The sound processing apparatus, sound processing method, and program

The sound processing device, integrated to obtain the integrated gain by using a first calculation unit for calculating a suppression gain of the noise by using the respective input signals input from a plurality of microphones, and a suppression gain suppression gain and noise of the acoustic echo and parts, with respect to one input signal among the plurality of input signals, and applying portion for applying the integrated gain, the signal integration gain is applied, the output signal outputted to the playback device, and one input signal with comprises a second calculation unit for calculating a suppression gain of the acoustic echo, a.