research-article

NAVIS

Authors:

Juan P. Dominguez-Morales,

A. Jimenez-Fernandez,

M. Dominguez-Morales,

G. Jimenez-MorenoAuthors Info & Claims

Neurocomputing, Volume 237, Issue C

Pages 418 - 422

https://doi.org/10.1016/j.neucom.2016.12.046

Published: 10 May 2017 Publication History

Abstract

This software presents diverse utilities to develop the first post-processing layer using the neuromorphic auditory sensor's (NAS) information. The NAS used implements a cascade filters architecture in FPGA, imitating the behavior of the basilar membrane and inner hair cells, working with the sound information decomposed into its frequency components as spike streams. The neuromorphic hardware interface Address-Event-Representation (AER) is used to propagate auditory information out of the NAS, emulating the auditory vestibular nerve. Using the packetized information (aedat files) generated with jAER software plus an AER to USB computer interface, NAVIS implements a set of graphs that allows to represent the auditory information as cochleograms, histograms, sonograms, etc. It can also split the auditory information into different sets depending on the activity level of the spike streams. The main contribution of this software tool is its capability to apply complex audio post-processing treatments and representations, which is a novelty for spike-based systems in the neuromorphic community. This software will help neuromorphic engineers to build sets for the training of spiking neural networks (SNN).

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Cited By

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Gutierrez-Galan DRios-Navarro ADominguez-Morales JDuran-Lopez LJimenez-Moreno GJimenez-Fernandez A(2023)Interfacing PDM MEMS Microphones with PFM Spiking Systems: Application for Neuromorphic Auditory SensorsNeural Processing Letters10.1007/s11063-022-10936-055:2(1281-1292)Online publication date: 1-Apr-2023
https://dl.acm.org/doi/10.1007/s11063-022-10936-0

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Published In

Neurocomputing Volume 237, Issue C

May 2017

401 pages

ISSN:0925-2312

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Elsevier Science Publishers B. V.

Netherlands

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Published: 10 May 2017

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Gutierrez-Galan DRios-Navarro ADominguez-Morales JDuran-Lopez LJimenez-Moreno GJimenez-Fernandez A(2023)Interfacing PDM MEMS Microphones with PFM Spiking Systems: Application for Neuromorphic Auditory SensorsNeural Processing Letters10.1007/s11063-022-10936-055:2(1281-1292)Online publication date: 1-Apr-2023
https://dl.acm.org/doi/10.1007/s11063-022-10936-0

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Spike pattern recognition using artificial neuron and spike-timing-dependent plasticity implemented on a multi-core embedded platform

Synchrony in Silicon: The Gamma Rhythm

Design space exploration and parameter tuning for neuromorphic applications

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