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Method and apparatus for creating a multi-dimensional communication space for use in a binaural audio system

一种双耳、音频的技术，应用在优选错觉领域

Inactive Publication Date: 2009-07-22
HARRIS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Floor speakers have the disadvantage of keeping the listener fixed in place to hear three-dimensional (3-D) binaural sound

Method used

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  • Method and apparatus for creating a multi-dimensional communication space for use in a binaural audio system
  • Method and apparatus for creating a multi-dimensional communication space for use in a binaural audio system
  • Method and apparatus for creating a multi-dimensional communication space for use in a binaural audio system

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Experimental program
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Embodiment Construction

[0022] As the multi-axis gyroscope becomes smaller, more accurate, and stronger, the head tracking member can be placed in the listener's headset to provide the binaural audio system with the orientation of the listener's head. This head tracking information will be processed to change the sound reaching the listener's ear so that the listener can hear and locate the sound in the virtual 3-D environment. Different binaural audio systems can have different characteristics. For example, in a binaural audio system, the virtual sound can be kept fixed relative to the listener's head or relative to the listener's real-world environment regardless of the rotation or orientation of the listener's head. See figure 1 Go to Figure 3 to further elaborate on these concepts.

[0023] figure 1 Various head rotations and positions of the listener's head 110 are explained. The axes X, Y, and Z define the position of the listener's head 110. The head rotation around the X-axis is defined as roll...

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PUM

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Abstract

The invention relates to a method and apparatus for producing, combining, and customizing virtual sound environments. A binaural sound system (400) includes a transceiver (492) configured for receiving a signal (600) containing at least a first type of information and a second type of information. The first type of information includes enunciated data (602). The enunciated data specifies certain information intended to be audibly enunciated to a user. The second type of information comprises first type of metadata (604-1) and a second type of metadata (604-2). The first type of metadata includes information which identifies a characteristic of the enunciated data exclusive of spatial position information. The second type of metadata identifies a spatial position information associated with the enunciated data.

Description

Technical field [0001] The arrangement of the present invention relates to the field of audio processing and presentation, and in particular to combining and customizing multiple audio environments to give the user a preferred illusion of sound located in a three-dimensional space surrounding the listener. Background technique [0002] Stereo is the sound processed to provide the listener with a three-dimensional virtual audio environment. This type of audio allows the listener to be virtually immersed in any environment to simulate a more realistic experience. Making binaural sound come from different spatial positions outside the listener's head is different from stereo and different from mono audio. [0003] The binaural sound can be provided to the listener through a speaker fixed in the room or through a speaker fixed to each ear of the listener. Using a set of indoor speakers to provide specific binaural sound to each ear is difficult due to acoustic crosstalk and because t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R27/00H04S7/00
CPCH04S1/002H04S7/304H04R2460/07H04R2420/07H04R27/00H03M7/30H04S7/00H04S5/00
Inventor 保罗·L·绍克
Owner HARRIS CORP
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