Acoustic reproduction system, display device, and calibration method
AssigneeSony Group Corporation
InventorsKohei Asada, Go Igarashi, Kazunobu Ookuri, Yoshiyuki Kuroda, Naoki Shinmen, Chisato Numaoka
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Abstract
Provided is an acoustic reproduction system capable of setting a sound image localization service area at an arbitrary position even in a case where a sound production direction of a directional sound cannot be changed. An acoustic reproduction system according to the present technology includes a sound producing device that emits a directional sound and a sound reflector positioned between a viewer and a viewing target by the viewer and having a sound reflecting surface that reflects the directional sound emitted by the sound producing device.
Claims19
An acoustic reproduction system, comprising:
- a sound producing device configured to emit a directional sound;
- a sound reflector positioned between a viewer and a viewing target by the viewer and having a plurality of sound reflecting surfaces that reflects the directional sound emitted by the sound producing device, wherein
- the plurality of sound reflecting surfaces have mutually different inclination directions;
- and
- the sound producing device is further configured to emit the directional sound from a ceiling side to a first sound reflecting surface of the plurality of sound reflecting surfaces and from a floor side to a second sound reflecting surface of the plurality of sound reflecting surfaces.
A display device, comprising:
- a self-luminous display unit configured to display a video;
- and
- a sound reflector in front of a display surface of the video on the display unit and having a plurality of sound reflecting surfaces that reflects a sound, wherein
- the sound corresponds to a directional sound,
- the plurality of sound reflecting surfaces have mutually different inclination directions, and
- the directional sound is emitted from a ceiling side to a first sound reflecting surface of the plurality of sound reflecting surfaces and from a floor side to a second sound reflecting surface of the plurality of sound reflecting surfaces.
A calibration method of an acoustic reproduction system, including:
- a sound producing device configured to emit a directional sound;
- a sound reflector positioned between a viewer and a viewing target by the viewer and having a plurality of sound reflecting surfaces that reflects the directional sound emitted by the sound producing device, wherein
- the plurality of sound reflecting surfaces have mutually different inclination directions;
- the sound producing device is further configured to emit the directional sound from a ceiling side to a first sound reflecting surface of the plurality of sound reflecting surfaces and from a floor side to a second sound reflecting surface of the plurality of sound reflecting surfaces;
- and
- a control unit configured to control an incident angle of the directional sound on the plurality of sound reflecting surfaces, the calibration method comprising:
- learning a change in a sound pickup signal of the directional sound reflected by the plurality of sound reflecting surfaces with respect to a change in the incident angle, and
- adjusting the incident angle based on a result of the learning.
Dependencies are inferred from the claim text.