
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uncompressed high de nition video and digital |
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multichannel audio. It delivers high quality |
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picture and sound quality, completely free from |
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noise. HDMI is fully |
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DVI. |
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As required by the HDMI standard, connecting |
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to HDMI or DVI products without HDCP (High- |
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bandwidth Digital Content Protection) will result |
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in no Video or Audio output. |
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JPEG |
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A very common digital still picture format. A |
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by the Joint Photographic Expert Group, which |
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features small decrease in image quality in spite |
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of its high compression ratio. Files are recognized |
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by their le extension ‘.jpg’ or ‘.jpeg.’ |
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MP3 |
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A le format with a sound data compression |
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system. MP3 is the abbreviation of Motion |
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Picture Experts Group 1 (or |
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Layer 3. With the MP3 format, one |
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than a regular CD. |
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MPEG |
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Motion Picture Experts Group. A collection of |
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compression systems for digital audio and video. |
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EN 49