WO2013135079A1 - 声道自动切换器 - Google Patents

声道自动切换器 Download PDF

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Publication number
WO2013135079A1
WO2013135079A1 PCT/CN2012/085955 CN2012085955W WO2013135079A1 WO 2013135079 A1 WO2013135079 A1 WO 2013135079A1 CN 2012085955 W CN2012085955 W CN 2012085955W WO 2013135079 A1 WO2013135079 A1 WO 2013135079A1
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Prior art keywords
channel
speaker
processor
sound
speakers
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PCT/CN2012/085955
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English (en)
French (fr)
Inventor
武永涛
谢守华
陈奋
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国光电器股份有限公司
梧州恒声电子科技有限公司
广州仰诚精密电子有限公司
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Application filed by 国光电器股份有限公司, 梧州恒声电子科技有限公司, 广州仰诚精密电子有限公司 filed Critical 国光电器股份有限公司
Publication of WO2013135079A1 publication Critical patent/WO2013135079A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • H04S7/302Electronic adaptation of stereophonic sound system to listener position or orientation
    • H04S7/303Tracking of listener position or orientation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S1/00Two-channel systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control

Definitions

  • the utility model relates to an audio device, in particular to a device capable of automatically switching the output of a sound channel according to the transformation of the posture.
  • G-sensor is a gravity sensor that senses the change in acceleration force, which is the force that acts on an object during acceleration.
  • G-sensor a gravity sensor that senses the change in acceleration force, which is the force that acts on an object during acceleration.
  • various movement changes such as shaking, falling, rising, falling, etc. can be converted into electrical signals by G-sensor, and then through the calculation and analysis of the microprocessor, the programmed function can be completed.
  • the operation interface will follow a certain angle to adapt to the operator's posture, thereby achieving the purpose of facilitating the operator's operation.
  • These high-end digital products give people a good enjoyment in visual function, but they lack in auditory functions.
  • a typical tablet or smartphone has only one speaker or two speakers, that is, two speakers.
  • the fixed output is responsible for outputting the left channel or the right channel. In the normal attitude, the output of the left and right channels can achieve good music effects, but once the operator rotates the digital product by a certain angle, the left and right channels are output. The sound is not the best position for the human ear, so the sound will be reduced.
  • the technical problem to be solved by the utility model is to provide a channel automatic switcher, which can automatically switch the channel output according to the transformation of the posture, so that the speaker on the left outputs the left channel, and the speaker on the right outputs the right channel, Improve the sound of the output.
  • a channel automatic switcher including a three-dimensional sensor, a processor, a channel switching module, an audio signal source, and two or more speakers; the three-dimensional sensor acquires a channel Automatically switching the current pose of the switch to the processor, the processor controlling the channel switching module to output the speakers of the different channels assigned to the left and right channels of the audio signal source.
  • the three-dimensional sensor is a gravity sensor, a gyroscope or a three-dimensional accelerator.
  • the processor is a single chip microcomputer.
  • the channel switching module shown is an electronic switch, a mechanical switch or a relay set.
  • the processor controls the channel switching module according to the attitude sensed by the three-dimensional sensor, so that the speakers of the two channels on the left side of each posture output the left channel, and the speakers of the two channels on the right side output the right channel.
  • the relay group includes four relays, the left and right channels of the audio signal source are respectively connected to four relays, and the four relays are respectively connected to the speakers of one channel.
  • the channel automatic switcher of the utility model can automatically switch the channel output according to the transformation of the posture, so that the speaker on the left outputs the left channel, and the speaker on the right outputs the right channel, and the actual sound effect perceived by the user is still located.
  • the speaker on the left hand side outputs the left channel sound
  • the right hand side speaker outputs the right channel sound, thereby ensuring the rotation of the device in any orientation, ensuring the consistency of the sound orientation, and perfectly reproducing the music at any time and orientation.
  • the real effects in the movie enhance the fun of the user experience.
  • Figure 1 is a block diagram of the structure of the present invention.
  • FIG. 2 is a schematic view showing the state of the tablet computer in the first embodiment.
  • Fig. 3 is a schematic view showing the state of the tablet computer of the embodiment 2;
  • Fig. 4 is a schematic view showing the state of the tablet computer of the embodiment 3;
  • Fig. 5 is a schematic view showing the state of the tablet computer in the state D. detailed description
  • a channel automatic switcher is used in conjunction with the tablet 9.
