CN113423044A - Electronic switch circuit and electronic tube sound card based on same - Google Patents
Electronic switch circuit and electronic tube sound card based on same Download PDFInfo
- Publication number
- CN113423044A CN113423044A CN202110833165.7A CN202110833165A CN113423044A CN 113423044 A CN113423044 A CN 113423044A CN 202110833165 A CN202110833165 A CN 202110833165A CN 113423044 A CN113423044 A CN 113423044A
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- audio
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- electronic switch
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- 238000001514 detection method Methods 0.000 claims abstract description 18
- 230000005236 sound signal Effects 0.000 claims abstract description 5
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
- H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
本发明公开了一种电子开关电路及基于该电路的电子管声卡，包括左、右声道电子开关、音频信号源和一个扬声器接口端，扬声器接口端内设置有静音电路，静音电路设置有接口检测模块，在接口检测模块中设置有耳机插口和检测单元，接口检测模块与一个用于输出音频设备连接有效的控制信号的主控制器相连，主控制器分别与控制单元和音视频处理器相连，主控制器用于接收音频设备连接有效的信号，控制内置扬声器的导通或关断。本发明实现了音响设备在不同工作模式下的无缝切换，通过音视频处理器来实现多媒体接口模式时的内置扬声器静音控制，实现了音响设备、声卡可根据其工作模式对其内置扬声器进行有效静音控制的功能。
The invention discloses an electronic switch circuit and an electronic tube sound card based on the circuit, comprising left and right channel electronic switches, an audio signal source and a speaker interface end. The speaker interface end is provided with a mute circuit, and the mute circuit is provided with an interface detection The interface detection module is provided with a headphone jack and a detection unit. The interface detection module is connected with a main controller for outputting an effective control signal for audio equipment connection. The main controller is respectively connected with the control unit and the audio and video processor. The controller is used to receive the signal that the audio equipment is connected effectively, and control the on or off of the built-in speaker. The invention realizes the seamless switching of audio equipment under different working modes, realizes the mute control of the built-in speakers in the multimedia interface mode through the audio and video processor, and realizes that the audio equipment and the sound card can effectively operate the built-in speakers according to their working modes. Function of mute control.
Description
Technical Field
The present invention relates to a switching circuit and a sound card, and more particularly, to an electronic switching circuit and a sound card for an electronic tube based on the same.
Background
In the prior art, the sound equipment is provided with an earphone interface or a built-in loudspeaker, particularly the portable sound equipment, when the portable sound equipment uses the built-in loudspeaker, if the external equipment is inserted into the external interface, the sound equipment can automatically close the built-in loudspeaker, and an audio signal is sent into the earphone from the earphone interface instead. However, in the portable audio equipment of the prior art, the defect that the built-in loudspeaker cannot be effectively muted when the working mode is switched exists, and the problem needs to be solved.
Disclosure of Invention
The invention aims to provide an electronic switch circuit and a valve sound card based on the same, which solve the defects in the prior art.
The invention is realized by adopting the following technical scheme:
an electronic switch circuit comprises a left channel electronic switch and a right channel electronic switch, and is characterized in that the left channel electronic switch and the right channel electronic switch are respectively connected with an audio signal source and a loudspeaker interface end, the electronic switch circuit further comprises a control circuit, the control circuit is used for switching on or off the left channel electronic switch and the right channel electronic switch, a mute circuit is arranged in the loudspeaker interface end, the mute circuit is provided with an interface detection module, an earphone socket and a detection unit are arranged in the interface detection module, the interface detection module is used for detecting whether an external audio device exists or not, the interface detection module is connected with a main controller used for outputting an audio device connection effective signal, the main controller is respectively connected with the control unit and an audio and video processor, and the main controller is used for receiving the audio device connection effective signal, and controlling the on or off of the built-in loudspeaker.
Further, the main controller is an MCU microcontroller or a single chip microcomputer.
A sound card of an electron tube is characterized in that an electronic switch circuit is arranged in the sound card of the electron tube.
The invention has the beneficial technical effects that: the sound equipment is seamlessly switched under different working modes by setting a loudspeaker mute switching function for the sound equipment, and the sound equipment and the sound card can effectively mute and control the built-in loudspeaker according to the working modes by realizing the mute control of the built-in loudspeaker in the multimedia interface mode through the audio and video processor.
Drawings
Fig. 1 is a schematic block diagram of the circuit of the present invention.
