src/transformers/models/speecht5/modeling_speecht5.py/SpeechT5ScaledPositionalEncoding/forward
class SpeechT5ScaledPositionalEncoding:    def forward(self, emb):
        emb = emb + self.alpha * self.pe[:, : emb.size(1)]
        emb = self.dropout(emb)
        return emb