Marantz CINEMA 50 9.4-Channel Network A/V Receiver (Black) User Manual
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DAMAGE.
LFE
This is an abbreviation of Low Frequency Effect, which is an output
channel that emphasizes low frequency effect sound. Surround audio is
intensified by outputting 20 Hz to 120 Hz deep bass to the system
subwoofer(s).
MP3 (MPEG Audio Layer-3)
This is an internationally standardized audio data compression scheme,
using the “MPEG-1” video compression standard. It compresses the data
volume to about one eleventh its original size while maintaining sound
quality equivalent to a music CD.
MPEG (Moving Picture Experts Group), MPEG-2, MPEG-4
These are the names for digital compression format standards used for
the encoding of video and audio. Video standards include “MPEG-1
Video”, “MPEG-2 Video”, “MPEG-4 Visual”, “MPEG-4 AVC”. Audio
standards include “MPEG-1 Audio”, “MPEG-2 Audio”, “MPEG-4 AAC”.
MPEG-H
MPEG-H 3D Audio is a new audio technology to truly immerse and
envelop listeners in sound from all directions, which opens an entire next
level of sound going beyond stereo and surround. With sound coming
from above, a third dimension is added to the audio experience making it
much more realistic and natural.
Thanks to its unique personalization features, MPEG-H 3D Audio also
offers users a great flexibility to actively engage with the content and adapt
it to their own preferences.
MPEG-H 3D Audio enables true object based sound and is also the basis
of Sony’s 360 Reality Audio for immersive music streaming services. 360
Reality Audio makes it possible for artists and creators to produce music
by mapping sound sources such as vocals, chorus and instruments with
positional information and placing them within a spherical space.
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