![]() ![]() (Auro-3D can be configured for 5.1.6, but I did not test that this time through.) On the other hand, although it fills more speakers with sound, DSU only actually decodes height information as a single stereo signal, using the entire left side of the room (all speakers) as one channel and the entire right side of the room as the other, with no distinction between front and rear. Both Neural:X and Auro-3D are limited to 7.1.4 processing, ignoring the Top Middle speakers. Of the three upmixers, only DSU utilizes all three height pairs. ![]() ![]() Then I performed an Audyssey calibration to adjust the volume levels and apply EQ. The TestĪfter installing the X8500H, I configured the receiver for 7.1.6 format, designating my three pairs of height speakers as Front Height, Top Middle, and Rear Height respectively. Not only did I want to check that out for myself, the X8500H affords me a couple of advantages that Michael didn’t have at the time: 1) I can run six height speakers in a 7.1.6 configuration rather than be restricted to 7.1.4, and 2) the X8500H also comes standard with the third-party Auro-3D upmixer, which was previously a $199 add-on expense (that I doubt many users paid for). Whether this is desirable may be a matter of personal opinion. Palmer made his own comparison between DSU and Neural:X, which suggested that Neural:X was more aggressive and louder in panning sound effects to the height speakers. Still, I’d been curious to see what the competition did differently.Ī couple years ago, our site’s Michael S. ![]() I didn’t have much complaint with this, as DSU generally does a good job. As such, in order to fill the height speakers in my room when playing a non-Atmos soundtrack, I had no choice but to use the Dolby Surround Upmixer (DSU). Its support for DTS upmixing was limited to Neo:6, which topped out at 7.1 channels of sound. In addition to being unable to decode actual DTS:X soundtracks (which defaulted to the DTS-HD Master Audio 7.1 core instead), the receiver also lacked the corresponding DTS Neural:X surround upmixer. My prior A/V receiver, the 2014 Denon AVR-X5200W, was a Dolby Atmos model released prior to the introduction of DTS:X. As part of my testing of the flagship Denon AVR-X8500H A/V receiver, I finally have access to all three of the competing immersive sound upmixer formats and was able to run a comparison to see exactly how they each work on a normal movie soundtrack. ![]()
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