JPWO2021131385A5 - Acoustic equipment, acoustic processing methods and programs - Google Patents
Acoustic equipment, acoustic processing methods and programs Download PDFInfo
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- JPWO2021131385A5 JPWO2021131385A5 JP2021566902A JP2021566902A JPWO2021131385A5 JP WO2021131385 A5 JPWO2021131385 A5 JP WO2021131385A5 JP 2021566902 A JP2021566902 A JP 2021566902A JP 2021566902 A JP2021566902 A JP 2021566902A JP WO2021131385 A5 JPWO2021131385 A5 JP WO2021131385A5
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Description
本発明は、音響装置、音響処理方法及びプログラムに関する。 The present invention relates to acoustic devices, acoustic processing methods and programs .
本発明の各態様の目的の一例は、上記の課題を解決することのできる音響装置、音響処理方法及びプログラムを提供することである。 An example of an object of each aspect of the present invention is to provide an acoustic device, an acoustic processing method and a program capable of solving the above-mentioned problems.
上記目的を達成するために、本発明の別の態様によれば、プログラムは、音響装置のコンピュータに、観測者を中心とした同心球状に配置されたスピーカから順番にインパルス信号を出力させることと、前記観測者の頭部インパルス応答を予め取得することと、前記中心から任意の角度に配置した仮想音源からインパルス音を発生させた場合の前記スピーカの音圧係数と、前記頭部インパルス応答とを乗算することと、乗算した乗算結果を、任意の位置のインパルス応答として記憶することと、を実行させる。 In order to achieve the above object, according to another aspect of the present invention, the program causes the computer of the acoustic device to output the impulse signal in order from the speakers arranged concentrically around the observer. , The head-related transfer response of the observer, the sound pressure coefficient of the speaker when the impulse sound is generated from a virtual sound source arranged at an arbitrary angle from the center, and the head-related impulse response. And to store the multiplied multiplication result as an impulse response at an arbitrary position .
Claims (9)
前記観測者の頭部インパルス応答を取得する頭部インパルス応答取得手段と、
前記中心から任意の角度に配置した仮想音源からインパルス音を発生させた場合の前記スピーカの音圧係数と、前記頭部インパルス応答とを乗算する乗算手段と、
乗算手段が乗算した乗算結果を、任意の位置のインパルス応答として記憶手段に記録する記録手段と、
を備える音響装置。 A signal output control means that outputs an impulse signal from speakers arranged concentrically around the observer,
The head impulse response acquisition means for acquiring the observer's head impulse response,
A multiplying means for multiplying the sound pressure coefficient of the speaker when an impulse sound is generated from a virtual sound source arranged at an arbitrary angle from the center and the head impulse response.
A recording means that records the multiplication result multiplied by the multiplying means in the storage means as an impulse response at an arbitrary position.
An audio device equipped with.
前記選択手段が選択した前記インパルス応答について畳み込みの演算を行う演算手段と、
を備える請求項１に記載の音響装置。 Among the impulse responses stored by the storage means, the selection means for selecting the impulse response corresponding to the position closest to the position where the sound is to be reproduced, and the impulse response.
A calculation means that performs a convolution calculation for the impulse response selected by the selection means, and a calculation means.
The acoustic device according to claim 1.
請求項２に記載の音響装置。 The convolution calculation performed by the calculation means is once for each speaker.
The acoustic device according to claim 2.
前記同心球において等間隔に配置される、
請求項１から請求項３の何れか一項に記載の音響装置。 The speaker is
Arranged at equal intervals in the concentric sphere,
The acoustic device according to any one of claims 1 to 3.
観測者を中心とした同心球に含まれる同心円状に配置される、
請求項１から請求項４の何れか一項に記載の音響装置。 The speaker is
Arranged in a concentric circle contained in a concentric sphere centered on the observer,
The acoustic device according to any one of claims 1 to 4.
前記スピーカが固定され、前記観測者が１つの位置で回転することによって実現される、
請求項１から請求項５の何れか一項に記載の音響装置。 The speakers arranged concentrically spherically
It is realized by fixing the speaker and rotating the observer in one position.
The acoustic device according to any one of claims 1 to 5.
前記観測者の頭部インパルス応答を取得することと、
前記中心から任意の角度に配置した仮想音源からインパルス音を発生させた場合の前記スピーカの音圧係数と、前記頭部インパルス応答とを乗算することと、
乗算した乗算結果を、任意の位置のインパルス応答として記憶手段に記録することと、
を含む音響処理方法。 To output an impulse signal from speakers arranged concentrically around the observer,
Obtaining the observer's head impulse response and
Multiplying the sound pressure coefficient of the speaker when an impulse sound is generated from a virtual sound source arranged at an arbitrary angle from the center and the head impulse response, and
Recording the product of the multiplication in the storage means as an impulse response at an arbitrary position,
Acoustic processing methods including.
観測者を中心とした同心球状に配置されたスピーカからインパルス信号を出力させることと、
前記観測者の頭部インパルス応答を取得することと、
前記中心から任意の角度に配置した仮想音源からインパルス音を発生させた場合の前記スピーカの音圧係数と、前記頭部インパルス応答とを乗算することと、
乗算した乗算結果を、任意の位置のインパルス応答として記憶手段に記録することと、
を実行させるプログラム。 To the computer of the audio equipment,
To output an impulse signal from speakers arranged concentrically around the observer,
Obtaining the observer's head impulse response and
Multiplying the sound pressure coefficient of the speaker when an impulse sound is generated from a virtual sound source arranged at an arbitrary angle from the center and the head impulse response, and
Recording the product of the multiplication in the storage means as an impulse response at an arbitrary position,
A program to execute.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019237741 | 2019-12-27 | ||
| JP2019237741 | 2019-12-27 | ||
| PCT/JP2020/042351 WO2021131385A1 (en) | 2019-12-27 | 2020-11-13 | Sound equipment, sound processing method and recording medium |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2021131385A1 JPWO2021131385A1 (en) | 2021-07-01 |
| JPWO2021131385A5 true JPWO2021131385A5 (en) | 2022-06-03 |
| JP7440174B2 JP7440174B2 (en) | 2024-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021566902A Active JP7440174B2 (en) | 2019-12-27 | 2020-11-13 | Sound equipment, sound processing method and program |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7440174B2 (en) |
| WO (1) | WO2021131385A1 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007228526A (en) * | 2006-02-27 | 2007-09-06 | Mitsubishi Electric Corp | Sound image localization apparatus |
| JPWO2019225192A1 (en) * | 2018-05-24 | 2021-07-01 | ソニーグループ株式会社 | Information processing device and information processing method |
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2020
- 2020-11-13 JP JP2021566902A patent/JP7440174B2/en active Active
- 2020-11-13 WO PCT/JP2020/042351 patent/WO2021131385A1/en active Application Filing
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