Audio enhancement is a signal processing method that improves the listening experience. Although most audio devices provide a variety of sound-enhancing effects, it is reported that very few people are active users of this feature. This lack of usability comes from insufficient sound improvement because of concerns about scene-rendering mismatch, which means that the processing applied to an unintended target may even damage the sound quality. The key solution to this problem is sound intelligence that provides an optimal sound effect with very low latency. The authors propose a real-time audio enhancement system based on a highly precise audio scene classifier using convolutional neural networks. The entire computation including convolutions is optimized for digital signal processing--level implementation, resulting in enhanced audio outputs for every audio frame.
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