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GLOSSARY OF
TECHNICAL
TERMS
14-
bit format
and
16-bit
format
The
14-
bit
and
16-
bit formats
of
the PCM-601ESD
conforms
to the technical specifications
of
the EIAJ
which has
adopted
the
14-
bit and
16-
bit
linear
quantization format.
The
16-
bit format
is compatible
w
ith
the
14-bit,
so a
tape recorded
with
the 16-bit format
on
the PCM-
601ESD can
be played
back
on
another PCM
digital
audio
processor
which conforms
to the
14-
bit format.
Also
a
tape recorded with the
14-bit
on another PCM
processor
can
be played back on this
unit,
which
automatically
detects the format used for recording.
Error correction capability of
the
14-
bit and
16-
bit
formats
During recording with the
EIAJ
16-bit
format, the
14-
bit
format
error correction
word
"Q"
replaces
the
15th and
16th
bits
of the
data,
so
that the 16-bit format is
compatible with
the 14-bit format. For
convenience, we
express
the
word comprising
the information
of
the
15th
and
16th bits
with
the
symbol
"S"
instead
of
the 14-bit
format
symbol
"Q".
In the
14-
bit
format,
data
contain
the
error correction words,
"P"
and "Q" :
in
the
16-
bit format,
data
contain
only
the
error
correction word, "P".
Accordingly,
the
error correction
capability
of
the 16-bit
format is
inferior
to that of the
14-
bit format.
If
a
tape
recorded with
the
16-bit
format
is
played back on
a
PCM digital
audio
processor which
conforms
to the
14-
bit format, the
error
correction capability
will
be
equal
to
one
parity bit of the
16-
bit format.
Usable error
Error
correction
correction
word
capability
14-
bit
Two parity bits of P
Burst errors of up to
format of
32 H can be
cor-
the
EIAJ
and
Q
rected.
16-
bit
A
single parity bit
of
Burst errors of up to
format of
16
H can be
cor-
the EIAJ
p
rected.
It
should be noted that burst errors beyond the error
correction capability will be compensated for
so
that they
are not
perceptible.
TROUBLE
CHECKS
Should
any problem persist
after you have
made these
checks,
consult
your
nearest
Sony
service
facility.
Before going
through the
check
list
below,
first refer
back
to the
connection
and operating
procedures.
Recording cannot be made.
Check
the
COPY button or
INPUT
select button
setting.
The peak program meter
indicator
does not function
when a recording is
monitored.
Check the connection between
the PCM-601ESD
VIDEO
IN
jack
and the VTR
video output jack
PCM-
601ESD.
The VTR record button cannot be
operated.
The video
cassette
tab
has
been
removed.
The monitored sound
is
distorted during
digital
tape
copying.
Even
if
the
monitored
sound
is distorted, the
sound being
copied
is
recorded w ithout
distortion.
A click
noise
occurs when a TV program is recorded
or when a
recorded
cassette is played back.
The
AUTO
PB
MUTE button
is released.
19
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