CN106533481A - Head-mounted wireless loudspeaking system - Google Patents
Head-mounted wireless loudspeaking system Download PDFInfo
- Publication number
- CN106533481A CN106533481A CN201610998487.6A CN201610998487A CN106533481A CN 106533481 A CN106533481 A CN 106533481A CN 201610998487 A CN201610998487 A CN 201610998487A CN 106533481 A CN106533481 A CN 106533481A
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- module
- signal
- processing module
- chip
- integrated process
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/385—Transceivers carried on the body, e.g. in helmets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R27/00—Public address systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/385—Transceivers carried on the body, e.g. in helmets
- H04B2001/3866—Transceivers carried on the body, e.g. in helmets carried on the head
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/385—Transceivers carried on the body, e.g. in helmets
- H04B2001/3872—Transceivers carried on the body, e.g. in helmets with extendable microphones or earphones
Abstract
The invention discloses a head-mounted wireless loudspeaking system, comprising a signal transmitter which can be worn on a head and is used for sending a wireless audio signal and a receiving loudspeaker which matches the signal transmitter. The wearing mode of the signal transmitter is a head-mounted mode. A signal is transmitted and received between the signal transmitter and the receiving loudspeaker in a wireless mode. The system is characterized in high anti-interference performance, a UHF band is employed, and the system has a plurality of selectable working bands, so the system is easy to match a plurality of sets of devices to work. The wearing mode of the signal transmitter is the head-mounted mode, the signal transmitter can be directly worn on the head, thereby thoroughly releasing double hands, and a user can process other work at the same time.
Description
Technical field
The present invention relates to Wireless amplification field, especially a kind of wear-type Wireless sound amplifying system.
Background technology
Existing portable or handss drag VHF160 that box Wireless sound amplifying system usually modulated using tradition FM～
270MHz frequency range wireless microphone systems, this public address system are also broadcast with MP3 in addition to general Wireless amplification function
The music playback function such as put, be highly prone to the interference of the digital circuits such as extraneous other signals and inside MP3, so as to cause not reach
Normal using distance and the problems such as easily there is noise, and optional operating frequency is few, and set system is closely using easily making more
Into interfering with each other and cisco unity malfunction；The emitter of this public address system is usually to hang emitter connection using waist to wear Mike
Wind or tie clip mike are used, and waist is hung emitter and the line between head microphone or tie clip mike and easily affects both hands
Other work are done, and both hands can not be then liberated using handheld microphone and be done other work.
The content of the invention
In order to overcome the deficiencies in the prior art, it is an object of the invention to provide a kind of wear-type Wireless sound amplifying system, has
The characteristics of strong anti-interference performance, and the broader uhf band of usage frequency more high scope, with more optional operating frequencies,
Easily match many complete equipments to work together, and as the wearing mode of signal projector is for wearing mode, signal can be sent out
Emitter is directly worn on the head, and so as to thorough liberation both hands, convenient use person can process other work simultaneously.
The present invention solves the technical scheme that adopted of its problem：
A kind of wear-type Wireless sound amplifying system, including can be on Dai Yutou the signal projector for sending wireless audio signal and
For the reception microphone used cooperatively with signal projector；
Signal projector is included for receiving the apparatus for receiving audio of audio signal, for carrying out at digital modulation to audio signal
The integrated process of reason send chip, the uhf band transmitting antenna for launching the wireless signal obtained after digital modulation and
For sending the first microcontroller that chip is controlled process to integrated process, integrated process sends chip includes input processing
Module, output processing module and the digital modulation module for audio signal and ID codes being carried out hybrid modulation, input processing mould
Block, digital modulation module and output processing module are sequentially connected to together, apparatus for receiving audio, integrated process send chip and
Uhf band transmitting antenna is sequentially connected to together, and integrated process is sent chip and is connected together with the first microcontroller；
Receiving microphone includes uhf band reception antenna, use for receiving the wireless signal sended over by signal projector
Chip is received in the integrated process for carrying out digital demodulation process to wireless signal, for the audio frequency to obtaining after digital demodulation
Signal carries out the post processing module of Audio Processing and for receiving the second micro-control that chip is controlled process to integrated process
Device processed, integrated process receives chip includes prime processing module and the number for wireless signal being demodulated into audio signal and ID codes
Word demodulation module, prime processing module and digital demodulation blocks are connected together, and uhf band reception antenna, integrated process are received
Chip and post processing module are sequentially connected to together, and integrated process is received chip and is connected together with the second microcontroller.
