Fullband detects the spectral characteristics and parameters of various sound signals such as sound, speech, music, etc. According to relevant query information, Fullband technology can greatly improve the accuracy and stability of speech recognition. In music processing, Fullband technology can improve the quality and fidelity of music. In sound enhancement and noise suppression, Fullband technology can effectively reduce noise interference and improve sound clarity. In short, Fullband technology is a very important sound signal processing technology that can be widely used in the processing and analysis of various sound signals.