For 1 they actually addressed that:
The system then translates the speech and maintains the expressive qualities and volume of each speaker’s voice while running on a device, such mobile devices with an Apple M2 chip like laptops and Apple Vision Pro. (The team avoided using cloud computing because of the privacy concerns with voice cloning.) Finally, when speakers move their heads, the system continues to track the direction and qualities of their voices as they change.
For 1 they actually addressed that: The system then translates the speech and maintains the expressive qualities and volume of each speaker’s voice while running on a device, such mobile devices with an Apple M2 chip like laptops and Apple Vision Pro. (The team avoided using cloud computing because of the privacy concerns with voice cloning.) Finally, when speakers move their heads, the system continues to track the direction and qualities of their voices as they change.