HOME CINEMA REPLICATES a real movie theatre ting
pictures displayed on a high-quality widescreen television set
such as a plasma TV, and surround sound from str
sited loudspeakers. The source for sound and vision is a DVD (Digital Versatile Disc). Its player uses standard CD (Compact
Disc) digital technology, but with a higher density of ser
read microscopic pits more than 20 billion sach pits in
multi-level spiral tracks that stretched out, would estend
nearly 40km (25 miles). Blu-ray is a high-quality DVD system
that fits much more data on its disc than standard DVDs.
allowing High Definition video files to be stored. It is hard
for the human ear to discern the direction of low-pitched
sounds, so these emanate from a central bass
speaker, often built into or below the screen unit. HOW SURE
High-pitched sounds, the direction of which is easier to detect, emanate from mid and high-frequency speakers positioned around the viewer.
Plasma screens use fluorescent tube ("strip-light") technology. Tiny three-cell pixels, each
channel
about one millimetre across, contain red, green,
and blue phosphor chemicals and a gas mix, Where electric pulses coincide for a split second in the criss-cross matrix of wire electrodes, the gas energizes and emits ultraviolet light, which
in turn makes the phosphor glow.
pictures displayed on a high-quality widescreen television set
such as a plasma TV, and surround sound from str
sited loudspeakers. The source for sound and vision is a DVD (Digital Versatile Disc). Its player uses standard CD (Compact
Disc) digital technology, but with a higher density of ser
read microscopic pits more than 20 billion sach pits in
multi-level spiral tracks that stretched out, would estend
nearly 40km (25 miles). Blu-ray is a high-quality DVD system
that fits much more data on its disc than standard DVDs.
allowing High Definition video files to be stored. It is hard
for the human ear to discern the direction of low-pitched
sounds, so these emanate from a central bass
speaker, often built into or below the screen unit. HOW SURE
High-pitched sounds, the direction of which is easier to detect, emanate from mid and high-frequency speakers positioned around the viewer.
Plasma screens use fluorescent tube ("strip-light") technology. Tiny three-cell pixels, each
channel
about one millimetre across, contain red, green,
and blue phosphor chemicals and a gas mix, Where electric pulses coincide for a split second in the criss-cross matrix of wire electrodes, the gas energizes and emits ultraviolet light, which
in turn makes the phosphor glow.
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