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abstract indexed · arXiv 2609.24391 · updated 2026-10-18

NAVIR: Neuromorphic Audio-Visual Speech Recognition for Robust Human-Robot Interaction on Edge Hardware

First page of NAVIR: Neuromorphic Audio-Visual Speech Recognition for Robust Human-Robot Interaction on Edge Hardware
From the original paper · arXiv 2609.24391Page 1. Select the image to read the PDF.

NAVIR replaces conventional AVSR pipelines built on 3D convolutions, recurrent units, and attention with factorized 2D-convolutional AkidaNet modules plus CTC decoding, targeting the BrainChip Akida neuromorphic chip. The cost is a hard dependency on Akida-class spiking hardware, quantization-aware training of a custom multimodal pipeline, and restricted operator support (sequential 2D convolutions only), which constrains model capacity and generality. It can fail through accuracy loss from quantization and firing-rate sensitivity, poor transfer beyond narrow command corpora like the 98.6%-accuracy industrial dataset, and the need for a camera with reliable lip visibility in the deployment environment.

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Neuromorphic audio-visual speech recognition on edge hardware
published
2026-09-21

The energy gains are real but require purchasing and integrating specialized neuromorphic hardware, which is outside the reader's existing GPU-and-API infrastructure and only pays off for dedicated noisy-edge deployments such as industrial human-robot interaction.

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  1. claim 01Paperraft inference
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    NAVIR replaces conventional AVSR pipelines built on 3D convolutions, recurrent units, and attention with factorized 2D-convolutional AkidaNet modules plus CTC decoding, targeting the BrainChip Akida neuromorphic chip. The cost is a hard dependency on Akida-class spiking hardware, quantization-aware training of a custom multimodal pipeline, and restricted operator support (sequential 2D convolutions only), which constrains model capacity and generality. It can fail through accuracy loss from quantization and firing-rate sensitivity, poor transfer beyond narrow command corpora like the 98.6%-accuracy industrial dataset, and the need for a camera with reliable lip visibility in the deployment environment.

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  2. claim 02Paperraft inference

    On-board measurements show roughly 5-fold lower energy per inference than a Raspberry Pi CPU on the lip-reading model and over 100-fold lower than a laptop GPU, at 14.5 inferences per second; operation-count analysis indicates a 13-fold energy advantage of the spiking formulation at 27.6% mean firing rate.

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