CN104883633A - Intelligent microphone and voice identification method - Google Patents
Intelligent microphone and voice identification method Download PDFInfo
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- CN104883633A CN104883633A CN201510312437.3A CN201510312437A CN104883633A CN 104883633 A CN104883633 A CN 104883633A CN 201510312437 A CN201510312437 A CN 201510312437A CN 104883633 A CN104883633 A CN 104883633A
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Abstract
The invention relates to an intelligent microphone having a control circuit. With the intelligent microphone, when a speaker fails to make a statement, prompting words can be found on a display screen accurately without any error, thereby realizing seamless jointing without any trace, improving the speaking smoothness, and enhancing the speaking quality. The control circuit comprises a single-chip microcomputer having a DSP module, a voice identification module, and a single-chip microcomputer extending FLASH memory; and the voice identification module is connected with an MIC audio input module. The single-chip microcomputer controls the display screen by a drive circuit; and a photoresistor carried out communication with the DSP module based on A/D conversion. The display screen is installed at a handle of the microphone; and a power supply module provides power for the control circuit. When the microphone is in use, the voice identification module controls the displaying speed of words displayed at the display screen automatically according to the voice speed of the speaker; and meanwhile, the DSP module detects the voltage outputted by the photoresistor continuously to measure the induction luminosity indirectly, and a PWM duty ratio is adjusted to control automatic adjustment of the display screen luminosity.
Description
Technical field
The present invention relates to a kind of microphone, particularly a kind of Intelligent microphone, possess control circuit, input/output module, speech content can be shown.
Background technology
The application of microphone is very extensive; but the prompt facility for microphone is generally entire chapter display or artificial manipulation page turning display, all brings unnecessary trouble to spokesman, and often can because interim getting stuck suddenly; a full section can not find the starting point, and namely prompt facility loses meaning.Power supply part, microphone often has noise to occur when carrying out interface connection, and fragile, and the using energy source problem in addition in external environment, the shatter-resistant function of microphone all can be out in the cold.
Summary of the invention
The invention provides a kind of Intelligent microphone, spokesman can being allowed when getting stuck, finding prompt text by display screen like clockwork, realize ground slitless connection of making no sign, improve speech fluency, promote speech quality.
Concrete technical scheme is as follows:
A kind of Intelligent microphone, there is control circuit, it is characterized in that: control circuit comprises single-chip microcomputer, single-chip microcomputer has DSP module, sound identification module, single-chip microcomputer extension FLASH memory, sound identification module connects MIC Audio Input Modules, and single-chip microcomputer controls display screen by drive circuit, and photo resistance is communicated with DSP module by A/D conversion; Display screen is arranged on microphone handle, and power module is that control circuit is powered.
Further, display screen is double-display screen.
Further, microphone is rack-mount, and support installing is on base, and base is provided with solar cell, and solar cell is that microphone is powered by support.
Further, microphone is rack-mount by magnetic charging inlet.
Further, the handle of microphone is provided with mains switch, control circuit switch, and microphone has USB input interface.
Further, double-display screen one side is interior screen towards spokesman, another side is outer screen towards participant, and interior screen display shows the speech content that input module inputs, spokesman's word speed that interior screen detects according to sound identification module thus regulate the renewal speed of display information; DSP module is by detecting photo resistance adjusting screen display brightness and color.
Further, base is plate, base upper surface laminating solar film battery; Support is liftable support; Display screen passes through a foldable support installing on handle; Microphone enclosure is the shell that makrolon material is made.
The audio recognition method of above-mentioned Intelligent microphone, it is characterized in that: first, after beginning, system initialization, control circuit detects whether voice typing, if voice are typing, then control circuit realizes the collection of voice signal by MIC Audio Input Modules, and form voice signal being converted to word is stored in FLASH memory; During use, sound identification module controls according to the word speed of spokesman the speed being presented at word on display screen automatically, simultaneously DSP module constantly detects the voltage that photo resistance exports and carrys out indirect inspection induction luminosity, the automatic adjustment of adjustment PWM Duty ratio control display screen luminosity.
