src/transformers/models/wavlm/modeling_wavlm.py/WavLMForAudioFrameClassification/freeze_feature_encoder
class WavLMForAudioFrameClassification:    def freeze_feature_encoder(self):
        """
        Calling this function will disable the gradient computation for the feature encoder so that its parameter will
        not be updated during training.
        """
        self.wavlm.feature_extractor._freeze_parameters()