Software Installation
4-11
Audio
Audio settings control the audio output of DVDs/VCDs/SVCDs.
Audio output should be set to match the number of speakers you have,
or set to Headphones.
Audio profile determines the special processing used on the signal. The
choices available will vary with the machine configuration, but may include
Dolby Surround, CLMEI Surround, Stereo, DirectSound3D, and Dolby
Headphone, TruSurroundXT Headphone, CLHP (CyberLink Headphone).
Experiment with these settings to see which ones you prefer.
The Audio channel expander option expands the range of sound of
multi-speaker output. CLMEI (CyberLink Multi-channel Environment
Impression technology) is an audio channel expansion technology
developed by CyberLink that converts a stereo audio sound and outputs
to multiple channels. There are three variations: CLMEI-Movie for
watching movies, CLMEI-Music (Normal) for regular music output, and
CLMEI-Music (Onstage) for a more live sound.
If you select the Dolby Headphone audio mode, the Advanced audio
profile option becomes available. DH1 (Small Room) simulates a small,
well-damped private room appropriate for both movies and music. DH2
(Conference Room) simulates a more acoustically ”live” room particu-
larly suited for music listening. DH3 (Movie Theater) simulates a larger
venue, such as a concert hall or movie theater.
The Dynamic Range Compression section only applies to DVD-titles
with Dolby Digital technology. The Quiet Environment boosts all sounds
into the full dynamic range of Dolby Digital. If your listening environment is
not completely adequate to enjoy the full dynamic range of Dolby Digital,
select the Normal Environment. Audible effects that fall in the extreme
ranges of Dolby Digital’s audio spectrum will be compressed. If you are
using PowerDVD on a notebook, select Noisy Environment, which
amplifies low range audio signals.
Click the Restore default settings button to return your settings to their
default values.
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