Sony STR-ZA810ES Manual page 156

Hint
You can also select [Sound Optimizer] in [Sound Effects] from the home menu.
[172] Adjusting Settings
Selecting a sound field (Sound Field)
You can select from a variety of sound field modes according to speaker connections or input
sources.
Select [Sound Effects] - [Sound Field] from the home menu.
1
Select the sound field you want.
2
For movies, a sound field labeled with [Movie] is recommended.
For music, a sound field labeled with [Music] is recommended.
Note
You cannot select sound fields in the following cases:
[Bluetooth Mode] is set to [Transmitter].
The Wireless Multi-Room function is activated.
When connecting headphones to the receiver, [Headphone(2ch)] is selected as a sound field
automatically.
The sound fields for movie and music may not work, depending on the input or the speaker pattern
you select, or with audio formats.
While playing music using Chromecast built-in, you can only select [Multi Ch Stereo] or [2ch Stereo]
by pressing 2CH/MULTI on the remote control or the receiver. You cannot select other sound fields.
The receiver may play signals at a lower sampling frequency than the actual sampling frequency of
the input signals, depending on the audio format.
Some speakers or the subwoofer may not output sound, depending on the sound field setting.
Hint
You can also use 2CH/MULTI, MOVIE, MUSIC or FRONT SURROUND on the remote control to
select a sound field. However, if the input other than [USB], [Bluetooth], [Home Network] and [Music
Service List] (when music is played back using Spotify Connect) is selected, [Audio Enhancer]
cannot be selected when you press MUSIC.
You can also select [Sound Field] in the [Audio Settings] menu.
[173] Adjusting Settings
Enjoying more natural sound with speakers installed
in the ceiling (In-Ceiling Speaker Mode)
Audio Settings
Audio Settings