AVR 132 - Harman Kardon Audio Service Manual (repair manual). Page 9

OPERATION

5-Channel Stereo

This mode takes advantage of multiple speakers to place a stereo signal at both the front and

No delay is available for 

back of a room. Ideal for playing music in situations such as a party, it places the same signal

this mode

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.

Surround Off (Stereo)

These modes turn off all surround processing and present the pure left- and right-channel 

No surround channels 

Surround Off (Bypass)  presentation of two-channel stereo programs. The Surround Off (Bypass) mode may only be 
DSP Surround Off 

used with analog source inputs, as it preserves the analog format of the audio signal for its 
entire path of travel through the receiver to the speaker and subwoofer outputs, bypassing 
all digital processing. Digital bass management is not available in Surround Off mode. The 
DSP Surround Off mode can be used with either an analog or digital input, as the signal 
undergoes digital bass management to optimize the distribution of the low frequencies 
between the main speakers and a subwoofer.

Dolby Virtual Speaker Dolby Virtual Speaker technology uses a next-generation advanced algorithm to reproduce the 

No surround channels

Reference

dynamics and surround sound effects of a precisely placed 5.1-channel speaker system using only 

Wide

front left and right speakers. In the Reference Mode, the apparent width of the sound across 
the front image is defined by the distance between the two speakers. The Wide Mode 
provides a wider, more spacious front image when the two speakers areclose together.

Dolby Headphone 

Dolby Headphone enables ordinary stereo headphones to portray the sound of a five-speaker 

No surround channels

DH

surround-playback system.

29782_AVR132_ENG_sort  10/08/06  16:45  Side 23