Creating realistic sound fields
Reproducing theatre ambience
In a movie theatre, many speakers are located on the walls to reproduce impressive
With these many speakers, sound localization and sound movement can be expressed.
Surround/DSP modes built in this receiver can create almost the same Surround sound as you can feel in a real movie theatre.
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Introducing the Surround modes
■Dolby Digital*
Dolby Digital is a digital signal compression method, developed by Dolby Laboratories, and enables
•When Dolby Digital signal is detected through the digital input, the DOLBY D indicator lights up on the display.
Dolby Digital 5.1CH
Dolby Digital 5.1CH (DOLBY D) encoding method records and digitally compresses the left front channel, right front channel, center channel, left surround channel, right surround channel, and LFE channel signals (total 6 channels, but the LFE channel is counted as 0.1 channel. Therefore, called 5.1 channel).
Dolby Digital enables stereo surround sounds, and sets the cutoff frequency of the surround treble at 20 kHz, compared to 7 kHz for Dolby Pro Logic. As such, the sound movement and
Another digital surround encoding format introduced by Dolby Laboratories is Dolby Digital EX, which adds the third surround channels, called “surround back.”
Compared to the conventional Dolby Digital 5.1CH, these newly added surround back channels can reproduce more detailed movements behind you while viewing the video software. In addition, surround sound localization will become more stable.
•You can use Virtual Surround Back (see page 22) when playing back Dolby Digital Surround EX software. This function creates the great surround effect from the behind as if you have connected the surround back speaker. The VIRTUAL SB indicator lights up on the display.
