Fast and accurate annotation of acoustic signals with deep neural networks
2021
Acoustic signals serve communication within and across species throughout the animal kingdom. Studying the genetics, evolution, and neurobiology of acoustic communication requires annotating acoustic signals: segmenting and identifying individual acoustic elements like syllables or sound pulses. To be useful, annotations need to be accurate, robust to noise, fast. We introduce DeepSS, a method that annotates acoustic signals across species based on a deep-learning derived hierarchical presentation of sound. We demonstrate the accuracy, robustness, and speed of DeepSS using acoustic signals with diverse characteristics: courtship song from flies, ultrasonic vocalizations of mice, and syllables with complex spectrotemporal structure from birds. DeepSS comes with a graphical user interface for annotating song, training the network, and for generating and proofreading annotations (available at https://janclemenslab.org/deepss). The method can be trained to annotate signals from new species with little manual annotation and can be combined with unsupervised methods to discover novel signal types. DeepSS annotates song with high throughput and low latency, allowing realtime annotations for closed-loop experimental interventions.
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