This mode detects the type of input digital signal, and automatically selects the corresponding mode for playback.
Perform stereo playback when the input signal is PCM. When the input signal is Dolby Digital or DTS, the music is played back according to the respective channel number.

Press PURE to select “Auto”.

Auto surround playback begins.

This can also be set by pressing PURE DIRECT on the main unit.

Description of sound mode types

Dolby sound mode

Sound mode type	Description
Dolby PL x∗1	This mode can be selected when the Dolby PL x decoder is used to play back 2-channel sources in 6.1/7.1-channel surround sound including the surround back channel(s). By adding the surround back channel(s), a more enveloping surround environment is produced, compared to Dolby Pro Logic . There are three playback modes: “Cinema” mode that is optimized for movie playback, “Music” mode that is optimized for music playback, and “Game” mode that is optimized for game play.
Dolby PL	This mode can be selected when the Dolby PL decoder is used to play back 2-channel sources in 5.1-channel surround sound with an enveloping surround sound experience.
Dolby PL z∗2	This mode can be selected when the Dolby PL z decoder is used to play back 2-channel sources in 7.1-channel surround sound with added front height channels. By adding front height channels, the front soundstage becomes dramatically taller, simulating the effect of listening in a large movie theater or concert hall.
Dolby Digital	This mode can be selected when playing sources recorded in Dolby Digital.
Dolby Digital EX∗1	Using the Dolby Digital EX decoder, this mode plays Dolby Digital sources in 6.1/7.1-channel surround sound with added surround back channel(s). By adding surround back speaker(s), sounds can be heard coming at you from behind and not just from the sides.
Dolby TrueHD	This mode can be selected when playing sources recorded in Dolby TrueHD.
Dolby Digital Plus	This mode can be selected when playing sources recorded in Dolby Digital Plus.

This can be selected when “Speaker Config.” - “Surr. Back” is not set to “None”. link

This can be selected when “Speaker Config.” - “Front Height”link is not set to “None”.

DTS sound mode

Sound mode type	Description
DTS Neo:6	This mode can be selected when the DTS Neo:6 decoder is used to play back 2-channel sources in 6.1/7.1-channel surround sound including the surround back channel(s). There are two playback modes: “Cinema” mode that is optimized for movie playback, “Music” mode that is optimized for music playback.
DTS Surround	This mode can be selected when playing sources recorded in DTS.
DTS ES Dscrt6.1∗	This mode is suitable for playing discs recorded in DTS-ES. The surround back channel added using the discrete method is played as an independent channel. Since all channels are independent, the 360-degree spacial expressiveness and sound localization are enhanced.
DTS ES Mtrx6.1∗	This mode is suitable for playing discs recorded in DTS-ES. The surround back channel added to the surround-left and surround-right channels by a matrix encoder at software recording time is decoded by this unit’s matrix decoder and played from each channel (surround left, surround right, surround back).
DTS 96/24	This mode can be selected when playing sources recorded in DTS 96/24.
DTS-HD	This mode can be selected when playing sources recorded in DTS-HD.
DTS Express	This mode can be selected when playing sources recorded in DTS Express.

This can be selected when “Speaker Config.” - “Surr. Back” is not set to “None”. link

PCM multi-channel sound mode

Sound mode type	Description
Multi Ch In	This mode can be selected when playing multi-channel PCM sources.

Original sound mode

Sound mode type	Description
Multi Ch Stereo	This mode is for enjoying stereo sound from all speakers. Stereo audio (2-channel) sources are played back via the front (L/R) speakers, the surround speakers and surround back speakers (if connected).
Virtual	This mode lets you experience an expansive surround sound effect when playing back through just the front (L/R) speakers only, and when listening with stereo headphones.

