Choosing the digital audio output mode

Virtual Surround selects an option for emulated surround sound from the TV speakers; see “Selecting virtual surround sound” on page 71.

Speaker turns the TV speakers on or off. You may want to turn off the TV speakers when you connect an optional external sound system; see “Understanding audio output” on page 71.

You must be watching a digital TV channel to access the Digital Audio option on the Audio menu. This option sets the format for the signal provided on the Digital (Optical) Audio Output connector on the rear of the TV: Dolby Digital or PCM. Select PCM if your external digital audio system does not support surround sound; see “Understanding audio output” on page 71.

Selecting virtual surround sound

You can enjoy emulated surround sound from the TV speakers. To do so, for the Virtual Surround option on the Audio menu, select the mode that you want to hear: Theater or Music Hall.

Understanding audio output

The input source signal and the Audio menu settings for Digital Audio and Speaker determine the type of audio output that you hear from the TV speakers, or from the external sound system that is connected to the TV.

For example, if you connect an external sound system by using the Digital (Optical) connector, you hear digital sound from the connected external audio system when you watch a digital TV program. The format of the digital signal that the TV provides depends on the Digital Audio setting (Dolby Digital or PCM).

This TV does not support Dolby Digital audio input over HDMI. When connecting a set-top box, DVD player, or other device by means of HDMI, set the device audio output to PCM format.

When you view MediaSmart as the input source (for example, when using digital media through the Media button), the digital output depends on the source media.

The following table shows the audio output dependencies and the resulting output.

Changing the TV Settings

	Audio output at		Audio output
	TV speakers	Audio output at Digital	at Analog L
Input source	(Audio menu/	(Optical) connector	and R
Input source	Speaker: On)	(Audio menu/Digital Audio)	connectors

TV tuner, analog channel	Stereo 2-channel	PCM	Stereo 2-channel

TV tuner, digital channel	Stereo 2-channel	PCM or Dolby Digital	Stereo 2-channel

HDMI, PCM format	Stereo 2-channel	None	Stereo 2-channel

HDMI, Dolby Digital	None	None	None
format

Component	Stereo 2-channel	PCM	Stereo 2-channel

AV (S-Video or Video)	Stereo 2-channel	PCM	Stereo 2-channel

PC Audio	Stereo 2-channel	PCM	Stereo 2-channel

MediaSmart (Media	Stereo 2-channel	PCM or Dolby Digital	Stereo 2-channel
button)

Changing the TV Settings 71

SL4282N 42 inch specifications

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HP SL4282N 42 inch manual Choosing the digital audio output mode, Selecting virtual surround sound

Models: SL4282N 42 inch