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Acoustic device

專利號
US11159886B2
公開日期
2021-10-26
申請人
Sony Corporation（JP Tokyo）
發(fā)明人
Shigetoshi Hayashi; Ryutaro Watanabe; Tetsunori Itabashi; Toru Nakagawa; Takuma Domae
IPC分類
H04R5/02; H04R1/02
技術(shù)領(lǐng)域
ear,speaker,11rp,11lp,speakers,signal,11ls,11rs,acoustic,right
地域： Tokyo

摘要

To favorably reduce crosstalk components output from respective speakers that reproduce left and right ear signals.Directivity is given to a left ear signal and a right ear signal and the left ear signal and the right ear signal are reproduced by using at least two respective speakers arranged back-to-back to reduce crosstalk components. For example, the speaker may be a speaker installed in a headrest or a seat provided with the headrest. For example, the directivity given to the left ear signal and the directivity given to the right ear signal may be bidirectional directivity or unidirectional directivity.

說明書

In addition, the acoustic device 10E reproduces the low frequency of the left ear signal with bidirectional directivity by using the speakers 11LP and 11SB arranged back-to-back. Therefore, with regard to the low frequency of the left ear signal, the level of sound that propagates toward the right ear direction becomes almost zero in comparison with the level of sound that propagates toward the left ear direction of the listener M (indicated by an arrow c), and this makes it possible to drastically reduce a crosstalk component related to the left ear signal. In addition, the acoustic device 10E reproduces the low frequency of the right ear signal with bidirectional directivity by using the speakers 11RP and 11SA arranged back-to-back. This also makes it possible to drastically reduce a crosstalk component related to the low frequency of the right ear signal in a similar way.

權(quán)利要求

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