Additional information
Glossary
Analog | Direct representation of sound by an | ||||
audio | electrical signal. See also Digital audio. | ||||
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Aspect ratio | The width of a TV screen relative to its | ||||
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| height. Conventional TVs are 4:3; |
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| widescreen models are 16:9. |
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Digital | Indirect representation of sound using | ||||
audio | numbers. See also Sampling frequency | ||||
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| and Analog audio. |
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Dolby | A | ||||
Digital | developed by Dolby Laboratories that | ||||
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| enables far more audio to be stored on a |
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| disc than PCM encoding. See also PCM |
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| (Pulse Code Modulation). |
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DRM copy | DRM (digital rights management) copy | ||||
protection | protection is a technology designed to | ||||
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| prevent unauthorized copying by |
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| restricting playback, etc. of material on |
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| devices other than the PC (or other |
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| WMA recording equipment) used to |
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| record it. For detailed information, |
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| please see the instruction manuals or |
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| help files that came with your PC (or |
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| other WMA recording equipment) and/ |
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| or software. |
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DTS | A | ||||
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| developed by Digital Theater Systems |
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| that enables far more audio to be stored |
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| on a disc than PCM encoding. See also |
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| PCM (Pulse Code Modulation). |
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Dynamic | The difference between the quietest and | ||||
range | loudest sounds possible in an audio | ||||
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| signal. |
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EXIF | A file format developed by Fuji Photo | ||||
(Exchangeabl | Film for digital still cameras. Digital | ||||
e Image File) | cameras from various manufacturers | ||||
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| use this compressed file format which |
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| carries date, time and thumbnail |
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| information, as well as the picture data. |
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File | A tag added to the end of a filename to | ||||
extension | indicate the type of file. For example, | ||||
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| “.mp3” indicates an MP3 file. |
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ISO 9660 | International standard for the volume | ||||
format | and file structure of | ||||
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JPEG | A standard file format used for still | English | ||
| images. JPEG files are identified by the | |||
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| file extension “.jpg”. |
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MP3 | MP3 (MPEG1 audio layer 3) is a |
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| compressed stereo audio file format. |
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| Files are recognized by their file |
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| extension “.mp3”. |
| Deutsch | |
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MPEG audio | An audio format used on Video CD/ |
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| Super VCDs and some DVD discs. |
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MPEG video | A video format used on Video CD/Super |
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| VCDs and DVD discs. |
| Français | |
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PBC | A system of navigating a Video CD/ |
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(PlayBack | Super VCD through |
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Control) | recorded onto the disc. |
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PCM | Digital audio encoding system found on |
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(Pulse Code | CDs. Good quality, but requires a lot of |
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Modulation) | data compared to Dolby Digital, DTS |
| Italiano | |
Progressive | All the lines that make up a video picture |
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| and MPEG encoded audio. See also |
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| Digital audio. |
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scan video | are updated in one pass (compared to |
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| interlace which takes two passes to |
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| update the whole picture). |
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Regions | These associate |
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| players with particular areas of the |
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| world. See DVD Video regions on page 58 |
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| for more information. |
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Sampling | The rate at which sound is measured to |
| Español | |
frequency | to 96 kHz. See also Digital audio. |
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be turned into digital audio data. The |
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| higher the rate, the better the sound |
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| quality. CD is 44.1 kHz; DVD can be up |
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WMA | WMA is short for Windows Media Audio |
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| and refers to an audio compression |
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| technology developed by Microsoft |
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| Corporation. Files are recognized by |
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| their file extension “.wma”. |
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Manufactured under license from Dolby Laboratories.“Dolby”, “Pro Logic” and the double- D symbol are trademarks of Dolby Laboratories.
“DTS” and “DTS Digital Surround” are registered trademarks of Digital Theater Systems, Inc.
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