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3.1.8 OptiSample® (RCD-777 only)
The CD-77 Compact Disk Processor offers 6 user-selectable methods of Sampling that can be cycled
through during playback by pressing the OptiSample® button (RC10) on the RCD-777. The sampling
options are:
a. Digital Master I – this mode directly takes the data extracted from the CD and re-clocked to
generate the music signal. Due to the complete lack of digital or analogue filtering, the treble frequencies
are slightly rolled off, making the sound somewhat soft and laid-back. For the same reason, the mid-
range and below is very natural and realistic. The reproduction of impulses is undistorted. This mode
often helps to tame overly-bright recordings.
b. Digital Master II (default) – this mode is identical to Digital Master I but complements this with a
special analogue filter which corrects the roll-off in the treble frequencies. As a result, the tonality is
more accurate in the treble. We therefore recommend this mode as the benchmark with which to
enjoy music.
c. Oversampling 2x – this mode engages the Digital Filter with an oversampling factor of 2, thus
performing the least digital processing possible (except for no digital processing). The original data
from the CD is in effect discarded and re-placed with a re-computed version. This new version of the
music is mainly linearly scaled up using a whole number as scaling factor and resolution/edge enhanced.
OptiSample
modes c to f
offer more
typical versions
of digital
playback
Digital Master II
is the
benchmark for
playback
This is found under the Sound, video and game controllers category.
vi. Go to Control Panel > Sounds and Audio Devices > Audio. Make sure USB Audio
Device is selected as the default device under the Sound playback box.
vii. Select and playback music on the personal computer using suitable software (Apple
iTunes®, Foobar®, Winamp®, Windows Media Player®, Windows Media Center®
et al).