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Dolby* Digital
e rec ommended audio format for HDTV is Dolby® Digital.
Your DIRECTV HD Receiver is capa ble of reproducing 5.1-encoded audio: fi ve discrete ch annels of
full-range digita l audio, plus one channel of low-frequency (subwoofer) audio, for use by A/V receivers
capable of decoding the 5.1-channel signal. e audio signals a re broken into left-front, center, right-
front, left-rear, right-rear and low-frequency channels. e result, when your DIREC TV® HD Receiver
is connected to a compatible Dolby Digital A/ V receiver and 5.1 channel speaker setup, is an ex perience
that gives you much of the dynamic ran ge, 360-degree imaging and son ic excitement of a real theater.
Not all TV programs deliver 5.1 channel si gnals, and not all programs are broadc ast using Dolby
Digital for DIRECTV prog ramming. Programs using thi s high-quality audio standa rd are indicated by
the words Dolby Digital in the program de scription in the Channel Banner (see page 13) and the Guide
(see pa ge 15).
To change the Digital Audio format, press MENU, selec t Settings, then select Setup. Select Audio in the
left menu. Highlight the Dolby Digital tab and press SELECT, then follow the onscreen inst ructions
and select from the following options:
4 On: Turns on Dolby Digital audio ouput. (Note: True Dolby Digital is only available via HDMI or
optical outputs.
4 Off: Select this option to tu rn off Dolby Digital Audio output.
* Dolby is a registered trad emark of Dolby Laborator ies.
Note
What is 5.1
Audio?
It’s 5 channels
of audio for
theater-style
sound, plus a
subwoofer for
heart-pounding
bass.
Go ahead. Try
this at home.