Page 24
5.1
Ls
CL R
Rs
7.1SDDS
Lc Rc
7.1DS
Lrs Rrs
LFE
CL R
LFE
CL R
LFE
Ls Rs
Ls Rs
Previous Name
(abbreviation)
One or more loudspeakers typically on the back wall of the room to the
left horizontally.
Right rear
surround (Rrs)
One or more loudspeakers typically on the back wall of the room to the
right horizontally.
Back Surround
Right (BSR)
Mid left to center screen loudspeaker. This loudspeaker position is
typically between the center of the screen and the left edge of the
screen, usually closer to the left.
Mid right to center screen loudspeaker. This loudspeaker position is
typically between the center of the screen and the right edge of the
screen, usually closer to the right.
Soundfield Configurations
The standard soundfield configurations (or speaker configurations) as defined by SMPTE are shown in the diagram
below. Note there are two defined 7.1 configurations. One (7.1DS) has rear surround speakers, while the other
(7.1SDDS) extends the side surround speakers to the rear wall and adds left center and right center speakers.
The JSD-60 is configured for the particular speaker configuration in the auditorium. Each format is then configured
as to how the speakers in that auditorium are driven. For example, when an auditorium is configured for 7.1DS,
which includes rear surround speakers, and 5.1 content is played, the rear surround speakers can be driven by the
surround channels, or a mix of the surround channels.
Channel number and output labeling are shown in the following table. It illustrates the relationship between the
channel number and typical 7.1 output name. Note that the source for channels 9 and 10 are controlled by the
channel mixer. There are only a maximum of 8 channel sources.
Left Rear Surround or Left Center
Right Rear Surround or Right Center
Visually Impaired-Narrative
Comments to this Manuals