Appendix: Additional Operating Modes
for the Home Theater Standard 7.1, continued
USER SELECTABLE MODES
Dolby Pro Logic II Modes
THX and
THX Surround EX
Modes
User selectable modes available on the Home Theater Standard 7.1 are listed below:
DOLBY PRO LOGIC II
Dolby Pro Logic II is the next generation in Dolby Surround decoding. The Pro Logic II decoder takes 2 channels in and 5 channels out. It is designed specifically to decode all existing Dolby Surround pro- grams with improved spatiality and directionality. Pro Logic II is also designed for use with unencoded stereo music recordings. This fea- ture draws the listener into a
There are 4 modes in which the Pro Logic II decoder can operate: movie mode (DOLBY PLII MOVIE), music mode (DOLBY PLII MUSIC), matrix mode (DOLBY PLII MATRIX), and Pro Logic mode (DOLBY PRO LOGIC):
DOLBY PLII MOVIE
The movie mode is the improved counterpart to the original Pro Logic decoder. It is the choice for the majority of Dolby Surround encoded material.
DOLBY PLII MUSIC
The music mode is for use with unencoded stereo music recordings. The music mode features dimension and center width controls, see PLII Control, on page 55, to enhance the music surround experi- ence.
DOLBY PLII MATRIx
The matrix mode is useful for monaural recordings.
DOLBY PRO LOGIC
The Dolby Pro Logic mode provides the same surround processing as the original Pro Logic and is best used with source content that is not of optimum quality.
THX
THX post processing can be added to Dolby Surround, Dolby Digital, and DTS encoded material, and includes the following algorithms:
—
—Timbre Matching matches the tone of your front loudspeakers to your surround loudspeakers.
—Adaptive Decorrelation gives a stereo feel when your surround source is mono. Adaptive Decorrelation automatically switches off when the surround source is stereo.
—Bass Management Electronic Crossover allows you to use more compact,
76 | Krell Home Theater Standard 7.1 |