Fig. 2 is a schematic block circuit diagram of a speaker interface side muting circuit.
Detailed Description
The invention will be better understood by the following description of embodiments thereof, but the applicant's specific embodiments are not intended to limit the invention to the particular embodiments shown, and any changes in the definition of parts or features and/or in the overall structure, not essential changes, are intended to define the scope of the invention.
Such as the electronic switching circuit and the valve sound card shown in fig. 1 and 2, an electronic switching circuit is provided in the valve sound card. The electronic switch circuit comprises a left channel electronic switch and a right channel electronic switch, the left channel electronic switch and the right channel electronic switch are respectively connected with an audio signal source and a loudspeaker interface end, the electronic switch circuit also comprises a control circuit, the control circuit is used for controlling the closing or the closing of the left channel electronic switch and the right channel electronic switch, a mute circuit is arranged in the loudspeaker interface end, the mute circuit is provided with an interface detection module, an earphone socket and a detection unit are arranged in the interface detection module, the interface detection module is used for detecting whether an external audio device exists or not, the interface detection module is connected with a main controller used for outputting effective control signals for connecting the audio device, in the embodiment, the main controller is an MCU microcontroller or a single chip microcomputer, the main controller is respectively connected with the control unit and an audio and video processor, and the audio and video processor is used for establishing data interaction with a memory according to the corresponding relation of the main controller and a shared memory created by the electronic tube sound card, and/or audio and video data are sent to the main controller through data interaction, and the main controller is used for receiving effective signals of audio equipment connection and controlling the on or off of the built-in loudspeaker. The invention can switch the mute function of the loudspeaker when the sound equipment is played, synchronously play and mute in real time without delay, realize mute control of the built-in sound field device in a multimedia interface mode through the audio and video processor, increase user experience, simultaneously can set audio information for simultaneously collecting left and right sounds under the action of the main controller, synchronously play audio on a plurality of screens by utilizing the electronic switch, and can switch the built-in loudspeaker to be switched on or off at any time.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that all such changes and modifications as fall within the true spirit and scope of the invention be considered as within the following claims.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110833165.7A CN113423044A (en) | 2021-07-22 | 2021-07-22 | Electronic switch circuit and electronic tube sound card based on same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110833165.7A CN113423044A (en) | 2021-07-22 | 2021-07-22 | Electronic switch circuit and electronic tube sound card based on same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113423044A true CN113423044A (en) | 2021-09-21 |
Family
ID=77718104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110833165.7A Pending CN113423044A (en) | 2021-07-22 | 2021-07-22 | Electronic switch circuit and electronic tube sound card based on same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113423044A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768558A (en) * | 2011-05-05 | 2012-11-07 | 鸿富锦精密工业（深圳）有限公司 | All-in-One PC with Speaker Mute Control |
| CN203872338U (en) * | 2014-04-02 | 2014-10-08 | 深圳市冠旭电子有限公司 | Electronic switching circuit and portable audio play device |
| CN207184795U (en) * | 2017-10-09 | 2018-04-03 | Tcl通力电子（惠州）有限公司 | Mute circuit and audio frequency apparatus |
| US20200026104A1 (en) * | 2018-07-17 | 2020-01-23 | Qingdao Hisense Electronics Co., Ltd. | Display apparatus and headphone control circuit thereof |
| CN215300901U (en) * | 2021-07-22 | 2021-12-24 | 贵州加来众科智能科技有限公司 | Electronic switch circuit and electronic tube sound card based on same |
-
2021
- 2021-07-22 CN CN202110833165.7A patent/CN113423044A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768558A (en) * | 2011-05-05 | 2012-11-07 | 鸿富锦精密工业（深圳）有限公司 | All-in-One PC with Speaker Mute Control |
| CN203872338U (en) * | 2014-04-02 | 2014-10-08 | 深圳市冠旭电子有限公司 | Electronic switching circuit and portable audio play device |
| CN207184795U (en) * | 2017-10-09 | 2018-04-03 | Tcl通力电子（惠州）有限公司 | Mute circuit and audio frequency apparatus |
| US20200026104A1 (en) * | 2018-07-17 | 2020-01-23 | Qingdao Hisense Electronics Co., Ltd. | Display apparatus and headphone control circuit thereof |
| CN215300901U (en) * | 2021-07-22 | 2021-12-24 | 贵州加来众科智能科技有限公司 | Electronic switch circuit and electronic tube sound card based on same |
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