(self, input)
return output
input: (samples_num, freq_bins, time_steps, 1)
input: (samples_num, freq_bins, time_steps, 1)
input : ( samples_num freq_bins time_steps 1 )
def forward(self, input):
        """input: (samples_num, freq_bins, time_steps, 1)
        """

        # (samples_num, hidden_units, time_steps, 1)
        b1 = self.emb(input)

        # (samples_num, classes_num, time_steps, 1)
        output = self.attention(b1)

        return output
def forward ( self , input ) : # (samples_num, hidden_units, time_steps, 1) b1 = self . emb ( input ) # (samples_num, classes_num, time_steps, 1) output = self . attention ( b1 ) return output