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What is MP3, VCD, HDCD and Progressive Scan?
WHAT IS MP3?
MP3 is a compression form (like zip). The name MP3 stand for Mpeg1 Audio layer 3 and its
compression algorithm is based on a complicated psycho-acoustic model. This model is based on the
fact that the human ear can not hear all the audio frequencies. The human hearing range is between
20Hz to 20khz and it is most sensitive between 2 to 4 kHz. As a result the MP3 compression form is
destructive, that means the compression algorithm causes the file to lose some information so that it
can not be restored to its original content.
When compressing an audio file (encoding) using the MP3 algorithm you can set the desired
encoding level and have any compression level you want. The larger the compressed file the better
the audio quality of the result. The majority of the files available on the internet are encoded in 128
kbits stereo 44kHz which results in a high quality file that is 12 times smaller than the original! This,
of course, has many interesting consequences.
WHAT IS VCD?
Size and shape of any regular music CD with the same digital audio, plus good video capability. It is
a new video format that offers exceptional high-end digital picture quality and smoothness, over an
hour of playing time, full CD-quality, stereo sound, and more. Using MPEG (Motion Picture Expert
Group) compression (1:30), VCD's offer picture quality that is far superior to the Quicktime movies you
see on standard VHS tape.
WHAT IS HDCD?
This player is equipped with HDCD technology. HDCD
process that enables the Compact Disc to deliver the full richness and details of the original microphone feed.
When listening the HDCD encoded CDs, you hear more dynamic range, a focused 3-D soundstage, and
extremely natural musical timbre with 20-bits output.
WHAT IS PROGRESSIVE SCAN?
Create a picture with double the scan lines of traditional component video picture and create a sharper image.
The advantages of progressive scan video output reduce picture flickering, motion artifacts and have a sharper
image on large screens.
CONSUMERS SHOULD NOTE THAT NOT ALL HIGH DEFINITION TELEVISION SETS ARE FULLY COMPATIBLE WITH
THIS PRODUCT AND MAY CAUSE ARTIFACTS TO BE DISPLAYED IN THE PICTURE. IN CASE OF 525
PROGRESSIVE SCAN PICTURE PROBLEMS, IT IS RECOMMENDED THAT THE USER SWITCH THE CONNECTION
TO THE "STANDARD DEFINITION" OUTPUT. IF THERE ARE QUESTIONS REGARDING OUR TV SET COMPATIBILITY
WITH THIS MODEL 525p DVD PLAYER, PLEASE CONTACT OUR CUSTOMER SERVICE CENTER.
This product incorporates copyright protection
technology that is protected by method claims of
certain U.S. patents and other intellectual property
rights owned by Macrovision Corporation and other
rights owners. Use of this copyright protection
technology must be authorized by Macrovision
Corporation, and is intended for home and other
limited viewing uses only unless otherwise
authorized by Macrovision Corporation. Reverse
engineering or disassembly is prohibited.
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A
P
E
X
D
I
G
I
T A
L
®
(High Definition Compatible Digital
It is forbidden by law to copy, broadcast, show,
broadcast on cable, play in public, and rent
copyrighted material without permission.
DVD video discs are copy protected, and any
recordings made from these discs will be distorted.
Manufactured under license from Dolby Digital
Laboratories. Dolby and the Double-D symbol are
"
"
trademarks of Dolby Laboratories. Confidential
unpublished works.
1992-1997 Dolby Laboratories,
c
Inc. All rights reserved.
"
DTS and DTS Digital Out are trademarks of Digital
"
"
Theater System, Inc.
®
) is a patented
"
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