LG BD640 Owner's Manual - Page 53

OUT or HDMI, Disc Menu button sounds of BD

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yy The audio is outputted as PCM 48 kHz/16 bit for MP3/WMA file and PCM 44.1kHz/16 bit for Audio CD while playback. yy The Dolby TrueHD audio recorded on some Bluray discs consists of Dolby Digital and TrueHD audio. Dolby Digital audio is output through DIGITAL AUDIO OUT jacks and "DD" displays on the screen if TrueHD audio is not output (for example, when [HDMI] is set to [PCM Stereo] and [Digital Output (SPDIF)] is set to [Primary PassThru]). yy You must select a digital audio output and a maximum sampling frequency that your Amplifier (or AV receiver) accepts using [Digital Output (SPDIF)], [HDMI] and [Sampling Freq.] options on the [Setup] menu (see page27). yy With digital audio connection (DIGITAL AUDIO OUT or HDMI), Disc Menu button sounds of BDROM may not be heard if the [Digital Output (SPDIF)] or [HDMI] option is set to [Primary PassThru]. yy If the audio format of the digital output does not match the capabilities of your receiver, the receiver will produce a strong, distorted sound or no sound at all. yy Multi-channel Digital Surround Sound via digital connection can only be obtained if your receiver is equipped with a Digital Multi-channel decoder. Appendix 53 6 Appendix BD651D-N_US_MP_BALCK.indd 53 2011-01-21 �� 4:58:23

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Appendix
53
Appendix
6
y
The audio is outputted as PCM 48 kHz/16 bit for
MP3/WMA file and PCM 44.1kHz/16 bit for Audio
CD while playback.
y
The Dolby TrueHD audio recorded on some Blu-
ray discs consists of Dolby Digital and TrueHD
audio. Dolby Digital audio is output through
DIGITAL AUDIO OUT jacks and “DD” displays on
the screen if TrueHD audio is not output (for
example, when [HDMI] is set to [PCM Stereo] and
[Digital Output (SPDIF)] is set to [Primary Pass-
Thru]).
y
You must select a digital audio output and
a maximum sampling frequency that your
Amplifier (or AV receiver) accepts using [Digital
Output (SPDIF)], [HDMI] and [Sampling Freq.]
options on the [Setup] menu (see page27).
y
With digital audio connection (DIGITAL AUDIO
OUT or HDMI), Disc Menu button sounds of BD-
ROM may not be heard if the [Digital Output
(SPDIF)] or [HDMI] option is set to [Primary Pass-
Thru].
y
If the audio format of the digital output does
not match the capabilities of your receiver, the
receiver will produce a strong, distorted sound
or no sound at all.
y
Multi-channel Digital Surround Sound via digital
connection can only be obtained if your receiver
is equipped with a Digital Multi-channel decoder.
BD651D-N_US_MP_BALCK.indd
53
2011-01-21
�� 4:58:23