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| THX 5.1 | This effect provides THX 5.1 Cinema enhancements for film soundtracks | ||||
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| recorded in the Dolby Digital format. This processing compensates for the | |||
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| acoustical differences between large mixing theaters and the typically | |||
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| smaller home environment. In this effect the side and rear speakers are | |||
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| driven in parallel when you designate side speakers as STANDARD | |||
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| (LARGE or SMALL) in the Speaker Configuration menu. | |||
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| In software Version 4, when SIDE and REAR speakers are selected in the | |||
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| SPEAKER CONFIGURATION menu, SURROUND EX is automatically set | |||
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| to ON for proper decoding of SURROUND EX soundtracks. | |||
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| Parameter | Initial Value | Range | |
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| SURROUND EX (V4 only) | ON | ON, OFF | |
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| COMPRESSION | OFF | AUTO, ON, OFF | |
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| ON | ON, OFF | ||
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| LFE MIX LEVEL | +0.0dB | ||
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| SUBWOOFER LVL | +00dB | OFF, | |
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| CUSTOM |
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AC-3 Effect Parameters
BASS ENHANCE derives stereo bass to provide low frequencies that are noticeably less localizable and more spacious in the playback room.
Note that results will vary depending on room acoustics and the low frequency capacity of the surround speakers. As side and/or rear speakers are used for bass enhancement, the effectiveness is improved with speakers capable of reproducing reproducing low frequencies (LARGE). Using speakers that are not capable of producing low frequencies (<80Hz) may cause damage to them.
CENTER DLY SAMPLES adjusts the time offset of the center channel. The appropriate value is +0 unless you know that the center channel is not properly timed, as well as the amount by which it is off.
CENTER MIX adjusts the level of the center channel applied to the two- channel downmix. The appropriate value for film is 16. The appropriate value for music is 11.
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