Signal processing device, cognitive function improvement system, signal processing method, and program

• Main Authors: OGAWA KOICHI, MAEDA KASHUMA, TAKAZAWA KAZUKI, NAGATANI YOSHIKI
• Format: Patent
• Language: Chinese; English
• Published: 21.06.2024
• Subjects: ACOUSTICS; MUSICAL INSTRUMENTS; PHYSICS; SPEECH ANALYSIS OR SYNTHESIS; SPEECH OR AUDIO CODING OR DECODING; SPEECH OR VOICE PROCESSING; SPEECH RECOGNITION

A signal processing device is provided with: a means for receiving an input acoustic signal; a means for acquiring a first acoustic signal having a periodic variation corresponding to the frequency of the gamma wave; and a unit that outputs an output acoustic signal based on a second acoustic signal and the acquired first acoustic signal, in which the second acoustic signal is an acoustic signal based on the input acoustic signal. 信号处理装置具备：受理输入音响信号的单元；获取具有与伽马波的频率对应的周期性变动的第一音响信号的单元；以及输出基于第二音响信号和获取到的所述第一音响信号的输出音响信号的单元，其中，所述第二音响信号是基于所述输入音响信号的音响信号。