SIGNAL PROCESSING APPARATUS, SIGNAL PROCESSING METHOD, AND PROGRAM

• Main Authors: SHIMOJO TAKAHIRO, FUJII YUMI, KONISHI MASAYA, MURATA TOSHIKO, KOCHI KUNIAKI
• Format: Patent
• Language: English; Japanese
• Published: 18.04.2019
• Subjects: DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; PUBLIC ADDRESS SYSTEMS

To provide a signal processing apparatus, a signal processing method, and a program, capable of appropriately measuring a signal from headphones or earphones worn by a user.SOLUTION: A signal processing apparatus 201 includes: a measurement signal generation unit 221 that generates a first measurement signal and outputs the first measurement signal to a headphone 43; a sound collection signal acquisition unit 222 which acquires a first sound collection signal obtained by collecting the first measurement signal by a microphone 2; a signal analysis unit 223 that calculates frequency characteristics of the first collected sound signal; a wearing state determination unit 224 that determines a wearing state of the headphone 43 by comparing a characteristic value of the frequency characteristics in a predetermined band with a reference value; and a display unit 231 that outputs a result of stepwise determination according to a ratio of the characteristic value to the reference value.SELECTED DRAWING: Figure 3 【課題】ユーザが装着したヘッドホン又はイヤホンからの信号を適切に測定することができる信号処理装置、信号処理方法、及びプログラムを提供することを目的とする。【解決手段】本実施の形態にかかる信号処理装置２０１は、第１の測定信号を生成して、ヘッドホン４３に出力する測定信号生成部２２１と、マイク２が第１の測定信号を収音した第１の収音信号を取得する収音信号取得部２２２と、第１の収音信号の周波数特性を算出する信号解析部２２３と、所定の帯域における周波数特性の特性値を基準値と比較することによって、ヘッドホン４３の装着状態を判定する装着状態判定部２２４と、基準値に対する特性値の割合に応じた段階的な判定の結果を出力する表示部２３１と、を備えたものである。【選択図】図３