"briefly talking" is correct and can be used in written English.
You can use it when you want to make a succinct statement, such as "Briefly talking, the project was a success."
After briefly talking with Bannon and Ingraham, Miller retreated to the kitchen, where he snacked on desserts away from the limelight — just as he prefers to be.
That's what they are doing all the time, thinking about something briefly, talking about it at slightly greater length and then writing it down.
Amid the montage, Mrs. Lazio appears briefly, talking directly into the camera, before the commercial returns to images of Mr. Lazio campaigning.
Video of the encounter, repeatedly aired on television, shows the 79-year-old emperor calmly taking the letter, written on a folded "washi" paper with ink and brush, and briefly talking with Yamamoto.
One of them is him briefly talking about an "ancient and magical keyword," that being the word "phydre".
So I want to end by briefly talking with you about what I believe is the most urgent project before us at this moment in a country that is as fractured and divided as I've ever seen it in my lifetime.
He will also briefly talk about Approximating Pi and Four ISIS Studies, both electroacoustic pieces from 2003-08.
At the Palestine, McCoy briefly talked with reporters in the manager's office.
Yet the prisoners could briefly talk to each other and gradually got permission to study.
Toward the end of this chapter, bookmarks will be discussed and in the end we will briefly talk about the threat that browsers pose toward the users.
Jack asks how his cousin & Ray are doing and they briefly talk about the pain of the past year.
