HEAD LOCALIZATION PROCESSOR, HEAD LOCALIZATION PROCESSING METHOD, AND HEAD LOCALIZATION PROCESSING PROGRAM

PROBLEM TO BE SOLVED: To provide a head localization processor, a head localization processing method, and a head localization processing program.SOLUTION: A head localization processor includes an adder 51 for calculating the in-phase signal of a stereo reproduction signal, a ratio setting section...

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Bibliographic Details
Main Authors SHIMOJO TAKAHIRO, FUJII YUMI, MURATA TOSHIKO
Format Patent
LanguageEnglish
Japanese
Published 30.08.2018
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
STEREOPHONIC SYSTEMS
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Summary:PROBLEM TO BE SOLVED: To provide a head localization processor, a head localization processing method, and a head localization processing program.SOLUTION: A head localization processor includes an adder 51 for calculating the in-phase signal of a stereo reproduction signal, a ratio setting section 52 setting a subtraction ratio for subtracting the in-phase signal, subtractors 53, 54 for generating a correction signal, by subtracting the in-phase signal from the stereo reproduction signal according to the subtraction ratio, convolution operation units 11, 12, 21, 22 generating convolution operation signals, by performing convolution operation for the correction signal, by using spatial sound transmission characteristics, filters 41, 42 for generating output signals by filtering the convolution operation signals, and a headphone 45 for outputting the output signals toward a user.SELECTED DRAWING: Figure 1 【課題】適切に頭外定位処理することができる頭外定位処理装置、頭外定位処理方法、及び頭外定位処理プログラムを提供する。【解決手段】本実施の形態にかかる頭外定位処理装置は、ステレオ再生信号の同相信号を算出する加算器５１と、前記同相信号を減算するための減算比率を設定する比率設定部５２と、減算比率に応じてステレオ再生信号から同相信号を減算することで、補正信号を生成する減算器５３、５４と、空間音響伝達特性を用いて、補正信号に対して畳み込み処理を行うことで、畳み込み演算信号を生成する畳み込み演算部１１、１２、２１、２２と、フィルタを用いて、畳み込み演算信号に対してフィルタ処理を行うことで、出力信号を生成するフィルタ部４１、４２と、出力信号をユーザに向けて出力するヘッドホン４５と、を備えたものである。【選択図】図１
Bibliography:Application Number: JP20170029296