Toshiba D-RW2SU/D-RW2SC manual Glossary, 154 EN

Others

Glossary

■Analog audio

An electrical signal that directly represents sound. Compare this to digital audio which can be an electrical signal, but is an indirect representation of sound. See Digital audio.

■Aspect ratio

The width of a TV screen relative to its height. Conventional TVs are 4:3 (in other words, the screen is almost square); widescreen models are 16:9 (the screen is almost twice as wide as it is high).

■Chapter

Just as a book is split up into several chapters, a title on a DVD disc is usually divided into chapters. See Title.

■Component video output

Each signal of luminance(Y) and component(Pb/ Cb, Pr/Cr) is independent to output so that you can experience picture color as it is.

Also, due to compatibility with progressive video (525p/480p), you can experience higher-density picture than that in interlace (525i/480i).

■CPRM

(Content Protection for Recordable Media)

CPRM is a copy protection system with scramble system regarding the recording of “copy-once” broadcast programs (e.g. some satellite broadcasts).

■Digital audio

An indirect representation of sound by numbers. During recording, the sound is measured at discrete intervals (44,100 times a second for CD audio) by an analog-to-digital converter, generating a stream of numbers. On playback, a digital-to- analog converter generates an analog signal based on these numbers. See Sampling frequency and Analog audio.

■Dolby Digital

The system to compress digital sound developed by Dolby Laboratories. It offers you sound of stereo (2ch) or Multi-channel audio.

■DTS (Digital Theater System)

DTS is a 5.1 channel surround sound system, but it is different from Dolby Digital. The formats were developed by Digital Theater System, Inc.

■Finalize

To make DVD discs, which have been recorded on, possible to play in DVD players. With this unit, it is possible to finalize DVD-R/DVD-RW discs.

■MP3 (MPEG Audio Layer 3)

MP3 is a method of compressing files. You can copy MP3 files on CD-RW/R discs from the computer and play the files on this unit.

■PBC (Video CD only) (Playback Control)

This function enables you to play back interactive software using a menu screen. See also Title.

■PCM (Pulse Code Modulation)

The most common system of encoding digital audio, found on CDs and DAT. Excellent quality, but requires a lot of data compared to formats such as Dolby Digital and MPEG audio. For compatibility with digital audio recorders (CD, MD and DAT) and AV amplifiers with digital inputs, this unit can convert Dolby Digital and MPEG audio to PCM. See Digital audio.

154 EN