# CNF.CONFERENCE_ATTR

Dependent function: cnfSetConferenceAttribute

Field name | Type | Default | Units | Description
--- | --- | --- | --- | ---
num_loudest | DWORD | 3 | Member | Number of members selected for building the conference's output signal. Recommended values are 3 - 5.
event_mask | DWORD | 0 | Mask | Mask used to determine which events NaturalConference generates for the conference. Valid values are: 0 CNF_EVNMSK_ACTIVE_TALKERS_CHANGE CNF_EVNMSK_TONE_DONE
active_talkers | DWORD | 3 | Member | Number of members retained for building the list of active talkers and generating CNFEVN_ACTIVE_TALKERS_CHANGE if a change occurs. Recommended values are 3 - 5.
active_talkers_timer | DWORD | 1000 | ms | Time NaturalConference waits between sending two CNFEVN_ACTIVE_TALKERS_CHANGE events. Valid range is 100 - 60000.