o i@s0ddlmZmZddlZGdddejjZdS))OptionalTupleNc @s>eZdZdZ ddejdejdeejeejffddZdS) AbsSpecAugzAbstract class for the augmentation of spectrogram The process-flow: Frontend -> SpecAug -> Normalization -> Encoder -> Decoder Nx x_lengthsreturncCstN)NotImplementedError)selfrrr S/home/ubuntu/.local/lib/python3.10/site-packages/espnet2/asr/specaug/abs_specaug.pyforwardszAbsSpecAug.forwardr) __name__ __module__ __qualname____doc__torchTensorrrr r r r r rsr)typingrrrnnModulerr r r r s