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Unmet Need: Hearing aid system for isolating and enhancing speech and hearing attention. This technology is a hearing aid system that improves hearing attention and spatial localization in particularly crowded and loud environments. Current hearing aid devices are not able to isolate speech from a specific speaker in a noisy and fluid environment. The technology addresses a major obstacle in actualization of auditory attention decoding that can assist hearing-impaired listeners and reduce listening effort for normal-hearing subjects. , Herrero, J., Mehta, A., Mesgarani, N., Speaker independent auditory attention decoding without access to clean sources, Science Advances, 2019. This technology is a system for auditory attention decoding in which the brainwaves of listeners are compared with sound sources to determine the attended source, which can then be amplified to facilitate hearing. The technology described here uses novel time encoding and decoding techniques to perform real-time asynchronous encoding and error free decoding of visual signals. This new encoding and decoding method therefore promises improved video quality compatible with lower voltage requirements. A time decoding machine then uses optimization with recurrent neural networks to accurately recover the input signal with no error introduced.