Yamaha RX-V659 Owner's Manual download pdf (Page 114)

112

GLOSSARY

■ LFE 0.1 channel

This channel reproduces low-frequency signals. The

frequency range of this channel is from 20 Hz to 120 Hz.

This channel is counted as 0.1 because it only enforces a

low-frequency range compared to the full-range

reproduced by the other 5/6 channels in Dolby Digital or

DTS 5.1/6.1-channel systems.

■ Neo:6

Neo:6 decodes the conventional 2-channel sources for 6-

channel playback by the specific decoder. It enables

playback with the full-range channels with higher

separation just like digital discrete signal playback. There

are two modes available: “Music mode” for music sources

and “Cinema mode” for movie sources.

■ PCM (Linear PCM)

Linear PCM is a signal format under which an analog

audio signal is digitized, recorded and transmitted without

using any compression. This is used as a method of

recording CDs and DVD audio. The PCM system uses a

technique for sampling the size of the analog signal per

very small unit of time. Standing for “Pulse Code

Modulation”, the analog signal is encoded as pulses and

then modulated for recording.

■ Sampling frequency and number of

quantized bits

When digitizing an analog audio signal, the number of

times the signal is sampled per second is called the

sampling frequency, while the degree of fineness when

converting the sound level into a numeric value is called

the number of quantized bits. The range of rates that can

be played back is determined based on the sampling rate,

while the dynamic range representing the sound level

difference is determined by the number of quantized bits.

In principle, the higher the sampling frequency, the wider

the range of frequencies that can be played back, and the

higher the number of quantized bits, the more finely the

sound level can be reproduced.

■ Component video signal

With the component video signal system, the video signal

is separated into the Y signal for the luminance and the P

and P

R signals for the chrominance. Color can be

reproduced more faithfully with this system because each

of these signals is independent. The component signal is

also called the “color difference signal” because the

luminance signal is subtracted from the color signal. A

monitor with component input jacks is required in order to

output component signals.

■ Composite video signal

With the composite video signal system, the video signal

is composed of three basic elements of a video picture:

color, brightness and synchronization data. A composite

video jack on a video component transmits these three

elements combined.

■ S-video signal

With the S-video signal system, the video signal normally

transmitted using a pin cable is separated and transmitted

as the Y signal for the luminance and the C signal for the

chrominance through the S-video cable. Using the

S VIDEO jack eliminates video signal transmission loss

and allows recording and playback of even more beautiful

images.

Video information

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Yamaha RX-V659 Owner's Manual Page 114

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