You don't have to talk aloud to objects; just direct your attention to them.

Lately he had been talking aloud to himself far too much.

There was a moment's silence, then he began talking aloud to himself.

After a time, he began to talk aloud, just to hear a voice.

He will talk aloud, using a language all his own.

He would soon begin to talk aloud, not only to the birds but to himself as well.

While walking through the park or talking aloud in the shower.

"Is it going to be safe talking aloud in this place?"

She stood on the porch talking aloud to no one.

At this moment he seemed to be talking aloud to himself.