Fighting AI with AI: Fake Speech Detection using Deep Learning

Voice cloning technologies have found applications in a variety of areas ranging from personalized speech interfaces to advertisement, video gaming, and so on. Existing voice cloning systems are capable of learning speaker characteristics from few samples and generating perceptually indistinguishable speech. These advances pose new security and privacy threats to voice-driven interfaces. This paper presents a deep learning-based framework for learning cloned speech synthesis models and the bona-fide speech production processes. To this end, a convolutional neural network is trained and tested on spectrogram estimated from input audio recordings. Performance of the proposed method is evaluated on cloned and bona-fide audios. Experimental results indicate that the proposed method is capable of detecting bona-fide and cloned audios with a close to perfect accuracy.