The present invention by installing control circuit to realize the function of prompting spokesman on microphone, be specially, display screen one side is towards spokesman, one side is towards participant, speech content input panel, the word speed of sound identification module identification spokesman, display screen upgrades in time speech content, keep display screen to remind consistent with spokesman's content, control circuit controls whole electric function part.
In addition, utilize photoelectricity transformation principle, by utilizing the higher conversion efficiency of the solar film battery of organic semiconducting materials, namely just can realize effective charging with indoor light, fully demonstrating the theory of green energy resource.Adopt magnetic charging inlet to be connected between handle with support, can facilitate, realize charging safely and fast.Microphone enclosure material adopts makrolon material, and Merlon is a kind of water white transparency, heat-resisting and shock proof thermoplastic resin, tool high strength and coefficient of elasticity, high impact, effectively prevents microphone because falling, damage that the mechanical reason such as collision causes.The outer screen of double-display screen is for showing the information such as spokesman's name.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of embodiment;
Fig. 2 is the circuit diagram of embodiment;
Fig. 3 is the structural representation of the microphone of embodiment;
Fig. 4 is the end view of Fig. 3;
Fig. 5 is the supporting structure schematic diagram of embodiment.
Fig. 6 is the speech recognition flow chart of embodiment.
In figure: 1-microphone, 2-sound identification module, 3-magnetic charging inlet, 4-double-display screen, 5-control circuit switch, 6-mains switch, 7-USB input interface, the magnetic charging inlet that 8-mates with microphone, 9-support, 10-base, 11-solar film battery.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Intelligent microphone as shown in Figure 1, comprise microphone 1, support 9, base 10, connect successively, microphone 1 is connected with support 9 by magnetic charging inlet 3, the scalable adjustment of support 9, be arranged on base 10, base 10 is plate, its upper surface installs the solar film battery 11 of equal size, utilize photoelectric conversion then for microphone 1 provides power supply, microphone 1 is provided with double-display screen 4, and double-display screen 4 is arranged on microphone 1 by a turnover frame, its opposite is magnetic charging inlet 3, conveniently docks with support 9.
As shown in Figure 2, system is with SPCE061A single-chip microcomputer for control core, and this function of the MCU is comparatively complete, include DSP module, A/D, D/A change, expansion single-chip microcomputer miniperipheral circuit, the built-in microphone input function with automatic growth control, for speech processes brings great convenience.When having a dress rehearsal, system realizes the collection of voice signal by MIC Audio Input Modules, and form voice signal being converted to word is stored in FLASH memory, when really making a speech, system controls the speed of word on display screen automatically according to the word speed of spokesman, makes spokesman can keep normal word speed all the time.
When automatically controlling, the voltage constantly being detected photo resistance output by DSP module carrys out indirect inspection induction luminosity, and the electric current of adjustment PWM duty ratio to LED controls, thus achieves the automatic adjustment to luminosity.
Microphone as shown in Figure 3,4, comprise double-display screen 4, sound identification module 2, control circuit switch 5, mains switch 6, USB input interface 7, magnetic charging inlet 3, wherein, the handle of microphone 1 is provided with mains switch 6, control circuit switch 5, double-display screen 4 one side is interior screen towards spokesman, another side is outer screen towards participant, and interior screen display shows the speech content of input, spokesman's word speed that interior screen detects according to sound identification module 2 thus regulate the renewal speed of display information; Double-display screen 4 is the automatic adjusting screen display brightness of power of light and color environmentally; Microphone 1 shell is the shell 1 that makrolon material is made.Support 9 shown in Fig. 5 comprises the magnetic charging inlet 8 mated with microphone.
Speech recognition flow process as shown in Figure 6, after beginning, system initialization, control circuit detects whether voice typing, if voice are typing, then control circuit realizes the collection of voice signal by MIC Audio Input Modules, and voice signal is converted to the form of word, and result is saved in FLASH memory; During use, sound identification module controls according to the word speed of spokesman the speed being presented at word on display screen automatically, after starting speech recognition, first call front two row text importing, whether real-time detection the first row has been read, and whether next line has text importing, and the second row is moved up a row, new tune a line realizes the second row, until display terminates; Simultaneously DSP module constantly detects the voltage that photo resistance exports and carrys out indirect inspection induction luminosity, the automatic adjustment of adjustment PWM Duty ratio control display screen luminosity.
