Neuromorphic sensory systems

SC Liu, T Delbruck - Current opinion in neurobiology, 2010 - Elsevier
Biology provides examples of efficient machines which greatly outperform conventional
technology. Designers in neuromorphic engineering aim to construct electronic systems with …

Asynchronous Binaural Spatial Audition Sensor With 2644 Channel Output

SC Liu, A van Schaik, BA Minch… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
This paper proposes an integrated event-based binaural silicon cochlea system aimed at
efficient spatial audition and auditory scene analysis. The cochlea chip has a matched pair …

A 0.5 V 55 64 2 Channel Binaural Silicon Cochlea for Event-Driven Stereo-Audio Sensing

M Yang, CH Chien, T Delbruck… - IEEE Journal of Solid …, 2016 - ieeexplore.ieee.org
This paper presents a 64× 2 channel stereo-audio sensing front end with parallel
asynchronous event output inspired by the biological cochlea. Each binaural channel …

History and future of auditory filter models

RF Lyon, AG Katsiamis… - Proceedings of 2010 IEEE …, 2010 - ieeexplore.ieee.org
Auditory filter models have a history of over a hundred years, with explicit bio-mimetic
inspiration at many stages along the way. From passive analogue electric delay line models …

Nanowatt acoustic inference sensing exploiting nonlinear analog feature extraction

M Yang, H Liu, W Shan, J Zhang… - IEEE Journal of Solid …, 2021 - ieeexplore.ieee.org
Ultralow-power sensing with inference functionality embedded in sensor nodes is essential
for enabling the emerging pervasive intelligence. For acoustic inference sensing, the feature …

A power-efficient reconfigurable OTA-C filter for low-frequency biomedical applications

SY Peng, YH Lee, TY Wang, HC Huang… - IEEE transactions on …, 2017 - ieeexplore.ieee.org
A power-efficient operational-transconductance-amplifier-capacitor (OTA-C) filter for
biomedical applications is presented with detailed noise analysis. This filter consists of a …

Design of an Always-On Deep Neural Network-Based 1- W Voice Activity Detector Aided With a Customized Software Model for Analog Feature Extraction

M Yang, CH Yeh, Y Zhou, JP Cerqueira… - IEEE Journal of Solid …, 2019 - ieeexplore.ieee.org
This paper presents an ultra-low-power voice activity detector (VAD). It uses analog signal
processing for acoustic feature extraction (AFE) directly on the microphone output …

Self-sustaining acoustic sensor with programmable pattern recognition for underwater monitoring

P Mayer, M Magno, L Benini - IEEE transactions on …, 2019 - ieeexplore.ieee.org
Minimizing the power consumption of always-on sensors is crucial for extending the lifetime
of battery-operated devices that are required to monitor events continuously and for long …

A low-power and high-precision programmable analog filter bank

B Rumberg, DW Graham - … on Circuits and Systems II: Express …, 2012 - ieeexplore.ieee.org
Analog filter banks befit remote audio-and vibration-sensing applications, which require
frequency analysis to be performed with low-power consumption and with moderate-to-high …

A power-efficient capacitive read-out circuit with parasitic-cancellation for MEMS cochlea sensors

S Wang, TJ Koickal, A Hamilton… - … Circuits and Systems, 2015 - ieeexplore.ieee.org
This paper proposes a solution for signal read-out in the MEMS cochlea sensors that have
very small sensing capacitance and do not have differential sensing structures. The key …