Sound effect control method for orthogonal substrate correction and sound effect output device

A technology of orthogonal substrate and control method, applied in transducer circuits, sensors, signal processing, etc., can solve the problems of user's presence discount, keeping sound signal unchanged, affecting user's experience, etc., to improve presence sense, the effect of enhancing the sense of direction

Active Publication Date: 2020-03-13
ACER INC
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  • Abstract
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Problems solved by technology

[0003] However, in the current application, although the screen can change with the user's rotation, the sound signal remains unchanged, which greatly reduces the user's sense of presence
[0004] Especially in multi-channel technology, when the user rotates, the change ratio between the multi-channels is not adjusted with the rotation angle, which greatly affects the user's experience

Method used

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  • Sound effect control method for orthogonal substrate correction and sound effect output device
  • Sound effect control method for orthogonal substrate correction and sound effect output device
  • Sound effect control method for orthogonal substrate correction and sound effect output device

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Embodiment Construction

[0056] Please refer to figure 1 , which shows a schematic diagram of an audio output device 100 , a head-mounted display 200 and a computing device 300 according to an implementation. The audio output device 100 can be combined with the head-mounted display 200 to allow the user to play a virtual reality (VR) game or visit a virtual store. The display content V2 of the head-mounted display 200 and an original left channel signal eL and an original right channel signal eR of the audio output device 100 are provided by the computing device 300 . As the user rotates, the displayed content V2 will change accordingly. In this embodiment, according to the rotation of the user, the original left channel original signal eL and the right channel original signal eR can be converted into multi-channel analog signals of six or eight virtual speakers, and the multi-channel analog signals can be A left channel correction signal ZL and a right channel correction signal ZR are modified by u...

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Abstract

The invention discloses a sound effect control method for orthogonal substrate correction and a sound effect output device. The sound effect control method comprises the following steps: six or eightsound channel initial signals are generated according to a left sound channel original signal and a right sound channel original signal; a first gain is calculated according to a rotation angle and afirst axial angle, a second gain is calculated according to the rotation angle and a second axial angle, and the first axial angle and the second axial angle are orthogonal; and a left channel correction signal and a right channel correction signal are synthesized according to the first gain and the second gain.

Description

technical field [0001] The present invention relates to a sound effect control method and a sound effect output device, and in particular to a sound effect control method and a sound effect output device for orthogonal basis correction. Background technique [0002] With the development of interactive display technology, various interactive display devices are constantly being introduced. Taking a head-mounted display (HMD) as an example, a user wears the head-mounted display to display a virtual reality (VR) picture in front of his eyes. As the user moves or rotates, the head-mounted display can present corresponding images, making the user feel like being in a certain virtual scene. [0003] However, in the current application, although the screen can change with the rotation of the user, the sound signal remains unchanged, so that the user's sense of presence is greatly reduced. [0004] Especially in the multi-channel technology, when the user rotates, the change ratio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R3/00
CPCH04R3/00H04R2430/00
Inventor 杜博仁张嘉仁曾凯盟
Owner ACER INC
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