Yamaha YSP 4000 Owner's Manual - Page 118

LFE 0.1-channel, Neural Surround, PCM Linear PCM, SRS TruBass

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Glossary ■ LFE 0.1-channel This channel is for the reproduction of low bass signals. The frequency range for this channel is 20 Hz to 120 Hz. This channel is counted as 0.1 because it only enforces a low-frequency range compared to the full-range reproduction by the other 5/6 channels in Dolby Digital or DTS 5.1/6.1-channel systems. ■ Neural Surround Neural Surround™ represents the latest advancement in surround technology and has been adopted by XM Satellite Radio for digital radio broadcast of surround recordings and live events in surround sound. Neural Surround™ employs psychoacoustic frequency domain processing which allows delivery of a more detailed sound stage with superior channel separation and localization of audio elements. ■ PCM (Linear PCM) Linear PCM is a signal format under which an analog audio signal is digitized, recorded, and transmitted without using any compression. This is used as a method of recording CDs and DVD audio. The PCM system uses a technique for sampling the size of the analog signal per very small unit of time. Standing for pulse code modulation, the analog signal is encoded as pulses and then modulated for recording. ■ SRS TruBass SRS TruBass is a psychoacoustic bass enhancement technology developed by SRS Labs, Inc. for speakers and headphone systems that delivers bass up to an octave below the physical capabilities of the speaker's driver. SRS TruBass technology takes advantage of a spontaneous tendency of the human ears to infer lowrange audio data when presented with higher-frequency harmonic signals. As a result, our ears can hear the original low-range sound that the speaker system is incapable of producing. 114 En

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114
En
Glossary
■
LFE 0.1-channel
This channel is for the reproduction of low bass signals.
The frequency range for this channel is 20 Hz to 120 Hz.
This channel is counted as 0.1 because it only enforces a
low-frequency range compared to the full-range
reproduction by the other 5/6 channels in Dolby Digital or
DTS 5.1/6.1-channel systems.
■
Neural Surround
Neural Surround
™
represents the latest advancement in
surround technology and has been adopted by XM
Satellite Radio for digital radio broadcast of surround
recordings and live events in surround sound. Neural
Surround
™
employs psychoacoustic frequency domain
processing which allows delivery of a more detailed sound
stage with superior channel separation and localization of
audio elements.
■
PCM (Linear PCM)
Linear PCM is a signal format under which an analog
audio signal is digitized, recorded, and transmitted
without using any compression. This is used as a method
of recording CDs and DVD audio. The PCM system uses
a technique for sampling the size of the analog signal per
very small unit of time. Standing for pulse code
modulation, the analog signal is encoded as pulses and
then modulated for recording.
■
SRS TruBass
SRS TruBass is a psychoacoustic bass enhancement
technology developed by SRS Labs, Inc. for speakers and
headphone systems that delivers bass up to an octave
below the physical capabilities of the speaker’s driver.
SRS TruBass technology takes advantage of a
spontaneous tendency of the human ears to infer low-
range audio data when presented with higher-frequency
harmonic signals. As a result, our ears can hear the
original low-range sound that the speaker system is
incapable of producing.