![]() ![]() Center spread allowed the listener to preserve stereo imaging from the front channels for 2CH sources. The DSU was suited for music and cinema and worked best for 2CH music when a feature called "Center spread" was enabled. ![]() ![]() Dolby updated their upmixer when Atmos was released, replacing PLIIx Music and Cinema modes for what they called the Dolby Surround Upmixer (DSU). We discussed how the "center spread" feature in the Dolby Surround Upmixer (DSU) has been taken out of the new 2020 AV Atmos AV receivers. In May 2020 we released the article, Dolby Eliminates Key Feature for Enhancing 2CH Music, and subsequently, in June we released our Youtube video Dolby Atmos Center Spread Update for AV Receivers. But what we like most about this update is the restoration of a key feature that Dolby pulled off their licensing agreement over a year ago when they introduced height virtualization. This round of firmware updates for Denon/Marantz mark some key upgrades to home theater enthusiasts going beyond a 7.1.4 speaker layout. Sound United listened and as a result all of their new 2020 models with preouts now have that feature! We also pleaded with manufacturers to offer a preamp mode on their models with preamp outputs to assure a purer connection for users wanting to bypass the amp sections in their AV receivers in favor of more powerful, higher quality external amplification. Lately, the majority of them have dealt with integrating the latest version or format of immersive audio into your receiver like Auro 3-D which we often push for in our articles on receivers that don't have it. Sound United has released information on their latest firmware update for their top-end Marantz and Denon A/V Receivers due out this November 11th, 2020. ![]()
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