Harman-Kardon AVR1550 owner manual Surround Mode Chart, Operation, Features

Operation

Surround Mode Chart

MODE FEATURES DELAY TIME RANGE

DOLBY DIGITAL	Available only with digital input sources encoded with Dolby Digital data. It provides
	up to five separate main audio channels and a special dedicated Low Frequency Effects
	channel.

Center: 0 ms – 5 ms Initial Setting – 0 ms Surround: 0 ms – 15 ms Initial Setting – 0 ms

DTS	Available only with digital input sources encoded with DTS data. Available on special	Delay time not adjustable
	DVD, LD and audio-only discs, DTS provides up to five separate main audio channels and
	a special dedicated low frequency channel.
DOLBY PRO LOGIC II Dolby Pro Logic II is the latest version of Dolby Laboratory's benchmark surround technology that		Movie and Emulation:
	creates or decodes full range, discrete left, center, right, right surround and left surround channels	10 ms - 25 ms,
	from either matrix surround encoded programs and conventional stereo sources. The Dolby	Initial Setting - 10 ms,
	ProLogic II Movie mode is optimized for movie soundtracks that are recorded with matrix	Music:
	surround, by creating true rear left, center and right signals. The ProLogic II Music mode	0 ms - 15 ms,
	should be used with musical selections, that are recorded with matrix surround or with normal	Initial Setting - 0 ms
	stereo mode, creating discrete rear left and right signals. The ProLogic II Emulation mode creates
	compelling five-channel surround from conventional stereo recordings.
DOLBY 3 STEREO	Uses the information contained in a surround encoded or two channel stereo program to	No surround channels
	create center channel information. In addition, the information that is normally sent to the
	rear channel surround speakers is carefully mixed in with the front left and front right
	channels for increased realism. Use this mode when you have a center channel speaker
	but no surround speakers.
THEATER	The THEATER mode creates a sound field that resembles the acoustic feeling	Delay time not adjustable
	of a standard live performance theater, with stereo and even pure mono sources.
HALL 1	The two Hall modes create sound fields that resemble a small (HALL 1) or	Delay time not adjustable
HALL 2	medium sized (HALL 2) concert hall, with stereo and even pure mono sources.

5-Channel Stereo	This mode takes advantage of multiple speakers to place a stereo signal at both the front and
	back of a room. Ideal for playing music in situations such as a party, it places the same signal
	at the front-left and surround-left, and at the front-right and surround-right speakers. The center
	channel is fed a summed mono mix of the in-phase material of the left and right channels.

No delay is available for this mode

SURROUND	This mode turns off all surround processing and presents the pure left and right	No surround channels
OFF (STEREO)	channel presentation of two channel stereo programs.

20OPERATION