  • the channel auto-switch includes a three-dimensional sensor 5, a processor 6, a channel switching module 8, an audio signal source 7, and four speakers 1, 2, 3, 4.
  • the three-dimensional sensor 5 is a gravity sensor capable of acquiring the posture of the tablet computer 9 to generate an electrical signal;
  • the processor 6 is a single chip microcomputer;
  • the channel switching module 8 is an electronic switch, and the electronic switch is an integrated IC.
  • the audio signal source 7 can be obtained from the built-in audio source of the tablet 9; the four speakers, the first speaker 1, the second speaker 2, the third speaker 3, and the fourth speaker 4 are distributed in a regular quadrilateral shape.
  • the three-dimensional sensor 5 acquires the current attitude of the channel auto-switch and passes the signal to the processor 6, the processor 6 controls the channel switching module 8 to the left and right channels of the audio signal source 7.
  • the processor 6 controls the channel switching module 8 to the left and right channels of the audio signal source 7.
  • the processor 6 controls the channel switching module 8 to the left and right channels of the audio signal source 7.
  • the processor 6 controls the channel switching module 8 to the left and right channels of the audio signal source 7.
  • two of the speakers are output in the left channel and the other two speakers are output in the right channel. As shown in FIG.
  • the processor 6 acquires the tablet 9 in the state A, and transmits a signal to the processor 6, and the processor 6 operates the channel switching module 8 to make the audio signal source 7
  • the left channel is output through the first speaker 1 and the fourth speaker 4
  • the right channel is output through the second speaker 2 and the third speaker 3, thereby ensuring the consistency of the sound orientation and enhancing the fun in the user experience.
  • a channel automatic switcher is used in conjunction with the tablet 9.
  • the channel automatic switcher includes a three-dimensional sensor 5, a processor 6, a channel switching module 8, an audio signal source 7, and four speakers 1, 2, 3, 4.
  • the three-dimensional sensor 5 is a gyroscope capable of acquiring the posture of the tablet computer 9 to generate an electrical signal;
  • the processor 6 is a single-chip microcomputer;
  • the channel switching module 8 is a mechanical switch;
  • the audio signal source 7 can be Obtained from the built-in audio source of the tablet 9; the four speakers, the first speaker 1, the second speaker 2, the third speaker 3, and the fourth speaker 4 are distributed in a regular quadrangular shape.
  • the three-dimensional sensor 5 acquires the current posture of the channel auto-switch and transmits a signal to the processor 6, and the processor 6 controls the channel switching module 8 to the left and right channels of the audio signal source 7.
  • the processor 6 controls the channel switching module 8 to the left and right channels of the audio signal source 7.
  • two of the speakers are output in the left channel and the other two speakers are output in the right channel.
  • FIG. 3 when the tablet 9 is in the state B, that is, the state A is rotated 90° counterclockwise, the first speaker 1 is at the lower left, the second speaker 2 is at the upper left, and the third speaker 3 is at the upper right, the fourth speaker.
  • the three-dimensional sensor 5 acquires the tablet 9 in the state B, and transmits a signal to the processor 6, and the processor 6 acts on the channel switching module 8 to pass the left channel of the audio signal source 7 through the first speaker 1.
  • the second speaker 2 outputs, and the right channel is output through the third speaker 3 and the fourth speaker 4, thereby ensuring the consistency of the sound orientation and enhancing the fun in the user experience process.
  • a channel automatic switcher is used in conjunction with the tablet 9.
  • the channel auto-switch includes a three-dimensional sensor 5, a processor 6, a channel switching module 8, an audio signal source 7, and four speakers 1, 2, 3, 4.
  • the three-dimensional sensor 5 is a three-dimensional accelerator capable of acquiring the posture of the tablet computer 9 to generate an electrical signal;
  • the processor 6 is a single-chip microcomputer;
  • the channel switching module 8 is a relay group, the relay group includes four relays, the left and right channels of the audio signal source 7 are respectively connected with four relays, and the four relays are respectively connected with the speakers of one channel;
  • the audio signal source 7 can be obtained from the built-in audio source of the tablet computer 9; the four speakers, the first speaker 1, the second speaker 2, the third speaker 3, and the fourth speaker 4 are distributed in a regular quadrangular shape.
