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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 CD/Super
VCDs 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 Modula-
tion)
.
MPEG video
The video format used for Video CD/Super
VCDs and DVDs. Video CD/Super VCD uses
the older MPEG-1 standard, while DVD uses
the newer and much better quality MPEG-2
standard.
PBC (PlayBack Control) (Video CD/Super
VCD only)
A system of navigating a Video CD/Super VCD
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 ampli-
fiers 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 partic-
ular 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. Stan-
dard 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 trade-
marks of Microsoft Corporation in the United
States and/or other countries.
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