Further, signal projector also includes showing mould for the transmitter for showing signal projector current operating state
Block, transmitter display module are connected together with the first microcontroller.
Further, apparatus for receiving audio is high sensitivity electric capacity pickup transmitter.
Further, integrated process sends chip also includes the first filtering for being filtered process to input audio signal
Module and the second filtration module of process is filtered for the wireless signal to obtaining after digital modulation, the first filtering mould
Block is connected together with input processing module and digital modulation module respectively, the second filtration module respectively with digital modulation module and
Output processing module is connected together.
Further, integrated process receives chip and also includes for being filtered place to the wireless signal after low noise is amplified
The 3rd filtration module managed and the 4th filtering mould for being filtered process for the audio signal to obtaining after digital demodulation
Block, the 3rd filtration module are connected together with prime processing module and digital demodulation blocks respectively, the 4th filtration module respectively with
Digital demodulation blocks and post processing module are connected together.
The invention has the beneficial effects as follows：A kind of wear-type Wireless sound amplifying system, is arranged at integrated process and sends in chip
Digital modulation module by audio signal is mixed with ID codes, then respectively through digital modulation process and analog frequency mixing at
Reason so that the mixed signal that audio signal is constituted with ID codes becomes wireless signal and is transmitted, and is arranged at integrated process and connects
The digital demodulation blocks received in chip then can be demodulated into audio signal and ID codes wireless signal, when demodulation ID codes out and
When receiving the ID codes matching set by microphone, receive microphone and signal projector can be coordinated to be operated so that be each
Individual operating frequency is all to there is an ID code, though other signals that microphone receives same frequency are received, but due to ID codes not
Matching, thus Wireless sound amplifying system can not normal work so that wear-type Wireless sound amplifying system have it is superior anti-dry
Immunity energy, and be operated as a result of uhf band, and the operating frequency that uhf band can be used is than VHF frequency range more
It is many, it is operated therefore, it is possible to easily match many set systems, without occurring the feelings for interfering occur between many set systems
Condition, and it is not easily susceptible to the interference of the digital circuits such as extraneous other signals and inside MP3 such that it is able to avoiding not reaching normally makes
With distance and easily there is the situation of noise；As the wearing mode of signal projector is to wear mode, and signal projector
The transmission and reception of signal is carried out wirelessly with receiving to adopt between microphone, as long as therefore signal projector is directly worn
On head, it becomes possible to thorough liberation both hands, and not having line affects both hands to do other work such that it is able to convenient use person
While while using wear-type Wireless sound amplifying system, processing other work, being independent of each other.
Description of the drawings
The invention will be further described with example below in conjunction with the accompanying drawings.
Fig. 1 is the theory diagram of signal projector；
Fig. 2 is the theory diagram for receiving microphone；
Fig. 3 is the circuit theory diagrams of signal projector；
Fig. 4 is the circuit theory diagrams for receiving microphone.
Specific embodiment
Reference picture 1- Fig. 4, a kind of wear-type Wireless sound amplifying system, including can be on Dai Yutou for sending ANTENNAUDIO letter
Number signal projector 1 and the reception microphone 2 for using cooperatively with signal projector 1, due to wearing for signal projector 1
Mode for wearing mode, and signal projector 1 and receive between microphone 2 using wirelessly carry out the transmission of signal with
Receive, as long as therefore signal projector 1 is directly worn on the head, it becomes possible to thorough liberation both hands such that it is able to convenient use person
Process other work simultaneously.
