Electroencephalogram signal processing method, device, circuit, system and equipment

The invention provides an electroencephalogram signal processing method, device, circuit, system and equipment, and relates to the technical field of brain-computer interfaces, and the method comprises the following steps: based on a low-bit quantization technology, obtaining target compressed data corresponding to any channel in a current sampling period; determining a cluster to which the target compressed data corresponding to any channel in the current sampling period belongs; and obtaining discharge rate data of each virtual neuron corresponding to any channel in the current processing period, and further calculating to obtain intention information of the target subject in the current processing period. According to the electroencephalogram signal processing method, device, circuit, system and equipment provided by the invention, the processing complexity of electroencephalogram signals with high temporal-spatial resolution and high sampling rate, the overhead of computing resources and the access bandwi