Marantz NR1605 User Manual
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Dolby Digital Plus
Dolby Digital Plus is an improved Dolby Digital signal format that is
compatible with up to 7.1-channels of discrete digital sound and also
improves sound quality thanks to extra data bit rate performance. It is
upwardly compatible with conventional Dolby Digital, so it offers greater
flexibility in response to the source signal and the conditions of the
playback device.
Dolby Digital EX
Dolby Digital EX is a 6.1-channel surround format from Dolby Laboratories
that allows users to enjoy in their homes the “Dolby Digital Surround EX”
audio format jointly developed by Dolby Laboratories and Lucasfilm.
The 6.1-channels of sound, including surround back channel, provide
improved sound positioning and expansion of the surround sound field.
Dolby Pro Logic g
Dolby Pro Logic g is a matrix decoding technology developed by Dolby
Laboratories.
Regular music such as that on CDs is encoded into 5-channels to achieve
an excellent surround effect.
The surround channel signals are converted into stereo and full band
signals (with a frequency response of 20 Hz to 20 kHz or greater) to create
a “three-dimensional” sound image offering a rich sense of presence for all
stereo sources.
Dolby Pro Logic gx
Dolby Pro Logic gx is a further improved version of the Dolby Pro Logic g
matrix decoding technology. Audio signals recorded in 2-channels are
decoded to achieve a natural sound with up to 7.1-channels. There are
three modes: “Music” suited for playing music, “Cinema” suited for playing
movies, and “Game” which is optimized for playing games.
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