DyConvMixer: Dynamic Convolution Mixer Architecture for Open-Vocabulary Keyword Spotting
Conference of the International Speech Communication Association (INTERSPEECH)(2022)
Abstract
User-defined keyword spotting research has been gaining popularity in recent years. An open-vocabulary keyword spotting system with high accuracy and low power consumption remains a challenging problem. In this paper, we propose the DyCon-vMixer model for tackling the problem. By leveraging dynamic convolution alongside a convolutional equivalent of the MLP-Mixer architecture, we obtain an efficient and effective model that has less than 200K parameters and uses less than 11M MACs. Despite the fact that our model is less than half the size of state-of-the-art RNN and CNN models, it shows competitive results on the publicly available Hey-Snips and Hey-Snapdragon datasets. In addition, we discuss the importance of designing an effective evaluation system and detail our evaluation pipeline for comparison with future work.
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Key words
Dynamic Convolution,Open-vocabulary Keyword Spotting,User-defined Keyword Spotting,Query-by-Example,ConvMixer
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