This function is only in Prosody version 1 (but see the conversion guide for further details, including a facility that emulates it).
int sm_conf_primix_start(struct sm_conf_primix_start_parms *confixp)
typedef struct sm_conf_primix_start_parms {
tSM_INT channel_ix; /* in */
tSM_INT volume; /* in */
tSM_INT agc; /* in */
} SM_CONF_PRIMIX_START_PARMS;
This is same as sm_conf_prim_start() except it specifies the channel using a channel index.
This function is part of the Prosody speech processing API.