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Owner's of the Abbingdon Music Research CD Player Compact Disk Processor gave it a score of 0 out of 5. Here's how the scores stacked up:
30
a large degree of digital manipulation. The original data from the CD is in effect discarded and re-placed with a
re-calculated version. This new version of the music is mainly linearly scaled up using a whole number as scaling
factor and resolution/edge enhanced. The sonic result of Oversampling 4x is similar to that of Oversampling 2x;
except more accentuated.
5. Upsampling at 96kHz – this mode engages the Upsampler with a sampling frequency of 96kHz, performing
quite a large degree of digital manipulation. The original data from the CD is in effect discarded and re-placed
with a re-calculated version. This new version of the music is non-linearly scaled up using a complex number as
scaling factor and resolution/edge enhanced. The sonic result of upsampling is similar to oversampling; however
there are subtle degrees of change in the tonality due to a shift in the harmonic spectrum as a result of the
complex number which underlies the scaling.
6. Upsampling at 192kHz – this mode engages the Upsampler with a sampling frequency of 192kHz, per-
forming a very large degree of digital manipulation. The original data from the CD is in effect discarded and re-
placed with a re-calculated version. This new version of the music is non-linearly scaled-up using a complex
number as scaling factor and resolution/edge enhanced. The sonic result of 192kHz upsampling is similar to
96kHz upsampling. However, as the complex numbers that underlie the upsamplings are different to oversam-
pling, the shift in the harmonic spectrum is not the same: hence tonality is somewhat different.
OptiSample
modes 4-6 offer
more typical
versions of
digital playback
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