Abstract: This invention provides a signal processing apparatus capable of obtaining an output signal of sufficiently high quality if the phase of an input signal is largely different from the phase of a true voice. The signal processing apparatus includes a voice detector that receives a mixed signal including a voice and a signal other than the voice and obtains existence of the voice as a voice flag, a corrector that receives the mixed signal and the voice flag and obtains a corrected mixed signal generated by correcting the mixed signal in accordance with a state of the voice flag, and a shaper that receives the corrected mixed signal and shapes the corrected mixed signal.

Abstract: This invention provides a signal processing apparatus for receiving a mixed signal including at least one target signal and outputting a desired composite signal. The signal processing apparatus includes a storage unit that stores an acoustic signal, and a signal processor that receives a mixed signal including at least one target signal, and composites the acoustic signal stored in a storage unit with the at least one target signal.