With reference to Fig. 1 and Fig. 3, signal projector 1 is included for receiving the apparatus for receiving audio 10 of audio signal, for sound
Frequency signal carries out the integrated process of digital modulation process and sends chip 11, the wireless communication obtained after digital modulation for transmitting
Number uhf band transmitting antenna 17 and be controlled the first microcontroller 18 of process for sending chip 11 to integrated process,
Integrated process sends chip 11 includes input processing module 12, output processing module 16 and for audio signal and ID codes are carried out
The digital modulation module 14 of hybrid modulation, input processing module 12, digital modulation module 14 and output processing module 16 connect successively
It is connected together, apparatus for receiving audio 10, integrated process send chip 11 and uhf band transmitting antenna 17 is sequentially connected to together,
Integrated process is sent chip 11 and is connected together with the first microcontroller 18, and wherein, signal projector 1 is also included for showing letter
The transmitter display module 19 of number 1 current operating state of emitter, transmitter display module 19 are connected with the first microcontroller 18
In together, wherein, apparatus for receiving audio 10 is high sensitivity electric capacity pickup transmitter, and wherein, integrated process sends chip 11 and also wraps
Include the first filtration module 13 for being filtered process to input audio signal and for obtaining after digital modulation
Wireless signal is filtered the second filtration module 15 of process, the first filtration module 13 respectively with input processing module 12 and numeral
Modulation module 14 is connected together, and the second filtration module 15 is connected to digital modulation module 14 and output processing module 16 respectively
Together.During using signal projector 1, user is worn on the head signal projector 1, and high sensitivity electric capacity pickup transmitter pair
Quasi- face, when user is spoken, high sensitivity electric capacity pickup transmitter accurately catches the audio signal of user, and audio frequency is believed
Number it is transferred in input processing module 12, in input processing module 12, includes analog-digital converter and signal-conditioning unit, therefore sound
Frequency signal carries out analog-to-digital conversion process in input processing module 12 successively and signal gain adjustment is processed, and is then passed through gain tune
Whole digital audio and video signals are sent to the first filtration module 13 and carry out signal filtering, after removing noise, digital audio and video signals
It is transferred in digital modulation module 14, now, the first microcontroller 18 is sent to ID codes in digital modulation module 14 so that
Digital audio and video signals and ID codes carry out numeral and are mixed into mixed signal, and then mixed signal is carried out in digital modulation module 14
Digital modulation process obtains digital modulation signals, and then digital modulation signals are filtered in being transferred to the second filtration module 15
Ripple, digital modulation signals after filtering are transferred in output processing module 16, and output processing module 16 includes digital-to-analogue and turns
Parallel operation, analog frequency mixing manipulator and radio-frequency power amplifier, digital modulation signals enter line number in output processing module 16 successively
Mould conversion process, analog frequency mixing modulation treatment and signal processing and amplifying, are met the uhf band signal of transmission power requirement,
Finally launched by uhf band transmitting antenna 17.And transmitter display module 19 can be in the control of the first microcontroller 18
The lower working condition for showing that signal projector 1 is current, so that user can have a clear understanding of the use shape of signal projector 1
State.
