Acomdata.com PDVD7 - Manual (Page 9)

Important Notes:
• If you are missing any items shown above, please contact AcomData
Customer Service via email at [email protected] or call
(909) 348-0680.
• Please retain a copy of your receipt. You will need it if warranty repair
service is required in the future.
also uses an interframe coding technique,
which further compresses the video data by
encoding only the differences in the images
between key frames.
PCM - (Pulse Code Modulation) A technique
for converting analog signals into digital form.
Sampling Rate - In Pulse Code Modulation,
the rate or frequency at which samples are
taken when analog signals are converted into
digital code. For example, audio that is encoded
for music CDs is sampled at a frequency of
44.1 KHz (KiloHertz), which means 44,056
samples are taken per second. Each sample
taken is “quantized” or converted into a 16-bit
binary number. The sampling rate, in conjunc-
tion with bit depth, gives the resolution.
Therefore the resolution of CD audio is
44.1KHz/16-bit. The higher the resolution,
the higher the fidelity will be to the original.
See “Bit Depth”.
Speech Enhancer - Audio technology that
enhances certain frequencies, to increase
clarity of dialogue, especially when the volume
is low.
TFT LCD (Thin Film Transistor LCD) -
Known as "active matrix", TFT LCDs have
transistors built into each pixel within the
screen. For example, a 480 x 234 color
screen requires 336,960 transistors; one for
each red, green and blue dot. TFT LCDs pro-
vide a sharp, clear image with excellent con-
trast.
Video CD - A CD format used to hold full-
motion video, developed by Matsushita, Philips,
Sony and JVC. A VCD holds 74 minutes of
VHS-quality video and CD-quality sound using
MPEG-1 compression.
Track - The storage channel on a disk. Tracks
are concentric circles. CD and DVD tracks have
one continuous, spiral-shaped channel starting
near the center and moving outward.
58 7
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AWEGO Player
Battery Pack Soft Carrying Case Car Adapter Accessories Bag
Remote Control Audio/Video Cable AC Adapter