Rear speaker position (rear pl.), Rear speaker height (rear hgt.) – Sony STR-DA50ES User Manual
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Multi-Channel Surround Setup
9 About speaker sizes (LARGE and SMALL)
Internally, the LARGE and SMALL settings tor each speaker 
determine whether or not the internal sound processor will cut 
the bass signal from that channel. When the bass is cut from a 
channel, the bass redirection circuitry sends the corresponding 
bass frequencies to the sub woofer or other "LARGE" speaker.
However, since bass sounds have a certain amount of 
directionality it ^^t not to cut them, if possible. Therefore, even 
when using small speakers, you can set them to "LARGE" if you 
want to output the bass frequencies from that speaker. On the 
other hand, if you are using a large speaker, but prefer not to 
have bass frequencies output from that speaker, set it to 
"SMALL".
If the overall sound level is lower than you prefer, set all sf>eakers 
to "LARGE". If there is not enough bass, you can use the 
equalizer to boost the bass levels. To adjust the equalizer, see 
page 34.
■ Rear speaker position (REAR PL.)*
Initial setting: BEHIND
This parameter lets you specify the location of your rear 
speakers for proper implementation of the Digital Cinema 
Sound surround modes in the VIRTUAL 3D genre. Refer
to the illustration below.
• Select "SIDE" if the location of your rear speakers
corresponds to section
O-
• Select "MIDDLE" if the location of your rear speakers
corresponds to section ©.
• Select "BEHIND" if the location of your rear speakers
corresponds to section ©.
This setting only effects the surround modes in the 
VIRTUAL 3D genre.
E]
■ Rear speaker height (REAR HGT.)*
Initial setting : LOW
This parameter lets you specify the height of your rear 
speakers for proper implementation of the Digital Cinema 
Sound surround modes in the VIRTUAL 3D genre. Refer 
to the illustration below.
• Select "LOW" if the location of your rear speakers
corresponds to section O-
• Select "HIGH" if the location of your rear speakers
corresponds to section ©.
This setting only effects the surround modes in the 
VIRTUAL 3D genre.
* These parameters are not available when "Rear speaker
size (REAR)" is set to "NO".
C About the rear speaker position (SIDE, MIDDLE, and BEHIND)
This setting is designed specifically for implementation of the
Digital Cinema Sound modes in the VIRTUAL 3D genre.
With the Digital Cinema Sound modes, speaker position is not as 
critical as other modes. All of the modes in the VIRTUAL 3D 
genre were designed under the premise that the rear speaker
would be located behind the listening position, but presentation 
remains fairly consistent even with the rear speakers positioned 
at a rather wide angle. However, if the speakers are pointing 
toward the listener from the immediate left and right of the 
listening position, the VIRTUAL 3D modes will not be effective 
unless the reeir speaker position parameter is set to "SIDE". 
Nevertheless, each listening environment has many variables, 
like wall reflections, and you may obtain better results using 
"BEHIND" or "MIDDLE" if your speakers are located high above 
die listening position, even if they are to the immediate left and 
right.
Therefore, although it may result in a setting contrary to the 
"Rear speaker position" explanation, we recommend that you 
playback multi channel surround encoded software and listen to 
the effect each setting has on your listening environment. Choose 
the setting that provides a good sense of spaciousness and that 
best succeeds in forming a cohesive space between the surround 
sound from the rear speakers and the sound of the front speakers. 
If you are not sure which sounds best, select "BEHIND" and then 
use the speaker distance parameter and speaker level 
adjustments to obtain proper balance.
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