Auto sound mode

Sound mode type	Description
Auto	In this mode, the type of digital signal input, such as Dolby Digital, Dolby TrueHD, Dolby Digital Plus, Dolby Digital EX, DTS, DTS-HD, DTS-ES, PCM (multi-channel) is detected, and the playback mode switches automatically to the corresponding mode. If the input signal is analog or PCM (2-channel), stereo playback is used. For Dolby Digital or DTS, the music is played back according to the respective channel number.

Sound mode type

Description

Auto

In this mode, the type of digital signal input, such as Dolby Digital, Dolby TrueHD, Dolby Digital Plus, Dolby Digital EX, DTS, DTS-HD, DTS-ES, PCM (multi-channel) is detected, and the playback mode switches automatically to the corresponding mode.
If the input signal is analog or PCM (2-channel), stereo playback is used. For Dolby Digital or DTS, the music is played back according to the respective channel number.

Stereo sound mode

Sound mode type	Description
Stereo	This mode plays 2-channel stereo audio with no additional surround sound processing. Sound is output from the front left and right speakers, and subwoofer if connected. When multi-channel signals are inputted, they are mixed down to 2-channel audio and are played back with no additional surround sound processing.

Direct sound mode

Sound mode type	Description
Direct	This mode plays back audio as recorded in the source.
Pure Direct	This mode plays back an even higher quality sound than the “Direct” mode. The following circuits are stopped in order to further improve sound quality. Display indicator circuit of the main body (display will go off.) The analog video input/output switcher and processor is disabled.

Sound mode that can be selected for each input signal

The following sound modes can be selected using the MOVIE, MUSIC and GAME buttons.

Adjust the sound field effect with the menu “Surround Parameter” to enjoy surround sound the way you like it. link

Input signal	Sound mode	MOVIE button	MUSIC button	GAME button
2-channel ∗1	Stereo
	Dolby PL / x Cinema ∗2
	Dolby PL / x Music ∗2
	Dolby PL / x Game ∗2
	Dolby PL z ∗2
	DTS Neo:6 Cinema ∗2
	DTS Neo:6 Music ∗2
	Multi Ch Stereo
	Virtual

2-channel also includes analog input.

This mode plays back 2-channel sources in 5.1 or 7.1-channel playback. It cannot be selected when headphones are used or when the speaker configuration is front speakers only.

Input signal		Sound mode
Multi-channel ∗3		Stereo
	Dolby Digital	Dolby Digital
		Dolby Digital EX
		Dolby Digital + PL x Cinema
		Dolby Digital + PL x Music
		Dolby Digital + PL z
	Dolby TrueHD	Dolby TrueHD
		Dolby TrueHD + EX
		Dolby TrueHD + PL x Cinema
		Dolby TrueHD + PL x Music
		Dolby TrueHD + PL z
	Dolby Digital Plus	Dolby Digital Plus
		Dolby Digital Plus + EX
		Dolby Digital Plus + PL x Cinema
		Dolby Digital Plus + PL x Music
		Dolby Digital Plus + PL z
	DTS	DTS Surround
		DTS ES Dscrt 6.1
		DTS ES Mtrx 6.1
		DTS 96/24
		DTS + PL x Cinema
		DTS + PL x Music
		DTS + PL z
		DTS + Neo:6

The sound mode that can be selected differs depending on the audio format of the input signal and the number of channels. For details, see Types of input signals, and corresponding sound modeslink.

Input signal		Sound mode
	DTS-HD/ DTS Express	DTS-HD HI RES
		DTS-HD MSTR
		DTS Express
		DTS-HD + PL x Cinema
		DTS-HD + PL x Music
		DTS-HD + PL z
		DTS-HD + Neo:6
	PCM multi-channel	Multi Ch In
		Multi Ch In 7.1
		Multi In + Dolby EX
		Multi In + PL x Cinema
		Multi In + PL x Music
		Multi In + PL z
Multi-channel ∗3		Multi Ch Stereo
		Virtual

The sound mode that can be selected differs depending on the audio format of the input signal and the number of channels. For details, see Types of input signals, and corresponding sound modeslink.