src/transformers/models/wav2vec2_conformer/modeling_wav2vec2_conformer.py/Wav2Vec2ConformerForAudioFrameClassification/freeze_feature_encoder
class Wav2Vec2ConformerForAudioFrameClassification:    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.wav2vec2_conformer.feature_extractor._freeze_parameters()