Table Des Matières - Sony SCD-1 Mode D'emploi

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Features
Playback of the Super Audio CD recorded
in the DSD format
The DSD (Direct Stream Digital) format is the core
technology of a Super Audio CD, allowing music
reproduction that is extremely faithful to the original
sound.
The DSD format, using a 2.8224 MHz sampling frequency
64 times higher than that of a conventional CD, and the 1-
bit quantization, makes possible recording of more than
four times the data information of the PCM format which
is used for a conventional CD.
Different from the PCM format which performs data
decimation and interpolation via digital filters, the DSD
format adopts the simple playback process. In other
words, the A/D converted 1-bit digital signal only passes
through an analog low-pass filter before playback.
As a whole, the DSD format achieves both a wide
frequency range of theoretically over 100 kHz, and a wide
dynamic range across the audible frequency range at the
same time, and results in high-quality music reproduction
faithful to the original sound.
To play back a Super Audio CD recorded in the DSD
format with exceptional quality, the SCD-1 employs a
newly developed DSD decoder and D/A converter
system, as well as a chassis and loading mechanism
especially designed for this unit.
Playback of a conventional CD with
higher quality
The SCD-1 can also play back a conventional CD with
higher quality than a conventional CD player. To provide
enhanced quality, the SCD-1 employs various advanced
technologies. For example, two independent optical
pickups are incorporated; one is for Super Audio CDs,
and the other for conventional CDs. In addition, a 24-bit
precision variable coefficient (V.C.) digital filter is
provided for CD playback (see page 19). By selecting one
of five filters which have different cutoff characteristics,
you can adjust the tone quality in accordance with the
music source or your audio system.
Others
• A Super Audio CD can mark up to 255 track/index
numbers. Corresponding to that format, the SCD-1
incorporates a large 3-digit display.
• The supplied remote is capable of controlling either the
SCD-1 and a conventional Sony CD player. (See D
COMMAND MODE selector on page 10 and A CD1/
CD2 selector on page 11.)
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