I'm going to use an old wise saying, owned recently by Russ Hughes - There's more than one way to skin a cat This is where for my line of work, for future proofing, Halo wins hands down, with its 7.1.2 and Ambisonic capability. Unfortunately with all the examples, especially this last one, I got incredibly varying results in terms of compatibility. ![]() While preparing this analysis I also experimented with converting the output of these upmixers into Ambisonics, using the Facebook 360 tools now included with Pro Tools Ultimate. Otherwise, all three did a good job of spreading out the wide surround reverbs and background layers around the soundscape. I was careful to set the plug-ins to their film presets, as I was mindful of the importance of maintaining the correct imaging. Both Penteo and Halo upmix this as between rear left and front left. At the beginning of the piece in the original 5.1, the sobbing is panned hard front left. It's here where we start to see differences in the accuracy of the three plug-ins. This LtRt mix was then fed through our upmixers, all set to their "film" preset. ![]() Here the audio was originally mixed in 5.1, then folded down in Dolby Pro Logic 2 to an LtRt. This piece is an entirely different matter from the other four.
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