A quantized CNN keyword spotter on the MCXN947 runs 59x faster on the integrated NPU than on the CPU, with 97.06% accuracy on the Google Speech Commands "Marvin" task.
A Cascade Architecture for Keyword Spotting on Mobile Devices
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We present a cascade architecture for keyword spotting with speaker verification on mobile devices. By pairing a small computational footprint with specialized digital signal processing (DSP) chips, we are able to achieve low power consumption while continuously listening for a keyword.
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Implementing Keyword Spotting on the MCUX947 Microcontroller with Integrated NPU
A quantized CNN keyword spotter on the MCXN947 runs 59x faster on the integrated NPU than on the CPU, with 97.06% accuracy on the Google Speech Commands "Marvin" task.