  • the three-dimensional sensor 5 acquires the current attitude of the channel auto-switch and passes the signal to the processor 6, and the processor 6 controls the channel switching module 8 to the left and right channels of the audio signal source 7.
  • the processor 6 controls the channel switching module 8 to the left and right channels of the audio signal source 7.
  • two of the speakers are output in the left channel and the other two speakers are output in the right channel.
  • FIG. 4 when the tablet 9 is in the state C, that is, the state A is rotated 180° counterclockwise, the first speaker 1 is at the lower right, the second speaker 2 is at the lower left, and the third speaker 3 is at the upper left, the fourth speaker.
  • the three-dimensional sensor 5 acquires that the tablet 9 is in the state C, and transmits a signal to the processor 6, and the processor 6 acts on the channel switching module 8 to pass the left channel of the audio signal source 7 through the second speaker 2 And the output of the third speaker 3, and the right channel is output through the first speaker 1 and the fourth speaker 4, thereby ensuring the consistency of the sound orientation, and enhancing the fun in the user experience process.
  • a channel automatic switcher is used in conjunction with the tablet 9.
  • the channel auto-switch includes a three-dimensional sensor 5, a processor 6, a channel switching module 8, an audio signal source 7, and four speakers 1, 2, 3, 4.
  • the three-dimensional sensor 5 is a gravity sensor capable of acquiring the posture of the tablet computer 9 to generate an electrical signal;
  • the processor 6 is a single chip microcomputer;
  • the channel switching module 8 is an electronic switch, and the electronic switch is an integrated IC.
  • the audio signal source 7 can be obtained from the built-in audio source of the tablet 9; the four speakers, the first speaker 1, the second speaker 2, the third speaker 3, and the fourth speaker 4 are distributed in a regular quadrilateral shape.
  • the three-dimensional sensor 5 acquires the current attitude of the channel auto-switch and passes the signal to the processor 6, the processor 6 controls the channel switching module 8 to the left and right channels of the audio signal source 7.
  • the processor 6 controls the channel switching module 8 to the left and right channels of the audio signal source 7.
  • the processor 6 controls the channel switching module 8 to the left and right channels of the audio signal source 7.
  • the processor 6 controls the channel switching module 8 to the left and right channels of the audio signal source 7.
  • the processor 6 controls the channel switching module 8 to the left and right channels of the audio signal source 7.
  • the processor 6 controls the channel switching module 8 to the left and right channels of the audio signal source 7.
  • the processor 6 controls the channel switching module 8 to the left and right channels of the audio signal source 7.
  • the processor 6 controls the channel switching module 8 to the left and right channels of the audio signal source 7.
  • the processor 6 controls the channel switching module 8 to the left and right channels of the audio signal source 7.
  • the processor 6 controls the channel switching module 8 to the left and right channels of the audio signal source
  • the three-dimensional sensor 5 acquires that the tablet 9 is in the state D, and transmits a signal to the processor 6, and the processor 6 acts on the channel switching module 8 to pass the left channel of the audio signal source 7 through the third speaker 3.
  • the fourth speaker 4 outputs, and the right channel is output through the first speaker 1 and the second speaker 2, thereby ensuring the consistency of the sound orientation, and enhancing the fun in the user experience process.
  • the automatic channel switcher of the present invention can automatically switch the channel output according to the attitude change, so that the speaker on the left outputs the left channel, and the speaker on the right outputs the right channel, and the user feels the actual.
  • the sound effect is still that the speaker on the left hand side of the person outputs the left channel sound, and the speaker on the right hand side outputs the right channel sound, thus ensuring the rotation of the device in any orientation, ensuring the consistency of the sound orientation, at any time and orientation. It can perfectly reproduce the real effects in music/movies, and enhance the fun of the user experience.
  • the present invention uses four speakers as an example of channel switching.