With reference to Fig. 2 and Fig. 4, receiving microphone 2 is included for receiving the uhf band reception antenna 20 of wireless signal, being used for
The integrated process for carrying out digital demodulation process to wireless signal receives chip 21, for the audio frequency to obtaining after digital demodulation
Signal carries out the post processing module 26 of Audio Processing and is controlled the second of process for receiving chip 21 to integrated process
Microcontroller 27, integrated process receives chip 21 includes prime processing module 22 and for wireless signal is demodulated into audio signal
With the digital demodulation blocks 24 of ID codes, prime processing module 22 and digital demodulation blocks 24 are connected together, and uhf band receives day
Line 20, integrated process receive chip 21 and post processing module 26 and are sequentially connected to together, and integrated process receives chip 21 and the
Two microcontrollers 27 are connected together, and wherein, integrated process receives chip 21 also to be included for the nothing after low noise is amplified
Line signal is filtered the 3rd filtration module 23 of process and filters for the audio signal to obtaining after digital demodulation
4th filtration module 25 of ripple process, the 3rd filtration module 23 are connected with prime processing module 22 and digital demodulation blocks 24 respectively
In together, the 4th filtration module 25 is connected together with digital demodulation blocks 24 and post processing module 26 respectively.Using reception
During microphone 2, it is arranged at 20 high-frequency wireless signals for receiving of uhf band reception antenna received in microphone 2 and is transferred to
In prime processing module 22, prime processing module 22 includes high frequency amplifier, analog frequency mixing demodulator and analog-digital converter, because
This high-frequency wireless signals carries out processing and amplifying, analog frequency mixing demodulation process and the mould of low noise in prime processing module 22 successively
Number conversion process, so as to obtain the digital mixing signal containing ID codes, then digital mixing signal is sent to the 3rd filtering mould
Signal filtering is carried out in block 23 so that the clean no any noise of digital mixing signal, then digital mixing signal is transferred to
In digital demodulation blocks 24, under the control of the second microcontroller 27, mixed signal it is demodulated go out digital audio and video signals and ID codes,
Now, the ID codes that the ID codes for receiving are stored in reception microphone 2 with script under the control of the second microcontroller 27 are carried out
Matching contrast：When two ID codes are mutually matched, receive microphone 2 and work on, demodulated digital audio and video signals out are first
Process is filtered in being first transferred to the 4th filtration module 25, is then transferred in post processing module 26, rear class process
Module 26 include equalizer, anti-utter long and high-pitched sounds module and digital to analog converter, therefore digital audio and video signals carry out successively power equalization process,
Anti- utter long and high-pitched sounds process and digital-to-analogue conversion process, obtain the simulated audio signal that can be used in playing, finally according to actually used mode
Playing voice or reception microphone 2 is connected computer by the loudspeaker being arranged in reception microphone 2 carries out broadcasting for voice
Put；When two ID codes are mismatched, receive microphone 2 and think that currently received wireless signal is not matched nothing
Line signal, therefore do not carry out follow-up work.By way of matching ID codes, even if receiving microphone 2 receives same frequency
Other signals, but as ID codes are mismatched, wear-type Wireless sound amplifying system will not also be operated such that it is able to many set systems of matching
System is operated, and without occurring to occur situation about interfering between many set systems, and is not easily susceptible to extraneous other signals
With the interference of the digital circuit such as internal MP3 such that it is able to avoid not reaching the normal situation for noise using distance and easily occur,
So as to ensure that the superior interference free performance of wear-type Wireless sound amplifying system.
Additionally, the post processing module 26 received in microphone 2 also includes the interface for being extended connection, Neng Gouyong
In connection display module so as to show to receiving the current working condition of microphone 2, so as to allow the user can be at any time
Solution receives the working condition of microphone 2.1 employing of signal projector can be entered by the poly-lithium battery that USB interface is charged
Row power supply, due to the small volume of the volume ratio aneroid battery of poly-lithium battery, therefore, it is possible to cause signal projector 1 than using dry
The conventional transmitters that battery is powered have less volume, so as to lower cost and more preferable environment protecting.
It is more than that the preferable enforcement to the present invention is illustrated, but the invention is not limited in above-mentioned embodiment party
Formula, those of ordinary skill in the art on the premise of without prejudice to spirit of the invention can also be made a variety of equivalent variations or be replaced
Change, the deformation or replacement of these equivalents are all contained in the application claim limited range.
