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S-AIR
(Sony Audio Interactive Radio
frequency)
Recent times have seen the rapid spread of DVD
media, Digital Broadcasting, and other high-
quality media.
To ensure that the subtle nuances of these high-
quality media are transmitted with no
deterioration, Sony has developed a technology
called “S-AIR” for the radio transmission of
digital audio signals with no compression, and
has incorporated this technology into the EZW-
RT10/EZW-T100.
This technology transfers digital audio signals
with no compression using the 2.4 GHz band
range of ISM band (Industrial, Scientific, and
Medical band), such as wireless LANs and
Bluetooth applications.
Super Audio CD
Super Audio CD is a new high-quality audio
disc standard where music is recorded in the
DSD (Direct Stream Digital) format
(conventional CD is recorded in the PCM
format). The DSD format, using a sampling
frequency 64 times higher than that of a
conventional CD, and with 1-bit quantization,
achieves both a wide frequency range and a wide
dynamic range across the audible frequency
range, and so provides music reproduction
extremely faithful to the original sound.
x Super Audio CD types
There are two types of discs, depending on the
Super Audio CD layer and CD layer
combination.
• Super Audio CD layer: A high-density
signal layer for Super Audio CD
•CD layer
1)
: A layer that is readable by a
conventional CD player
A Super Audio CD layer consists of the 2
channel area or the multi-channel area.
• 2 channel area: An area in which 2 channel
stereo tracks are recorded
• Multi-channel area: An area in which multi-
channel (up to 5.1 channels) tracks are
recorded
1)
You can play the CD layer on a conventional CD
player.
2)
Since both layers are on one side, it is not necessary
to turn the disc over.
3)
To select a layer, see “To change a playback layer
when playing a hybrid Super Audio CD” (page 42).
4)
To select an area, see “To select a playback area on a
2 channel + Multi-channel Super Audio CD”
(page 41).
Single layer disc
(a disc with a single Super Audio CD layer)
Super Audio CD
layer
Hybrid disc
2)
(a disc with a Super Audio CD layer and a CD layer)
Super Audio CD
layer
3)
CD layer
3)
Super Audio CD
layer
Multi channel area
4)
2 channel area
4)