Emre Çakir Giambattista Parascandolo Toni Heittola Heikki Huttunen Tuomas Virtanen Convolutional Recurrent Neural Networks for Polyphonic Sound Event Detection. 2017 abs/1702.06286 CoRR http://arxiv.org/abs/1702.06286 db/journals/corr/corr1702.html#CakirPHHV17