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JPEG
A file format used for still images, such as
photographs and illustrations. JPEG files are
identified by the file extension “.jpg” or “.JPG”.
Most digital cameras use this format.
MP3
MP3 (MPEG1 audio layer 3) is a compressed
audio file format. Files are recognized by their
file extension “.mp3” or “.MP3”.
MPEG audio
An audio format used on Video CDs and some
DVD discs. This unit can convert MPEG audio
to PCM format for wider compatibility with
digital recorders and AV amplifiers. See also
PCM (Pulse Code Modulation).
MPEG video
The video format used for Video CDs and
DVDs. Video CD uses the older MPEG-1
standard, while DVD uses the newer and
much better quality MPEG-2 standard.
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.
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, DTS and MPEG audio to
PCM. See also Digital audio.
Regions (DVD-Video only)
These associate discs and players with
particular areas of the world. This unit will
only play discs that have compatible region
codes. You can find the region code of your
unit by looking on the rear panel. Some discs
are compatible with more than one region (or
all regions).
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, 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.
WMA
WMA is short for Windows Media Audio and
refers to an audio compression technology
developed by Microsoft Corporation. WMA
data can be encoded by using Windows
Media Player version 8 or Windows Media
Player for Windows XP. Files are recognized
by their file extension “.wma” or “.WMA”.
Microsoft, Windows Media, and the Windows
logo are trademarks, or registered trademarks
of Microsoft Corporation in the United States
and/or other countries.
DV260.book Page 61 Friday, January 10, 2003 7:13 PM