import tensorflow as tf

            for i, ((ntime, nband, nfilt), (ptime, pband)) in enumerate(zip(cnn_filter_shapes, cnn_pool)):
                layer_name = 'cnn_{}'.format(i)
                with tf.variable_scope(layer_name):
                    filters = tf.get_variable('filters', [ntime, nband, nfilt_last, nfilt], initializer=cnn_init, dtype=dtype)
