Vero 4k+ DTS-MA 5.1 audio upscaled to 7.1 by default?

[darwindesign]

There is a guide to cover how to configure the audio which you can read here…

Audio hardware and software configuration

This wiki article should cover all your general questions about how to connect up your OSMC device to get the best audio possible. There’s also a section with explanations of some of Kodi’s audio settings as well as information about the audio capabilities of our OSMC devices. Supported devices OSMC supports a range of devices: All Raspberry Pis and our own Vero series (Vero 1, Vero 2, Vero 4K, Vero 4K + and Vero V). Veros have an HDMI port for video and audio, a 3.5mm port for analogue au…

What your likely wanting to do is turn on passthrough audio so your AVR is getting the soundtrack directly instead of Kodi decoding it and outputting it to an LPCM stream.

Also are you sure that Kodi is actually remixing a 5.1 to 7.1 as I don’t think that is something it can actually do. Perhaps you have your AVR set such that it is using DTS Neural:X, DTS Virtual:X, one of the Dolby formats that act similar when it sees a Multichannel PCM signal come in.