  • the operation principle of having multiple speakers is the same, and will not be described in detail herein.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

一种声道自动切换器,包括三维传感器(5)、处理器(6)、通道切换模块(8)和音频信号源(7);所述三维传感器(5)获取声道自动切换器的当前姿态并将信号传递至处理器(6),处理器(6)控制通道切换模块(8)将音频信号源的左声道和右声道分配到四个不同通道的扬声器中;本声道自动切换器能够适应姿态的变换而自动切换声道输出,使处于左边的扬声器输出左声道,处于右边的扬声器输出右声道,用户感受到的实际声音效果仍然是位于人左手边的扬声器输出左声道声音、右手边的扬声器输出右声道声音,从而保证了设备在任何方位的转动,都保证了声音方位的一致性。

Description

说 明 书 声道自动切换器 技术领域
本实用新型涉及音频设备, 尤其是能够适应姿态的变换而自动切换声 道输出的装置。 背景技术
随着技术的进步, 电子数码产品不断推陈出新, 新一代的电子数码产 品智能掌上设备, 如智能手机、 平板电脑等有图像自动旋转功能的便携设 备崛起较快, 智能掌上设备以其强大的娱乐功能深受广大年轻人喜爱。 目 前, 平板电脑和高端的智能手机都会集成一个 G-sensor (Gravity- sensor) 即重力感应器, 它能够感知到加速力的变化, 加速力就是当物体在加速过 程中作用在物体上的力, 比如晃动、 跌落、 上升、 下降等各种移动变化都 能被 G-sensor转化为电信号, 然后通过微处理器的计算分析后, 就能够完 成程序设计好的功能。 比如说平板电脑或智能手机在转过一定角度之后, 其操作界面会跟随转过一定角度以适应操作者的姿态, 从而到达使操作者 方便操作的目的。这些高端的数码产品在视觉功能上给了人们很好的享受, 但是在听觉功能上却有所欠缺, 目前一般的平板电脑或智能手机只有一个 扬声器或两个扬声器, 也就是说, 两个扬声器固定负责输出左声道或右声 道, 正常姿态下, 左、 右声道的输出是能够达到很好的音乐效果的, 但是 一旦操作者将数码产品旋转一定角度后, 左、 右声道输出的声音对人的耳 朵来说并不是最佳的位置, 因此音效会有所下降。 发明内容 本实用新型所要解决的技术问题是提供一种声道自动切换器, 能够适 应姿态的变换而自动切换声道输出, 使处于左边的扬声器输出左声道, 处 于右边的扬声器输出右声道, 以提高输出的音效。
为解决上述技术问题, 本实用新型的技术方案是: 一种声道自动切换 器, 包括三维传感器、 处理器、 通道切换模块、 音频信号源和两个以上的 扬声器; 所述三维传感器获取声道自动切换器的当前姿态并将信号传递至 所述处理器, 所述处理器控制所述通道切换模块将音频信号源的左声道和 右声道分配的不同通道的扬声器中输出。
作为改进, 设有四个扬声器, 其中两个扬声器按左声道输出, 另外两 个扬声器按右声道输出。
作为改进, 所述三维传感器为重力传感器、 陀螺仪或三维加速器。 作为改进, 所述处理器为单片机。
作为改进, 所示通道切换模块为电子开关、 机械开关或继电器组。 处 理器根据三维传感器感应的姿态控制通道切换模块动作, 使每个姿态下处 于左边的两个通道的扬声器输出左声道, 处于右边的两个通道的扬声器输 出右声道。
作为改进, 所述继电器组包括四个继电器, 所述音频信号源的左、 右 声道分别与四个继电器连接, 四个所述继电器分别与一个通道的扬声器连 接。
本实用新型与现有技术相比所带来的有益效果是:
本实用新型的声道自动切换器能够适应姿态的变换而自动切换声道输 出, 使处于左边的扬声器输出左声道, 处于右边的扬声器输出右声道, 用 户感受到的实际声音效果仍然是位于人左手边的扬声器输出左声道声音、 右手边的扬声器输出右声道声音, 从而保证了设备在任何方位的转动, 都 保证了声音方位的一致性, 任何时候和方位都能完美再现音乐 /电影里的真 实效果, 增强了用户体验过程中的乐趣。 附图说明