Claims (5)
1. a kind of wear-type Wireless sound amplifying system, it is characterised in that：Including can be on Dai Yutou for sending wireless audio signal
Signal projector（1）With for the signal projector（1）The reception microphone for using cooperatively（2）；
The signal projector（1）Including for receiving the apparatus for receiving audio of audio signal（10）, for entering to audio signal
The integrated process of line number word modulation treatment sends chip（11）, for launching the wireless signal obtained after digital modulation
Uhf band transmitting antenna（17）With for sending chip to the integrated process（11）It is controlled the first microcontroller of process
（18）, the integrated process transmission chip（11）Including input processing module（12）, output processing module（16）With for sound
Frequency signal carries out the digital modulation module of hybrid modulation with ID codes（14）, the input processing module（12）, digital modulation module
（14）And output processing module（16）It is sequentially connected to together, the apparatus for receiving audio（10）, integrated process send chip
（11）With uhf band transmitting antenna（17）It is sequentially connected to together, the integrated process sends chip（11）It is micro- with described first
Controller（18）It is connected together；
The reception microphone（2）Including for receive by the signal projector（1）The UHF frequencies of the wireless signal for sending over
Section reception antenna（20）, the integrated process for carrying out digital demodulation process to wireless signal receive chip（21）, for Jing
The audio signal obtained after crossing digital demodulation carries out the post processing module of Audio Processing（26）With for the integrated process
Receive chip（21）It is controlled the second microcontroller of process（27）, the integrated process reception chip（21）At prime
Reason module（22）With for wireless signal being demodulated into the digital demodulation blocks of audio signal and ID codes（24）, the prime process
Module（22）And digital demodulation blocks（24）It is connected together, the uhf band reception antenna（20）, integrated process receive chip
（21）And post processing module（26）It is sequentially connected to together, the integrated process receives chip（21）With second microcontroller
Device（27）It is connected together.
2. a kind of wear-type Wireless sound amplifying system according to claim 1, it is characterised in that：The signal projector（1）
Also include for showing the signal projector（1）The transmitter display module of current operating state（19）, the transmitter show
Show module（19）With first microcontroller（18）It is connected together.
3. a kind of wear-type Wireless sound amplifying system according to claim 1, it is characterised in that：The apparatus for receiving audio
（10）For high sensitivity electric capacity pickup transmitter.
4. a kind of wear-type Wireless sound amplifying system according to claim 1, it is characterised in that：The integrated process sends core
Piece（11）Also include the first filtration module for being filtered process to input audio signal（13）With for pass through numeral
The wireless signal obtained after modulation is filtered the second filtration module of process（15）, first filtration module（13）Respectively with
Described input processing module（12）And digital modulation module（14）It is connected together, second filtration module（15）Respectively with
Described digital modulation module（14）And output processing module（16）It is connected together.
5. a kind of wear-type Wireless sound amplifying system according to claim 1, it is characterised in that：The integrated process receives core
Piece（21）Also include the 3rd filtration module for being filtered process to the wireless signal after low noise is amplified（23）With with
The 4th filtration module of process is filtered in the audio signal to obtaining after digital demodulation（25）, the 3rd filtering mould
Block（23）Respectively with described prime processing module（22）And digital demodulation blocks（24）It is connected together, the 4th filtering mould
Block（25）Respectively with described digital demodulation blocks（24）And post processing module（26）It is connected together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610998487.6A CN106533481A (en) | 2016-11-11 | 2016-11-11 | Head-mounted wireless loudspeaking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610998487.6A CN106533481A (en) | 2016-11-11 | 2016-11-11 | Head-mounted wireless loudspeaking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106533481A true CN106533481A (en) | 2017-03-22 |
Family
ID=58351482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610998487.6A Pending CN106533481A (en) | 2016-11-11 | 2016-11-11 | Head-mounted wireless loudspeaking system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106533481A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106888334A (en) * | 2017-04-14 | 2017-06-23 | 江门市魔音高科科技有限公司 | A kind of full duplex is various to frequency domain audio synchronous radio mobile phone communication system |
| CN106911339A (en) * | 2017-04-14 | 2017-06-30 | 江门市魔音高科科技有限公司 | A kind of cell-phone camera audio sync adds live public address system |
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Application publication date: 20170322 |