Checking the audio signal format 
You can check the audio signal format by pressing AUDIO repeatedly during playback. The format of the current audio signal (Dolby Digital, DTS, PCM, etc.) appears as shown below.
Example:
Dolby Digital 5.1 ch
Rear (L/R)
1:ENGLISH DOLBY DIGITAL 3 / 2 .1
Front (L/R) |
| LFE (Low Frequency |
+ Center |
| Effect) |
|
|
|
Example:
Dolby Digital 3 ch
2:SPANISH DOLBY DIGITAL 2 / 1
Front (L/R) |
|
|
| Rear | |
|
| (Monaural) |
|
|
|
About audio signals
Audio signals recorded in a disc contain the sound elements (channels) shown below. Each channel is output from a separate speaker.
•Front (L)
•Front (R)
•Center
•Rear (L)
•Rear (R)
•Rear (Monaural): This signal can be either the Dolby Surround Sound processed signals or the Dolby Digital sound’s monaural rear audio signals.
•LFE (Low Frequency Effect) signal
Note
If “DTS” is set to “OFF” in “AUDIO SETUP” (page 70) the DTS track selection option will not appear on the screen even if the disc contains DTS tracks.
TV Virtual Surround Settings (TVS) 
When you connect a stereo TV or 2 front speakers, TVS (TV Virtual Surround) lets you enjoy surround sound effects by using sound imaging to create virtual rear speakers from the sound of the front speakers (L: left,
R:right) without using actual rear speakers. TVS was developed by Sony to produce surround sound for home use using just a stereo TV.
This only works when playing a multichannel Dolby audio sound track. Furthermore, if the player is set up to output the signal from the DIGITAL OUT (OPTICAL or COAXIAL)/ HDMI OUT jack, the surround effect will only be heard when “DOLBY DIGITAL” is set to
ENTER
DISPLAY
1 Press DISPLAY twice during playback.
The Control Menu appears.
2 Press X/x to select 
(TVS), then press ENTER.
The options for “TVS” appear.
DVD VIDEO
OFF
OFF
TVS DYNAMIC THEATER
TVS DYNAMIC
TVS WIDE
TVS NIGHT
TVS STANDARD
3 Press X/x to select one of the TVS modes, the press ENTER.
See the explanations given for each item in the following section.
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