| 摘要 |
PROBLEM TO BE SOLVED: To provide signal processing method and device for expanding the localization of a sound image obtained by a speaker arranged in a headphone or an earphone or in the vicinity of each ear.SOLUTION: Sound image location setting gives a delay time by Delay means, performs frequency characteristic correction and adds to the other channel by sound image location setting Equalizer means, and obtains an output by headphone sound image localization expansion signal processing constituted of hearing sound pressure difference frequency characteristic correction means, hearing high sound area characteristic adjustment means, headphone device frequency characteristic correction means, and sound pressure sensitivity matching means. |
