Generally you have features like this built-in to AV receivers and sound processors but to be honest it sounds bad in a normal room.
Having speaker pairs firing identical output towards each other ruins the timing & soundstage. Upmixing is only useful for large rooms that are full of people without overpowering one side/end of the room.
Having speaker pairs firing identical output towards each other ruins the timing & soundstage. Upmixing is only useful for large rooms that are full of people without overpowering one side/end of the room.
