To provide "a sound processing device, a sound system, and a sound processing method" which provide a novel technique of localizing a sound image that contributes to realize a novel method for allowing a listener to hear sound while the sense of presence is improved, in a system that allows the listener to hear sound using head speakers.SOLUTION: A sound processing device 15 includes: a first processor 17 that performs trans-aural processing on signals corresponding to a plurality of headrest speakers 3L, 3R so that a tentative sound image is localized by the plurality of headrest speakers 3L, 3R at a tentative position within a region which does not include the front side of the head but includes the left and right sides and the back side of the head; and a second processor 18 that performs amplitude panning on signals corresponding to front speakers 2L, 2R and a signal processed by the first processor 17 so that a final sound image is localized at a final position between a tentative sound image and the front speakers 2L, 2R in accordance with a difference in volume between the tentative sound image and the front speakers 2L, 2R.SELECTED DRAWING: Figure 3
【課題】ヘッドスピーカを用いて音声を聴取者に聴取させるシステムについて、臨場感を向上しつつ聴取者に音声が聴取されるようにする新しい方法の実現に寄与する、音像の定位に関する新しい技術を提供する「音声処理装置、音響システムおよび音声処理方法」を提供する。【解決手段】音声処理装置15は、複数のヘッドレストスピーカ3L、3Rによって、頭部の正面側を含まず、頭部の左右の側方および後方を含む領域内の暫定位置に暫定音像が定位されるように、複数のヘッドレストスピーカ3L、3Rに対応する信号についてトランスオーラル処理を実行する第1処理部17と、暫定音像と正面スピーカ2L、2Rとの音量差によって暫定音像と正面スピーカ2L、2Rとの間の最終位置に最終音像が定位されるように、正面スピーカ2L、2Rに対応する信号および第1処理部17による処理後の信号について振幅パンニングを実行する第2処理部18とを備える。【選択図】図3
SOUND PROCESSING DEVICE, SOUND SYSTEM, AND SOUND PROCESSING METHOD
音声処理装置、音響システムおよび音声処理方法
2024-08-19
Patent
Electronic Resource
Japanese
IPC: | H04S Stereophone Systeme , STEREOPHONIC SYSTEMS / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler |
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