Onkyo DV-SP503E instruction manual Glossary

Glossary

Analog audio

Direct representation of sound by an electrical signal. See also Digital audio.

Aspect ratio

The width of a TV screen relative to its height. Conven- tional TVs are 4:3; widescreen models are 16:9.

Bonus Group (DVD-Audio only)

An “extra” group on some DVD-Audio discs that requires a key number to access.

Browsable pictures (DVD-Audio only)

A feature of some DVD-Audio discs in which the user can browse still pictures recorded on the disc as the audio is played. See also Slideshow.

Digital audio

Indirect representation of sound using numbers. See also Sampling frequency and Analog audio.

Dolby Digital

A multi-channel audio encoding system developed by Dolby Laboratories that enables far more audio to be stored on a disc than PCM encoding. See also PCM (Pulse Code Modulation).

DRM

DRM (Digital Rights Management) copy protection is a technology designed to prevent unauthorized copying by restricting playback, etc. of material on devices other the PC (or other WMA recording equipment) used to record it. For detailed information, please see the instruction manuals or help files that came with your PC (or other WMA recording equipment) and/or software.

DTS A multi-channel audio encoding system developed by Digital Theater Systems that

enables far more audio to be stored on a disc than PCM encoding. See also PCM (Pulse Code Modulation).

EXIF (Exchangeable Image File)

A file format developed by Fuji Photo Film for digital still cameras. Digital cameras from various manuafctur- ers use this compressed file format which carries date, time and thumbnail information, as well as the picture data.

File extension

A tag added to the end of a filename to indicate the type of file. For example, “.mp3” indicates an MP3 file.

ISO 9660 format

International standard for the volume and file structure of CD-ROM discs.

JPEG

A standard file format used for still images. JPEG files are identified by the file extension “.jpg”.

MP3

MP3 (MPEG1 audio layer 3) is a compressed stereo audio file format.

Files are recognized by their file extension “.mp3”.

MPEG audio

An audio format used on Video CD/ Super VCDs and some DVD discs.

Packed PCM (DVD-Audio only)

A lossless compression system that enables more PCM audio to be stored on a DVD-Audio disc than would oth- erwise be possible.

PBC (PlayBack Control)

A system of navigating a Video CD/ Super VCD through on-screen menus recorded onto the disc.

PCM (Pulse Code Modulation)

Digital audio encoding system found on CDs. Good quality, but requires a lot of data compared to Dolby Digital, DTS and MPEG encoded audio. See also Digital audio.

Progressive scan video

All the lines that make up a video picture are updated in one pass (compared to interlace which takes two passes to update the whole picture).

Regions (DVD-Video only)

These associate DVD-Video discs and players with par- ticular areas of the world. See DVD-Video regions on page 55 for more information.

Sampling frequency

The rate at which sound is measured to be turned into digital audio data. The higher the rate, the better the sound quality. CD is 44.1 kHz; DVD can be up to 96 kHz. See also Digital audio.

Super Audio CD (SACD)

Super Audio CD is a high quality audio disc format that can accommodate high sampling rate stereo and multi- channel audio, as well as conventional CD audio all on the same disc.

WMA

WMA is short for Windows Media Audio and refers to an audio compression technology developed by Microsoft Corporation. Files are recognized by their file extension “.wma”. Microsoft, Windows Media, and the Windows logo are trademarks, or registered trademarks of Microsoft Corporation in the United States and/or other countries.

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