System Setting 27

[AUDIO] Menu

Each disc has a variety of audio output options. Set the unit’s Audio options according to the type of audio system you use.

,,Note

Since many factors affect the type of audio output, see “Audio Output Specifications” on page 52 for details.

HDMI / Digital Output (SPDIF)

[PCM Stereo]

Select if you connect this unit’s HDMI OUT or DIGITAL AUDIO OUT jack to a device with two- channel digital stereo decoder.

[PCM Multi-Ch] (HDMI only)

Select if you connect this unit’s HDMI OUT jack to a device with multi-channel digital decoder.

[DTS Re-Encode]

Select if you connect this unit’s HDMI OUT or DIGITAL AUDIO OUT jack to a device with DTS decoder.

[Primary Pass-Thru]

Select if you connect this unit’s DIGITAL AUDIO OUT and HDMI OUT jack to a device with LPCM, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, DTS and DTS-HD decoder.

,,Note

yy When [HDMI] option is set to [PCM Multi- Ch], the audio may output as PCM Stereo if the PCM Multi-Ch information is not detected from HDMI device with EDID.

yy If the [HDMI] or [Digital Output (SPDIF)] option is set to [DTS Re-Encode], the DTS Re-Encode audio is outputted for BD-ROM discs with secondary audio and the original audio is outputted for the other discs (like [Primary Pass-Thru]).

Sampling Freq.

(Digital Audio Output)

[48 kHz]

Select this if your A/V Receiver or Amplifier is not capable of handling 192 kHz and 96 kHz signal. When this choice is made, this unit automatically converts any 192 kHz and 96 kHz signals to 48 kHz so your system can decode them.

[96 kHz]

Select this if your A/V Receiver or Amplifier is not capable of handling 192 kHz signals. When this choice is made, this unit

automatically converts any 192 kHz signals to 96 kHz so your system can decode them.

[192 kHz]

Select this if your A/V Receiver or Amplifier is capable of handling 192 kHz signals.

Check the documentation for your A/V Receiver or Amplifier to verify its capabilities.

DRC (Dynamic Range Control)

This function allows you to listen to a movie at a lower volume without losing clarity of sound.

[Auto]

The dynamic range of the Dolby TrueHD audio output is specified by itself.

And the dynamic range of the Dolby Digital and Dolby Digital Plus are operated as same as the [On] mode.

[On]

Compress the dynamic range of the Dolby Digital, Dolby Digital Plus or Dolby TrueHD audio output.

[Off]

Turns off this function.

,,Note

The DRC setting can be changed only when a disc is not inserted or the unit is in complete stop mode.

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System Setting

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LG Electronics BD640 owner manual Audio Menu, Hdmi / Digital Output Spdif, Sampling Freq Digital Audio Output