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SparkNet: Sparse Binarization for Fast Keyword Spotting (Interspeech 2024)

The paper is here.

Main features:

  • Efficient (Tiny and Fast) Neural Network
  • SOTA results in edge-device setup for KWS task
  • Appropriate for micro-controllers

The code will be released soon.

Model:

Results:

Comparison of different methods trained on Google Speech Commands v1, v2 (SC1, SC2) datasets and tested on the official test set of keyword spotting task with 12 targets. While being with the same accuracy and number parameters our model has x4 less multiply-accumulate operations (MACs)

Model Params MACs SC1 SC2
TinySpeech-X [Wong et al. 2020] 10.8K 10.9M 94.6 ± 0.00 -
res8-narrow [Tang et al. 2018] 19.9K 5.65M 90.1 ± 0.98 -
DS-ResNet10 [Xu et al. 2020] 10K 5.8M 95.2 ± 0.36 -
BC-ResNet-1 [Kim et al. 2021] 9,232 3.6M 96.6 ± 0.21 96.9 ± 0.30
SparkNet[C=32] 11,500 1.2M 96.2 ± 0.19 97.0 ± 0.18
TinySpeech-Z [Wong et al. 2020] 2.7K 2.6M 92.4 ± 0.00 -
BC-ResNet-0.625 [Kim et al. 2021] 4,585 1.9M 95.2 ± 0.37 95.4 ± 0.31
SparkNet[C=16] 4,636 454.5K 95.3 ± 0.33 95.7 ± 0.17

Reduced versions:

he accuracy of the proposed model as a function of number of parameters. The smallest model is still able to produce ~ 83% accuracy by using only 1.4K parameters and 105K MACs.

Model Version Params MACs SC1 SC2
SparkNet[C=32] 11,500 1.2M 96.2 ± 0.19 97.1 ± 0.30
SparkNet[C=16] 4,636 454.5K 95.3 ± 0.33 95.7 ± 0.30
SparkNet[C=8] 2,292 190K 91.6 ± 0.76 92.1 ± 0.33
SparkNet[C=4] 1,416 105K 82.3 ± 1.91 83.5 ± 0.60

This markdown table retains the structure and formatting of your original LaTeX table, with columns for model version, parameters, MACs, and accuracy (SC1 and SC2).

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