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US-20260129401-A1 - INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM

US20260129401A1US 20260129401 A1US20260129401 A1US 20260129401A1US-20260129401-A1

Abstract

The present disclosure relates to an information processing device, an information processing method, and a program that can make impulse response adjustment work efficient. A level control unit changes a level of a first sound component and a level of a second sound component in response to adjustment of a parameter correlated with the first sound component and the second sound component included in an impulse response. The technique according to the present disclosure can be applied to, for example, a remote ensemble system.

Inventors

  • Yuji Tsuchida

Assignees

  • Sony Group Corporation

Dates

Publication Date
20260507
Application Date
20230921
Priority Date
20221007

Claims (18)

  1. 1 . An information processing device comprising a level control unit that changes a level of a first sound component and a level of a second sound component in response to adjustment of a parameter correlated with the first sound component and the second sound component included in an impulse response.
  2. 2 . The information processing device according to claim 1 , wherein the impulse response is measured or calculated in advance.
  3. 3 . The information processing device according to claim 1 , wherein the level control unit changes the level of the first sound component and the level of the second sound component based on a relational expression expressing each of the level of the first sound component and the level of the second sound component using the parameter.
  4. 4 . The information processing device according to claim 1 , wherein the parameter is an absolute sound volume.
  5. 5 . The information processing device according to claim 4 , wherein the level control unit changes the level of the first sound component and the level of the second sound component according to an adjusted change rate of the absolute sound volume.
  6. 6 . The information processing device according to claim 1 , wherein the parameter is a ratio of the first sound component and the second sound component.
  7. 7 . The information processing device according to claim 6 , wherein the level control unit changes the level of the first sound component and the level of the second sound component without changing a sum of energy of the first sound component and energy of the second sound component before and after adjustment of the ratio.
  8. 8 . The information processing device according to claim 1 , wherein the first sound component includes a direct sound, and the second sound component includes an indirect sound.
  9. 9 . The information processing device according to claim 8 , wherein the indirect sound includes an early reflection sound or a late reverberation sound.
  10. 10 . The information processing device according to claim 1 , wherein the first sound component includes a direct sound and an early reflection sound, and the second sound component includes a late reverberation sound.
  11. 11 . The information processing device according to claim 1 , wherein the first sound component includes a reflection sound from a specific direction, and the second sound component includes a reflection sound from other than the specific direction.
  12. 12 . The information processing device according to claim 1 , further comprising a UI control unit that controls presentation of a User Interface (UI) that indicates a value of the parameter and accepts the adjustment of the parameter.
  13. 13 . The information processing device according to claim 12 , wherein the UI further includes an indicator that indicates values of the level of the first sound component and the level of the second sound component that change in response to the adjustment of the parameter, and the indicator does not accept adjustment of the level of the first sound component and the level of the second sound component.
  14. 14 . The information processing device according to claim 12 , wherein the level control unit acquires at least one of the parameter adjusted by the UI, the level of the first sound component, and the level of the second sound component via the UI control unit.
  15. 15 . The information processing device according to claim 1 , wherein the impulse response indicates transfer characteristics from a sound source to both ears of a user.
  16. 16 . The information processing device according to claim 15 , comprising an output control unit that causes an output device used by the user to output a playback sound that is based on processing of convoluting of the impulse response for which the level of the first sound component and the level of the second sound component have been adjusted for an acoustic signal from the sound source.
  17. 17 . An information processing method comprising, at an information processing device, changing a level of a first sound component and a level of a second sound component in response to adjustment of a parameter correlated with the first sound component and the second sound component included in an impulse response.
  18. 18 . A program causing a computer to execute processing of changing a level of a first sound component and a level of a second sound component in response to adjustment of a parameter correlated with the first sound component and the second sound component included in an impulse response.

Description

TECHNICAL FIELD The present disclosure relates to an information processing device, an information processing method, and a program, and more particularly relates to an information processing device, an information processing method, and a program that can make impulse response adjustment work efficient. BACKGROUND ART There is known a remote ensemble system that enables a plurality of players to perform an ensemble in a state where the plurality of players are at respectively remote places. For example, Patent Literature 1 discloses a remote ensemble system that enables a high-level ensemble of a plurality of players at remote places by convoluting for an acoustic signal of a plurality of co-performing users a head-related transfer function matching a positional relationship between users in a virtual space. There is a case where, in such a remote ensemble system, players (users) listen to an acoustic signal obtained by convoluting an impulse response of sound field reproduction into a microphone (mic) input. CITATION LIST Patent Literature PTL 1WO 2022/196073 SUMMARY Technical Problem When a user adjusts transfer characteristics from a sound source to both ears of the user, for example, an absolute sound volume is characteristics that change as the impulse response is adjusted, and therefore it has been necessary to repeat fine adjustment until these adjustment items converge to optimal values. With such a situation in view, the present disclosure can make impulse response efficient adjustment efficient. Solution to Problem An information processing device according to the present disclosure is an information processing device that includes a level control unit that changes a level of a first sound component and a level of a second sound component in response to adjustment of a parameter correlated with the first sound component and the second sound component included in an impulse response. An information processing method according to the present disclosure is an information processing method that includes, at an information processing device, changing a level of a first sound component and a level of a second sound component in response to adjustment of a parameter correlated with the first sound component and the second sound component included in an impulse response. A program according to the present disclosure is a program that causes a computer to execute processing of changing a level of a first sound component and a level of a second sound component in response to adjustment of a parameter correlated with the first sound component and the second sound component included in an impulse response. According to the present disclosure, a level of a first sound component and a level of a second sound component are changed in response to adjustment of a parameter correlated with the first sound component and the second sound component included in an impulse response. BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a diagram illustrating a configuration example of a remote ensemble system according to an embodiment of the present technique. FIG. 2 is a diagram illustrating an example of devices provided in a booth. FIG. 3 is a diagram illustrating an example of a sound component of an impulse response. FIG. 4 is a diagram illustrating an example of a UI for adjustment of a conventionally assumable impulse response. FIG. 5 is a diagram illustrating an example of a UI for adjustment of an impulse response according to the present disclosure. FIG. 6 is a diagram illustrating an example of the UI for adjustment of the UI for adjustment of an impulse response impulse response according to the present disclosure. FIG. 7 is a diagram illustrating an example of the UI for adjustment of the impulse response according to the present disclosure. FIG. 8 is a block diagram illustrating a functional configuration example of an information processing device. FIG. 9 is a flowchart for explaining a flow of impulse response adjustment processing. FIG. 10 is a flowchart for explaining a flow of level control matching an adjustment item. FIG. 11 is a flowchart for explaining a flow of level control matching the adjustment item. FIG. 12 is a block diagram illustrating a configuration example of hardware of a computer. DESCRIPTION OF EMBODIMENTS Hereinafter, modes for carrying out the present disclosure (hereinafter referred to as embodiments) will be described. Note that the description will be presented in the following order. 1. Configuration and problem of remote ensemble system2. Example of UI for adjustment of impulse response3. Configuration of information processing device and impulse response adjustment processing4. Application examples5. Configuration example of computer 1. Configuration and Problem of Remote Ensemble System FIG. 1 is a diagram illustrating a configuration example of a remote ensemble system according to an embodiment of the present technique. A remote ensemble system 1 illustrated in FIG. 1 is a system use