Fig. 1: Concepts of speech processing: technological versus biological audio front ends and speech processing units. | Nature Electronics

Fig. 1: Concepts of speech processing: technological versus biological audio front ends and speech processing units.

From: Neuromorphic acoustic sensing using an adaptive microelectromechanical cochlea with integrated feedback

Fig. 1: Concepts of speech processing: technological versus biological audio front ends and speech processing units.The alternative text for this image may have been generated using AI.

The bright grey boxes indicate the adaptive parts. The orange arrows represent feedback at the same level or from higher levels to change sensing and/or processing properties. The red bracket indicates the target levels and properties for the design of neuromorphic acoustic sensors. BM, basilar membrane; OHC, outer hair cell; IHC, inner hair cell; AN, auditory nerve; DNN, deep neural network; CNN, convolutional neural network; CRNN, convolutional, recurrent neural network. Credit: BM image, Wikimedia Commons under a Creative Commons license CC BY 2.5; auditory cortex, Wikimedia Commons under a Creative Commons license CC BY 4.0.

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