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What is "Beta hi-fi"?
"Beta hi-fi" sound is a helicallv-scanned FM sound
recording
system
with very high relative tape writ-
ing speed. The sound quality is of extraordinary
high fidelity as shown in the table below. Whereas
ordinary audio
cassette
decks give
a maximum
of 2
hours' playing time, the "Beta hi-fi"
stereo
sound
can
be
enjoyed
for as
long
as
5 hours'
continuous-
ly.
Conventional horizontal
Monaural Track
/
Beta hi-fi Track
Specificstion Cornparim
Switches for Beta hi-fi
(See
Pages 13,14,35 and
36
for detail%)
Conventional
@I I
2,OcmIsec
B
I l l
1.33cmlsec
PII
%Hz
-
8KHz
(31
l
l
50Hz
-
7KHz
Items
Relative tape speed
(Audio Tmk)
Frequency Range
Dynamic Range
Distortion
Crosstalk
Beta
hi-fi
@
11
8.993mlsec
Blll
7.0mlsec
20Hz
-
20KHz
More than
8WB
Less
than 0 . 3 %
More than
6WB
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