Playback sound correction apparatus, playback sound correction method, and program

Abstract

Provided is a playback sound correction apparatus that corrects a playback sound of an open-ear earphone including a speaker and a microphone, the apparatus including: a characteristics measuring sound playback unit configured to play back a characteristics measuring sound from the speaker; a transfer function calculation unit configured to calculate a transfer function from the speaker to the microphone based on a recorded sound of the microphone and the characteristics measuring sound; a correction filter calculation unit configured to calculate an inverse filter of the transfer function as a correction filter; and a playback sound correction unit configured to correct the playback sound with the correction filter.

Dependencies are inferred from the claim text.