Sony RHT-G800 Operating Instructions Manual page 49

PCM (Pulse Code Modulation)
A method of converting analog audio to digital
audio for easy enjoyment of digital sound.
S-Force PRO Front Surround
Sony's long-term involvement in surround
technology (and the vast amounts of acoustic
data accumulated as a result) has led to the
development of all-new processing method and
advanced DSP to handle this task effectively,
which we call S-Force PRO Front Surround.
Compared with previous front surround
technologies, S-Force PRO Front Surround
reproduces a more convincing sense of distance
and space, resulting in a true surround sound
experience without the need for rear speakers.
S-Master
S-Master is an all-digital amplifier technology
developed by Sony, which effectively minimizes
the occurrence of sound fragmentation and jitter,
delivering superb dialog clarity and faithful
reproduction of the original sound. The compact
amplifier section supports a higher power
efficiency and improved thermal performance.
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