def spkrutteranceids(self, speaker):
        return [utterance for utterance in self._utterances
                if utterance.startswith(speaker+'/')]
Register callback for each iteration in the training.
dataset/ETHPy150Open nltk/nltk/nltk/corpus/reader/timit.py/TimitCorpusReader.spkrutteranceids--crossover with--dataset/ETHPy150Open zomux/deepy/deepy/layers/layer.py/NeuralLayer.register_training_callbacks