DVR-230_YP.book Page 67 Monday, July 4,2005 5:20 PM
Additional information09
Dynamic rangePureCinema
The difference between the quietest and loudest sounds DVD-Video may be either video material (originally shot
possible in an audio signal (without distorting or getting on video) or film material (originally shot film). Video
lost in noise). Dolby Digital and DTS soundtracks are material has a frame rate of 30 frames per second (fps)
capable of a wide dynamic range, delivering dramatic (NTSC) or 25 fps (PAL), compared with film?s 24 fps. This
cinema-like effects.recorder converts film material to 50 fps (in progressive
scan mode) for 625 progressive scan output.
File extension
A tag added to the end of a filename to indicate the type Regions (DVD only)
of file. For example, ?.mp3? indicates an MP3 file.
4ALL (example region code marks)
ISO 9660 formatRegions associate discs and players with particular
International standard for the volume and file structure of areas of the world. This unit will only play discs that have
CD-ROM discs.compatible region codes. You can find the region code of
your unit by looking on the rear panel. Some discs are
MP3compatible with more than one region (or all regions).
MP3 (MPEG1 audio layer 3) is a compressed audio file
format. Files are recognized by their file extension ?.mp3? Sampling frequency
or ?.MP3?.The rate at which sound is measured to be turned into
digital audio data. The higher the rate, the better the
MPEG audiosound quality, but the more digital information is
generated. Standard CD audio has a sampling frequency
of 44.1kHz, which means 44,100 samples
(measurements) per second. See also Digital audio.
An audio format used on Video CDs and some DVD
discs. This unit can convert MPEG audio to PCM format Title
for wider compatibility with digital recorders and AV A collection of chapters on a DVD disc. See also Chapter.
amp/receivers. See also PCM.
Track
MPEG video
The video format used for Video CDs and DVDs. Video CD Audio CDs and Video CDs use tracks to divide up the
content of a disc. The DVD equivalent is called a chapter.
uses the older MPEG-1 standard, while DVD uses the See also Chapter.
newer and much better quality MPEG-2 standard.
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 amp/receivers with
digital inputs, this unit can convert Dolby Digital and
MPEG audio to PCM. See also Digital audio.
PBC (PlayBack Control) (Video CD only)
A system of navigating a Video CD through on-screen
menus recorded onto the disc. Especially good for discs
that you would normally not watch from beginning to end
all at once?karaoke discs, for example.
Progressive scan video
Also called non-interlaced video, this method of
displaying a picture updates all the lines in one pass,
resulting in a more stable, flicker-free image than
interlaced video (for a given scanning rate).
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