* @brief Set the decoding method of translating the network output into string
* @param[in] decodeType The decoding method of translating the network output into string: {'CTC-greedy': greedy decoding for the output of CTC-based methods}
* @param[in] decodeType The decoding method of translating the network output into string, currently supported type:
* - `"CTC-greedy"` greedy decoding for the output of CTC-based methods
* - `"CTC-prefix-beam-search"` Prefix beam search decoding for the output of CTC-based methods