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A holographic stereo pickup

A pickup and three-dimensional technology, which is applied in the direction of frequency/direction characteristic devices, etc., can solve the problem that the pickup cannot realize holographic stereo pickup

Active Publication Date: 2019-06-07
陈立康 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] The present invention provides a holographic stereo sound pick-up to at least solve the problem that the sound pickup in the prior art cannot realize holographic stereo sound pickup

Method used

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  • A holographic stereo pickup
  • A holographic stereo pickup
  • A holographic stereo pickup

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Embodiment Construction

[0046] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0047] The existing sound pickup technology has the following disadvantages: low conversion efficiency; the frequency response is affected by the acoustic short circuit, which makes it difficult to ensure fidelity; acoustic impedance matching further loses energy and reduces efficiency; existing pickups have single-channel single-channel and dual-channel There are two types of dual channels, and the dual-channel dual-channel pickups can form stereo ...

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Abstract

The invention discloses a holographic stereo pickup. The holographic stereo pickup comprises a plurality of pickups and a supporting structure, wherein the supporting structure is used for supporting the plurality of pickups, so that equivalent working surfaces of the plurality of pickups are separately located on one surface of a regular polyhedron, and the center of the equivalent working surface of each pickup is overlapped with the center of the corresponding surface. The holographic stereo pickup disclosed by the invention has sound source response in different directions of up and down, left and right, front and back, the strength and the phase in each direction are different, a real wave field direction of a recording site can be delayed by playback, and compared with the stereo system that can form a sound image in a human brain in the prior art, the principles are completely different. The holographic stereo pickup can pick up the spatial directional phase features of an onsite sound field and collect signals for holographic playback, so that a holographic stereo sound effect can be realized in a local representation manner of a physical wave field.

Description

technical field [0001] The invention relates to the field of audio technology, in particular to a holographic stereo pickup. Background technique [0002] There are two ways of thinking about simulating biological sensory imaging and physical wave field reproduction imaging in realizing stereo imaging of sound. [0003] The biosensory imaging method is to simulate the difference in the wave field at the positions of the two ears of the human body, so that the brain can get the feeling of the position of the sound source. The current technology is mainly realized by the difference in left and right volume, but in fact, it has not really realized the reproduction of the wave field. Now there is a head-mounted holographic audio technology that simulates the sound field around the human head to achieve sound pickup and playback in the front, rear, left, and right. Affects the presence and comfort of the listener. [0004] The physical wave field reproduction method is to repr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04R1/20
CPCH04R1/20
Inventor 陈立康陈雯箐吴小洲
Owner 陈立康
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