This paper presents a method to learn speaker em- beddings for text-independent speaker verification. The proposed method aims to optimize embeddings for unseen enrollment/test speakers by training a network with a meta-training set. The main procedure consists of two steps. The first step generates a meta-training set, a set of episodes each with a pair of intra- episode training and testing sets. The second step optimizes network parameters so that the average verification performance over the generated episodes is maximized. An advantage of our approach lies in its complementarity to studies focusing on network structure and we demonstrate its effectiveness with recent ResNet-based models in experiments on the VoxCeleb dataset.
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