  This paper describes the systems submitted by the department of electronic
engineering, institute of microelectronics of Tsinghua university and
TsingMicro Co. Ltd. (THUEE) to the NIST 2019 speaker recognition evaluation CTS
challenge. Six subsystems, including etdnn/ams, ftdnn/as, eftdnn/ams, resnet,
multitask and c-vector are developed in this evaluation.
