Glossary
Bitstream
This is the digital form of
CPRM (Content Protection for Recordable Media)
CPRM is technology used to protect broadcasts that are allowed to be recorded only once. Such broadcasts can be recorded only with CPRM compatible recorders and discs.
Decoder
A decoder restores the coded audio signals on DVDs to normal. This is called decoding.
Dolby Digital
This is a method of coding digital signals developed by Dolby Laboratories. Apart from stereo
Dolby Pro Logic
A surround system where a
Down-mixing
This is the process of remixing the
Some discs prohibit
DPOF (Digital Print Order Format)
DPOF is the standard printing format for still picture data. It is used by photo developing stores to print out the still picture data taken from a digital camera and other equipment or when printing from your home printer.
DTS (Digital Theater Systems)
This surround system is used in many movie theaters around the world. There is good separation between the channels, so realistic sound effects are possible.
Dynamic range
Dynamic range is the difference between the lowest level of sound that can be heard above the noise of the equipment and the highest level of sound before distortion occurs. Dynamic range compression means reducing the gap between the loudest and softest sounds. This means you can listen at low volumes but still hear dialog clearly.
Film and video
•Film is 24 or 30 frames per second, with motion picture film generally being 24 frames per second.
•Video is 60 fields per second (two fields making up one frame).
Finalize
A process that makes play of a recorded
You cannot record onto or edit finalized discs.
Formatting
Formatting is the process of making media such as
Frames and fields
Frames refer to the single images that constitute the video you see on your television. Each frame consists of two fields.
•A frame still shows two fields, so there may be some blurring, but picture quality is generally better.
•A field still shows less picture information so it may be rougher, but there is no blurring.
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JPEG (Joint Photographic Experts Group)
This is a system used for compressing/decoding color still pictures. If you select JPEG as the storage system on digital cameras etc., the data will be compressed to
LPCM (Linear pulse code modulation)
These are uncompressed digital signals. This unit outputs linear PCM sound in 2 channels from the DIGITAL AUDIO OUT terminal. LPCM sound is available when recording in XP mode.
MP3 (MPEG Audio Layer 3)
An audio compression method that compresses audio to approximately one tenth of its size without any considerable loss of audio quality. You can play MP3 you have recorded onto
Playback control (PBC)
If a Video CD has playback control, you can select scenes and information with menus.
Progressive/Interlace
NTSC, the video signal standard, has 480 interlaced (I) scan lines, whereas progressive scanning uses twice the number of scan lines. This is called 480P.
Using progressive output, you can enjoy the
Your television must be compatible to enjoy progressive video.
Protection
You can prevent accidental erasure by setting writing protection or erasure protection.
Sampling frequency
Sampling is the process of converting the heights of sound wave (analog signal) samples taken at set periods into digits (digital encoding). Sampling frequency is the number of samples taken per second, so larger numbers mean more faithful reproduction of the original sound.
Subtitles
When dialogue which appears at the bottom of the screen.
TIFF (Tag Image File Format)
A still picture data standard A common format for storing high quality images on digital camera’s and other devices.
VBR (Variable bitrate)
This is a method of video recording that adjusts the bit rate according to video signal.
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