PARA_ERROR(WAV_HEADER_SUCCESS, "successfully read wave header"), \
PARA_ERROR(NO_DELAY, "no initial delay"), \
PARA_ERROR(DELAY_TIMEOUT, "initial delay timeout"), \
PARA_ERROR(WAV_HEADER_SUCCESS, "successfully read wave header"), \
PARA_ERROR(NO_DELAY, "no initial delay"), \
PARA_ERROR(DELAY_TIMEOUT, "initial delay timeout"), \