Claims (8)
1. an Intelligent microphone, there is control circuit, it is characterized in that: control circuit comprises single-chip microcomputer, single-chip microcomputer has DSP module, sound identification module, single-chip microcomputer extension FLASH memory, sound identification module connects MIC Audio Input Modules, and single-chip microcomputer controls display screen by drive circuit, and photo resistance is communicated with DSP module by A/D conversion; Display screen is arranged on microphone handle, and power module is that control circuit is powered.
2. Intelligent microphone according to claim 1, is characterized in that: display screen is double-display screen.
3. Intelligent microphone according to claim 1, is characterized in that: microphone is rack-mount, support installing is on base, and base is provided with solar cell, and solar cell is that microphone is powered by support.
4. Intelligent microphone according to claim 1, is characterized in that: microphone is rack-mount by magnetic charging inlet.
5. Intelligent microphone according to claim 1, is characterized in that: the handle of microphone is provided with mains switch, control circuit switch, and microphone has USB input interface.
6. Intelligent microphone according to claim 3, it is characterized in that: double-display screen one side is interior screen towards spokesman, another side is outer screen towards participant, interior screen display shows the speech content that input module inputs, spokesman's word speed that interior screen detects according to sound identification module thus regulate the renewal speed of display information; DSP module is by detecting photo resistance adjusting screen display brightness and color.
7. Intelligent microphone according to claim 1, is characterized in that: base is plate, base upper surface laminating solar film battery; Support is liftable support; Display screen passes through a foldable support installing on handle; Microphone enclosure is the shell that makrolon material is made.
8. the audio recognition method of an Intelligent microphone, it is characterized in that: first, after beginning, system initialization, control circuit detects whether voice typing, if voice are typing, then control circuit realizes the collection of voice signal by MIC Audio Input Modules, and form voice signal being converted to word is stored in FLASH memory; During use, sound identification module controls according to the word speed of spokesman the speed being presented at word on display screen automatically, simultaneously DSP module constantly detects the voltage that photo resistance exports and carrys out indirect inspection induction luminosity, the automatic adjustment of adjustment PWM Duty ratio control display screen luminosity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312437.3A CN104883633A (en) | 2015-06-09 | 2015-06-09 | Intelligent microphone and voice identification method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312437.3A CN104883633A (en) | 2015-06-09 | 2015-06-09 | Intelligent microphone and voice identification method |
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| CN104883633A true CN104883633A (en) | 2015-09-02 |
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| CN201510312437.3A Pending CN104883633A (en) | 2015-06-09 | 2015-06-09 | Intelligent microphone and voice identification method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105704350A (en) * | 2016-03-18 | 2016-06-22 | 中州大学 | Teleprompter specially used by broadcasting and anchor major |
| CN105916069A (en) * | 2016-04-19 | 2016-08-31 | 安徽理工大学 | Intelligent microphone capable of converting voice into text in real time |
| CN106792303A (en) * | 2017-04-05 | 2017-05-31 | 重庆工业职业技术学院 | A kind of microphone stand with charge function and supporting wireless microphone |
| CN109214759A (en) * | 2017-06-30 | 2019-01-15 | 北京国双科技有限公司 | Based reminding method and device in court trial process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105704350A (en) * | 2016-03-18 | 2016-06-22 | 中州大学 | Teleprompter specially used by broadcasting and anchor major |
| CN105916069A (en) * | 2016-04-19 | 2016-08-31 | 安徽理工大学 | Intelligent microphone capable of converting voice into text in real time |
| CN106792303A (en) * | 2017-04-05 | 2017-05-31 | 重庆工业职业技术学院 | A kind of microphone stand with charge function and supporting wireless microphone |
| CN109214759A (en) * | 2017-06-30 | 2019-01-15 | 北京国双科技有限公司 | Based reminding method and device in court trial process |
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Application publication date: 20150902 |
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