Method and apparatus for rendering acoustic signal, and computer-readable recording medium

    公开(公告)号:US12035130B2

    公开(公告)日:2024-07-09

    申请号:US17841412

    申请日:2022-06-15

    Abstract: In cases of rendering a multichannel signal such as a 22.2 channel signal as a 5.1 channel signal, a three dimensional (3D) audio signal may be reproduced using a two dimensional (2D) output channel, but rendered audio signals are sensitively affected by a layout of speakers and may cause distortion of a sound image when the layout of arranged speakers is different from a standard layout. The present invention may solve the aforementioned problem of the prior art. The audio signal rendering method for reducing distortion of a sound image even when the layout of the arranged speakers is different from the standard layout, according to one embodiment of the present invention, includes: receiving a multi-channel signal including a plurality of input channels that are to be converted to a plurality of output channels; obtaining deviation information about at least one output channel, from a location of a speaker and a standard location corresponding to each of the plurality of output channels; and modifying a panning gain from a height channel included in the plurality of input channels to the output channel having the deviation information, based on obtained deviation information.

    METHOD AND APPARATUS FOR RENDERING ACOUSTIC SIGNAL, AND COMPUTERREADABLE RECORDING MEDIUM

    公开(公告)号:US20220322026A1

    公开(公告)日:2022-10-06

    申请号:US17841380

    申请日:2022-06-15

    Abstract: In cases of rendering a multichannel signal such as a 22.2 channel signal as a 5.1 channel signal, a three dimensional (3D) audio signal may be reproduced using a two dimensional (2D) output channel, but rendered audio signals are sensitively affected by a layout of speakers and may cause distortion of a sound image when the layout of arranged speakers is different from a standard layout. The present invention may solve the aforementioned problem of the prior art. The audio signal rendering method for reducing distortion of a sound image even when the layout of the arranged speakers is different from the standard layout, according to one embodiment of the present invention, includes: receiving a multi-channel signal including a plurality of input channels that are to be converted to a plurality of output channels; obtaining deviation information about at least one output channel, from a location of a speaker and a standard location corresponding to each of the plurality of output channels; and modifying a panning gain from a height channel included in the plurality of input channels to the output channel having the deviation information, based on obtained deviation information.

    Method and device for generating and playing back audio signal

    公开(公告)号:US10349197B2

    公开(公告)日:2019-07-09

    申请号:US15503521

    申请日:2015-08-13

    Abstract: According to an aspect of an embodiment, an audio generation method includes: receiving an audio signal through at least one microphone; generating an input channel signal corresponding to each of the at least one microphone based on the received audio signal; generating a virtual input channel signal based on the input channel signal; generating additional information including reproduction locations of the input channel signal and the virtual input channel signal; and transmitting a multi-channel audio signal and the additional information, the multi-channel audio signal including the input channel signal and the virtual input channel signal.

    Audio apparatus and audio providing method thereof
    16.
    发明授权
    Audio apparatus and audio providing method thereof 有权
    音频设备和音频提供方法

    公开(公告)号:US09549276B2

    公开(公告)日:2017-01-17

    申请号:US14781235

    申请日:2014-03-28

    Abstract: Disclosed are an audio apparatus and an audio providing method thereof. The audio providing method includes receiving an audio signal including a plurality of channels, applying an audio signal having a channel, from among the plurality of channels, giving a sense of elevation to a filter to generate a plurality of virtual audio signals to be respectively output to a plurality of speakers, applying a combination gain value and a delay value to the plurality of virtual audio signals so that the plurality of virtual audio signals respectively output through the plurality of speakers form a sound field having a plane wave, and respectively outputting the plurality of virtual audio signals, to which the combination gain value and the delay value are applied, through the plurality of speakers. The filter processes the audio signal to have a sense of elevation.

    Abstract translation: 公开了一种音频装置及其音频提供方法。 音频提供方法包括从多个信道中接收包括多个信道的音频信号,应用具有信道的音频信号,给出滤波器的高程感,以产生要分别输出的多个虚拟音频信号 向多个扬声器施加组合增益值和延迟值到多个虚拟音频信号,使得分别通过多个扬声器输出的多个虚拟音频信号形成具有平面波的声场,并分别输出 多个虚拟音频信号通过多个扬声器施加组合增益值和延迟值。 滤波器处理音频信号以具有高程感。

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