o i@s>ddlmZmZddlmZddlZGdddejjeZdS))ABCabstractmethod)TupleNc @sHeZdZedefddZedejdejdeejejffddZ dS) AbsFrontendreturncCtNNotImplementedError)selfr U/home/ubuntu/.local/lib/python3.10/site-packages/espnet2/asr/frontend/abs_frontend.py output_sizeszAbsFrontend.output_sizeinput input_lengthscCrrr )r rrr r r forward szAbsFrontend.forwardN) __name__ __module__ __qualname__rintrtorchTensorrrr r r r rsr) abcrrtypingrrnnModulerr r r r s