To provide a sound-reproducing device which can overcome shortage of low sound during reproduction of low to medium volume even in a speaker unit having a relatively small diameter, and can keep reproduction sound quality without loss of the reproduction sound quality during reproduction at large volume.SOLUTION: A sound-reproducing device 10 has a DSP 12 and a μCom 11 performing a predetermined operation to an input signal, and an AMP 13 amplifying the calculated signal that has undergone the predetermined operation and outputting the signal to a speaker unit. Then, the DSP 12 and the μCom 11 performs an operation for cutting a part in a low frequency range of a reverse characteristic of a frequency characteristic of the speaker unit 4 to superimpose the reverse characteristic on the input signal.SELECTED DRAWING: Figure 1

    【課題】比較的小さな口径のスピーカユニットにおいても、小〜中音量の再生における低音の不足を解消するとともに、大音量の再生における再生音の品位が損なわれないようにすることができる音響再生装置を提供する。【解決手段】音響再生装置10は、入力信号に対して所定の演算を行うDSP12およびμCom11と、所定の演算がされた信号を増幅してスピーカユニットに出力するAMP13と、を備えている。そして、DSP12およびμCom11は、スピーカユニット4の周波数特性の逆特性の低域の一部をカットし、入力信号へ重畳する演算を行う。【選択図】図1


    Access

    Download


    Export, share and cite



    Title :

    SOUND REPRODUCING DEVICE


    Additional title:

    音響再生装置


    Contributors:

    Publication date :

    2019-10-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



    SOUND REPRODUCING DEVICE AND SOUND REPRODUCTION METHOD

    SHIROUCHI SHIGERU / TAO MASAFUMI | European Patent Office | 2020

    Free access

    VEHICLE-EXTERNAL SOUND REPRODUCING DEVICE AND VEHICLE DEVICE

    TANAKA TAKEHIKO / HOMMA ATSUSHI | European Patent Office | 2024

    Free access

    REPRODUCING SYSTEM, REPRODUCING DEVICE, AND REPRODUCING METHOD

    KAWASAKI TAKASHI | European Patent Office | 2016

    Free access

    VIDEO REPRODUCING DEVICE, RECORDING/REPRODUCING DEVICE, VIDEO REPRODUCING METHOD AND VIDEO REPRODUCING PROGRAM

    SAKAI YASUTOSHI / HAYASHI KEITA / TANIYAMA HIROFUMI | European Patent Office | 2021

    Free access

    Image reproducing device, image reproducing system, and image reproducing method

    MATSUI MACHIKO | European Patent Office | 2020

    Free access