Operation

Surround Mode Chart

MODE

FEATURES

DELAY TIME RANGE

 

 

 

DOLBY DIGITAL

Available only with digital input sources encoded with Dolby Digital data. It provides

Center: 0 - 30ft / 9m

 

up to five separate main audio channels and a special dedicated Low Frequency Effects

Initial Setting: 12ft / 3.6m

 

channel.

Surround: 0 - 30ft / 9m

 

 

Initial Setting: 10ft / 3m

 

 

 

DOLBY DIGITAL EX

Available when the receiver is configured for 6.1/7.1 channel operation, Dolby Digital EX is the

Center: 0 - 30ft / 9m

 

latest version of Dolby Digital. When used with movies or other programs that have special

Initial Setting: 12ft / 3.6m

 

encoding, Dolby Digital EX reproduces specially encoded soundtracks so that a full 6.1/7.1

Surround: 0 - 30ft / 9m

 

soundfield is available. When the receiver is set for 6.1/7.1 operation and a Dolby Digital signal is

Initial Setting: 10ft / 3m

 

present, the EX mode is automatically selected. Even if specific EX encoding is not available to

Surround Back: 0 - 30ft / 9m

 

provide the additional channel, the special algorithms will derive a 6.1/7.1 output.

Initial Setting: 10ft / 3m

 

 

 

DTS 5.1

When the speaker configuration is set for 5.1-channel operation, the DTS 5.1 mode is

Delay time not adjustable

 

available when DVD, audio-only music or laserdiscs encoded with DTS data are played.

 

 

DTS 5.1 provides up to five separate main audio channels and a special dedicated

 

 

low-frequency channel.

 

 

 

 

DTS-ES 6.1 Matrix

When the speaker configuration is set for 6.1/7.1 operation, playback of a DTS-encoded program

Delay time not adjustable

DTS-ES 6.1 Discrete

source will automatically trigger the selection of one of the two DTS-ES modes. Newer discs with

 

 

special DTS-ES discrete encoding will be decoded to provide six discrete, full-bandwidth channels

 

 

plus a separate low-frequency channel. All other DTS discs will be decoded using the DTS-ES Matrix

 

 

mode, which creates a 6.1-channel sound field from the original 5.1-channel soundtrack.

 

 

 

DOLBY PRO LOGIC II Dolby Pro Logic II is the latest version of Dolby Laboratory’s benchmark surround technology

Center: 0 - 30ft / 9m

MOVIE

that decodes full-range, discrete left, center right, right surround and left surround channels

Initial Setting: 12ft / 3.6m

MUSIC

from matrix surround encoded programs and conventional stereo sources when

Surround: 0 - 30ft / 9m

EMULATION

an analog input or a digital input with PCM or Dolby Digital 2.0 recordings is in use. The

Initial Setting: 10ft / 3m

 

Dolby Pro Logic II Movie mode is optimized for movie soundtracks that are recorded with matrix

 

 

surround, by creating separate center, rear left and rear right signals. while the Pro Logic II Music

 

 

mode should be used with musical selections that are recorded with matrix surround or even with

 

 

normal stereo mode, creating separate rear left and rear right signals

 

 

in any case. The Pro Logic II Emulation mode creates compelling five-channel surround sound from

 

 

conventional stereo recordings.

 

 

 

 

Logic 7 Cinema

Exclusive to Harman Kardon for AV receivers, Logic 7 is an advanced mode that extracts the

Delay time not adjustable

Logic 7 Music

maximum surround information from either surround-encoded programs or conventional stereo

 

Logic 7 Enhance

material. Depending on the number of speakers in use and the selection made in the SURROUND

 

 

SELECT menu, the “5.1” versions of Logic 7 modes are available when the 5.1 option is chosen,

 

 

while the “7.1” versions of Logic 7 produce a full sound field presentation, including back surround

 

 

speakers when the “6.1/7.1” option is chosen. The Logic 7 C (or Cinema) mode should be used

 

 

with any source that contains Dolby Surround or similar matrix encoding. Logic 7 C delivers

 

 

increased center-channel intelligibility, and more accurate placement of sounds with fades and pans

 

 

that are much smoother and more realistic than with former decoding techniques. The Logic 7 M or

 

 

Music mode should be used with analog or PCM stereo sources. Logic 7 M enhances the listening

 

 

experience by presenting a wider front soundstage and greater rear ambience. Both Logic 7 modes

 

 

also direct low-frequency information to the subwoofer (if installed and configured) to deliver

 

 

maximum bass impact. The Logic 7 E (or Enhance) mode is an extension of the Logic 7 modes that is

 

 

primarily used with musical programs and is available with the 5.1 surround mode option selected

 

 

only. Logic 7 E adds additional bass enhancement that circulates low frequencies in the 40Hz to 120Hz

 

range to the front and surround speakers to deliver a less localized soundstage that appears broader

 

 

and wider than when the subwoofer is the sole source of bass energy.

 

 

 

 

DTS Neo:6 Cinema

These two modes are available when any analog source is playing to create a six-channel

Delay time not adjustable

DTS Neo:6 Music

surround presentation from conventional Matrix-encoded and traditional Stereo sources. Select

 

 

the Cinema version of Neo:6 when a program with any type of analog Matrix surround encoding

 

 

is present. Select the Music version of Neo:6 for optimal processing when a nonencoded,

 

 

two-channel stereo program is being played.

 

 

 

 

OPERATION 29

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Harman-Kardon AVR 5550 owner manual Operation, Surround Mode Chart

AVR 5550 specifications

The Harman-Kardon AVR 5550 is a highly regarded audio/video receiver that embodies a perfect blend of power, performance, and versatility. Designed for the discerning home theater enthusiast, this model delivers a remarkable audio-visual experience with its robust set of features and cutting-edge technologies.

One of the standout characteristics of the AVR 5550 is its impressive power output. With 100 watts per channel across seven channels, it is capable of driving a wide range of speakers with clarity and authority. The amplifier section employs Harman-Kardon's legendary technology to ensure low distortion and a dynamic listening experience. This level of power allows users to experience immersive sound in their home theaters, making it ideal for movie nights and music playback alike.

Equipped with a variety of connectivity options, the AVR 5550 is designed to integrate seamlessly with modern audio and video sources. The receiver features numerous HDMI inputs to accommodate multiple devices, including Blu-ray players, gaming consoles, and streaming devices. Additionally, it provides optical and coaxial digital inputs, as well as analog inputs for older equipment. This comprehensive set of connectivity options ensures that users can enjoy a wide range of media without the hassle of frequently switching cables.

The AVR 5550 also includes advanced surround sound processing technologies, like Dolby Digital and DTS, which contribute to its ability to create an enveloping soundstage. The integration of Harman-Kardon’s own Logic 7 technology enhances the audio experience by utilizing multi-channel processing to extract the best sound from stereo and multi-channel sources alike.

In terms of design, the AVR 5550 sports a sleek, modern aesthetic that fits well into any home theater setup. The intuitive user interface and remote control make it easy for users to navigate settings and choose their desired audio modes. The receiver also features a built-in AM/FM tuner, expanding its functionality beyond just home theater use.

Lastly, the AVR 5550 emphasizes user-friendly features such as on-screen displays and programmable presets, allowing personal preferences to be easily adjusted. Whether for casual listening or full-fledged cinematic experiences, the Harman-Kardon AVR 5550 stands out as a dependable and high-quality option that caters to all audiovisual needs. Its fusion of power, versatility, and advanced technologies makes it a favorite among audio enthusiasts around the world.