图 1为本实用新型结构框图。
图 2为实施例 1平板电脑处于状态 A示意图。
图 3为实施例 2平板电脑处于状态 B示意图。
图 4为实施例 3平板电脑处于状态 C示意图。
图 5为实施例 4平板电脑处于状态 D示意图。 具体实施方式
下面结合说明书附图对本实用新型作进一步说明。
实施例 1
如图 1所示, 一种声道自动切换器, 配合平板电脑 9使用。 所述声道 自动切换器包括三维传感器 5、 处理器 6、 通道切换模块 8、 音频信号源 7 和四个扬声器 1、 2、 3、 4。 本实施例中, 三维传感器 5为重力传感器, 能 够获取平板电脑 9的姿态, 从而产生电信号; 所述处理器 6为单片机; 所 述通道切换模块 8为电子开关, 所述电子开关为集成 IC; 所述音频信号源 7可以从平板电脑 9内置音频源获取; 所述四个扬声器第一扬声器 1、第二 扬声器 2、 第三扬声器 3、 第四扬声器 4成正四边形分布。 所述三维传感器 5获取声道自动切换器的当前姿态并将信号传递至所述处理器 6,所述处理 器 6控制所述通道切换模块 8将音频信号源 7的左声道和右声道分配的四 个不同通道的扬声器中, 其中两个扬声器按左声道输出, 另外两个扬声器 按右声道输出。 如图 2所示, 当平板电脑 9处于状态 A时, 第一扬声器 1 处于左上方, 第二扬声器 2处于右上方, 第三扬声器 3处于右下方, 第四 扬声器 4处于左下方, 此时三维传感器 5获取到平板电脑 9处于状态 A, 并给处理器 6传递信号, 处理器 6动作通道切换模块 8, 使音频信号源 7 的左声道通过第一扬声器 1和第四扬声器 4输出, 而右声道通过第二扬声 器 2和第三扬声器 3输出, 从而保证了声音方位的一致性, 增强了用户体 验过程中的乐趣。
实施例 2
如图 1所示, 一种声道自动切换器, 配合平板电脑 9使用。 所述声道 自动切换器包括三维传感器 5、 处理器 6、 通道切换模块 8、 音频信号源 7 和四个扬声器 1、 2、 3、 4。 本实施例中, 三维传感器 5为陀螺仪, 能够获 取平板电脑 9的姿态, 从而产生电信号; 所述处理器 6为单片机; 所述通 道切换模块 8为机械开关; 所述音频信号源 7可以从平板电脑 9内置音频 源获取; 所述四个扬声器第一扬声器 1、 第二扬声器 2、 第三扬声器 3、 第 四扬声器 4成正四边形分布。 所述三维传感器 5获取声道自动切换器的当 前姿态并将信号传递至所述处理器 6, 所述处理器 6控制所述通道切换模 块 8将音频信号源 7的左声道和右声道分配的四个不同通道的扬声器中, 其中两个扬声器按左声道输出, 另外两个扬声器按右声道输出。 如图 3所 示, 当平板电脑 9处于状态 B即状态 A逆时针旋转 90° 时, 第一扬声器 1 处于左下方, 第二扬声器 2处于左上方, 第三扬声器 3处于右上方, 第四 扬声器 4处于右下方, 此时三维传感器 5获取到平板电脑 9处于状态 B , 并给处理器 6传递信号, 处理器 6动作通道切换模块 8, 使音频信号源 7 的左声道通过第一扬声器 1和第二扬声器 2输出, 而右声道通过第三扬声 器 3和第四扬声器 4输出, 从而保证了声音方位的一致性, 增强了用户体 验过程中的乐趣。
实施例 3
如图 1所示, 一种声道自动切换器, 配合平板电脑 9使用。 所述声道 自动切换器包括三维传感器 5、 处理器 6、 通道切换模块 8、 音频信号源 7 和四个扬声器 1、 2、 3、 4。 本实施例中, 三维传感器 5为三维加速器, 能 够获取平板电脑 9的姿态, 从而产生电信号; 所述处理器 6为单片机; 所 述通道切换模块 8为继电器组, 所述继电器组包括四个继电器, 所述音频 信号源 7的左、 右声道分别与四个继电器连接, 四个所述继电器分别与一 个通道的扬声器连接; 所述音频信号源 7可以从平板电脑 9内置音频源获 取; 所述四个扬声器第一扬声器 1、 第二扬声器 2、 第三扬声器 3、 第四扬 声器 4成正四边形分布。 所述三维传感器 5获取声道自动切换器的当前姿 态并将信号传递至所述处理器 6, 所述处理器 6控制所述通道切换模块 8 将音频信号源 7的左声道和右声道分配的四个不同通道的扬声器中, 其中 两个扬声器按左声道输出, 另外两个扬声器按右声道输出。 