BRN brainchip holdings ltd

2021 BRN Discussion, page-30625

  1. 6,614 Posts.
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    Hi IDD,

    BrainChip has a two processor audio recognition arrangement also:
    US2017229117A1LOW POWER NEUROMORPHIC VOICE ACTIVATION SYSTEM AND METHOD

    https://hotcopper.com.au/data/attachments/3838/3838026-dd23a421c7f3a4141b0e553e6de20a85.jpg


    The present invention provides a system and method for controlling a device by recognizing voice commands through a spiking neural network. The system comprises a spiking neural adaptive processor receiving an input stream that is being forwarded from a microphone, a decimation filter and then an artificial cochlea. The spiking neural adaptive processor further comprises a first spiking neural network and a second spiking neural network. The first spiking neural network checks for voice activities in output spikes received from artificial cochlea. If any voice activity is detected, it activates the second spiking neural network and passes the output spike of the artificial cochlea to the second spiking neural network that is further configured to recognize spike patterns indicative of specific voice commands. If the first spiking neural network does not detect any voice activity, it halts the second spiking neural network.

 
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