0 a method of communication or discussion that is not direct or made public:
1 to communicate or take part in discussions in a way that is not direct or made public:
He was asked about his role in backchannelling between the two governments.
The study showed that speakers often signaled their comprehension by backchannelling.
A typical backchannel can display the chat transcript, inline pictures and voting.
Occasionally backchannel provides audience members a chance to fact-check the presentation.
The term backchannel generally refers to online conversation about the conference topic or speaker.
Backchannel communication is present in all cultures and languages, though frequency and use may vary.
Aside from the normal discussion, a backchannel can also be used for note taking, asking questions, offering suggestions on different topics, and sharing resources with other students and faculty members.
The secondary channel of communication (or backchannel) is that of the listener which functions to provide "continuers" or "assessments", defining a listener's comprehension and/or interest.
The data is then sent to the remote modem using an error-free link which requires considerably less backchannel overhead, invisibly stripping it off again at the far end.
The absence, however, of any encouraging response from his interlocutors, even the minimal one of backchannel, indicates how unsuccessful he is in giving his advice.