如图 4所示, 当平板电脑 9处于状态 C即状态 A逆时针旋转 180° 时, 第一扬声器 1处 于右下方, 第二扬声器 2处于左下方, 第三扬声器 3处于左上方, 第四扬 声器 4处于右上方, 此时三维传感器 5获取到平板电脑 9处于状态 C, 并 给处理器 6传递信号, 处理器 6动作通道切换模块 8, 使音频信号源 7的 左声道通过第二扬声器 2和第三扬声器 3输出, 而右声道通过第一扬声器 1和第四扬声器 4输出, 从而保证了声音方位的一致性, 增强了用户体验 过程中的乐趣。
实施例 4
如图 1所示, 一种声道自动切换器, 配合平板电脑 9使用。 所述声道 自动切换器包括三维传感器 5、 处理器 6、 通道切换模块 8、 音频信号源 7 和四个扬声器 1、 2、 3、 4。 本实施例中, 三维传感器 5为重力传感器, 能 够获取平板电脑 9的姿态, 从而产生电信号; 所述处理器 6为单片机; 所 述通道切换模块 8为电子开关, 所述电子开关为集成 IC; 所述音频信号源 7可以从平板电脑 9内置音频源获取; 所述四个扬声器第一扬声器 1、第二 扬声器 2、 第三扬声器 3、 第四扬声器 4成正四边形分布。 所述三维传感器 5获取声道自动切换器的当前姿态并将信号传递至所述处理器 6,所述处理 器 6控制所述通道切换模块 8将音频信号源 7的左声道和右声道分配的四 个不同通道的扬声器中, 其中两个扬声器按左声道输出, 另外两个扬声器 按右声道输出。 如图 5所示, 当平板电脑 9处于状态 D即状态 A逆时针旋 转 270° 时, 第一扬声器 1处于右上方, 第二扬声器 2处于右下方, 第三 扬声器 3处于左下方, 第四扬声器 4处于左上方, 此时三维传感器 5获取 到平板电脑 9处于状态 D, 并给处理器 6传递信号, 处理器 6动作通道切 换模块 8, 使音频信号源 7的左声道通过第三扬声器 3和第四扬声器 4输 出, 而右声道通过第一扬声器 1和第二扬声器 2输出, 从而保证了声音方 位的一致性, 增强了用户体验过程中的乐趣。
综上所述, 本实用新型的声道自动切换器能够适应姿态的变换而自动 切换声道输出, 使处于左边的扬声器输出左声道, 处于右边的扬声器输出 右声道, 用户感受到的实际声音效果仍然是位于人左手边的扬声器输出左 声道声音、 右手边的扬声器输出右声道声音, 从而保证了设备在任何方位 的转动, 都保证了声音方位的一致性, 任何时候和方位都能完美再现音乐 / 电影里的真实效果, 增强了用户体验过程中的乐趣。
需要注意的是,本实用新型是以四个扬声器作为声道切换的实例说明, 具有多个扬声器的操作原理一样, 在这里不再详细叙述。

Claims

权 利 要 求 书
1. 一种声道自动切换器, 其特征在于: 包括三维传感器、 处理器、 通道切 换模块、 音频信号源和两个以上的扬声器; 所述三维传感器获取声道自 动切换器的当前姿态并将信号传递至所述处理器,所述处理器控制所述 通道切换模块将音频信号源的左声道和右声道分配的不同通道的扬声 器中输出。
2. 根据权利要求 1所述的一种声道自动切换器, 其特征在于: 设有四个扬 声器, 其中两个扬声器按左声道输出, 另外两个扬声器按右声道输出。
3. 根据权利要求 1所述的一种声道自动切换器, 其特征在于: 所述三维传 感器为重力传感器、 陀螺仪或三维加速器。
4. 根据权利要求 1所述的一种声道自动切换器, 其特征在于: 所述处理器 为单片机。
5. 根据权利要求 1所述的一种声道自动切换器, 其特征在于: 所示通道切 换模块为电子开关、 机械开关或继电器组。
6. 根据权利要求 5所述的一种声道自动切换器, 其特征在于: 所述继电器 组包括四个继电器, 所述音频信号源的左、右声道分别与四个继电器连 接, 四个所述继电器分别与一个通道的扬声器连接。
PCT/CN2012/085955 2012-03-15 2012-12-05 声道自动切换器 WO2013135079A1 (zh)

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