src/transformers/models/speecht5/modeling_speecht5.py/SpeechT5FeatureProjection/forward
class SpeechT5FeatureProjection:    def forward(self, hidden_states):
        # non-projected hidden states are needed for quantization
        norm_hidden_states = self.layer_norm(hidden_states)
        hidden_states = self.projection(norm_hidden_states)
        hidden_states = self.dropout(hidden_states)
        return hidden_states, norm_hidden_states