CN106535055B - Sound system with coded display and verification - Google Patents
Sound system with coded display and verification Download PDFInfo
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- CN106535055B CN106535055B CN201710031154.0A CN201710031154A CN106535055B CN 106535055 B CN106535055 B CN 106535055B CN 201710031154 A CN201710031154 A CN 201710031154A CN 106535055 B CN106535055 B CN 106535055B
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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
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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
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
Sound system the invention discloses a kind of display of band coding and authentication function includes microphone and sound console.Superaudio signal generating circuit, microphone coding generative circuit, microphone coding serial output circuit, microphone is equipped in microphone to encode display circuit, the first modulation circuit, hybrid circuit, mixed signal processing circuit harmony power conversion circuit, and compare detection circuit, the second demodulator circuit, wireless receiving circuit and microphone channel on state display circuit；Sound console is equipped with microphone input interface, signal distribution circuit, filter amplification circuit, the first demodulator circuit, microphone coding and reads display circuit and audio signal processing circuit；And read microphone coding parallel series output circuit, the second modulation circuit and radio transmitter.The conduction status for enabling the system to real-time, continual display microphone channel, makes the exclusion of failure much sooner, avoids the occurrence of and begin to use the case where just discovery cannot be connected.
Description
Technical field
The present invention relates to stereo set technical field more particularly to the sound equipment systems of a kind of band coding display and authentication function
System.
Background technique
Sound system device is that especially have in industries such as education, business, amusement, exhibitions using most media devices
Be widely applied.
Sound system mainly includes microphone, sound console, power amplifier and speaker etc., and the sound system used now often occurs one
A problem: starting speech using the people of microphone, and discovery microphone can not send out sound, influence the quality of items on the program, waste time,
Such case occur is the thing that tuner most worries, but this performance accident is difficult to avoid, and is exactly to do preparations more again in advance
Work, still has such case.
The noiseless common cause of microphone is: power switch closing or silence switch pass using the people of microphone microphone
It closes, situations such as contact of the connector of microphone line is bad, and microphone battery is out of power.Although tuner can carry out before start
Sufficient debugging efforts, but personnel are various, are pressed for time in an activity, and many people are not familiar with the application method of microphone
Etc. reasons, failure be difficult to avoid.
Tuner usually inputs a voice signal at microphone end, then listens speaker to have again when testing microphone
There is no sound output, but be impossible to test in this way after program starts, tuner can not detect microphone to sound console
Whether whole flow process is normal, so if microphone goes wrong, and can not find in time, just will appear microphone not after program starts
Out the case where sound, influence to amplify is normally carried out, and wastes the time, is affected effect, be will cause irretrievable loss sometimes.
Summary of the invention
In view of the above deficiencies, the technical problems to be solved by the present invention are: providing a kind of display of band coding and authentication function
Sound system, which can show the on off operating mode between microphone and sound console, and if signal transmission can be made normal
The number of cylinder is shown, be excluded system can quickly in the event of a failure, is reduced the labor intensity of staff,
And coding is transmitted back to microphone to verify by way of wireless transmission, not only the tuner on backstage is known that words in this way
The on off operating mode of cylinder channel, and using the people of microphone, it exact can also know that microphone whether on state, more mentions
The reliability that high whole system uses.
In order to solve the above technical problems, the technical scheme is that
A kind of sound system of band coding display and authentication function, including microphone and sound console, the output end of the microphone
It is connect with the microphone input interface on the sound console, acoustic-electric conversion circuit is equipped in the microphone,
Superaudio signal generating circuit, microphone coding generative circuit, microphone coding Serial output are additionally provided in the microphone
Circuit, microphone coding display circuit, the first modulation circuit, hybrid circuit and mixed signal processing circuit；The microphone coding life
At circuit evolving encoded signal, encoded signal is transferred to the microphone coding serial output circuit respectively and microphone coding is aobvious
Show circuit, the periodic encoded signal and the superaudio signal generating circuit that the microphone coding serial output circuit generates
The superaudio signal of generation inputs first modulation circuit together, and first modulation circuit uses encoded signal to as carrier frequency
Superaudio signal be modulated, the modulated signal of generation inputs the hybrid circuit, while the acoustic-electric conversion circuit is by sound
Frequency signal inputs the hybrid circuit, and the hybrid circuit inputs described mixed after mixing modulated signal and audio signal
Signal processing circuit is closed, the mixed signal processing circuit is transferred to the microphone input interface after handling mixed signal；
Signal distribution circuit, filter amplification circuit, the first demodulator circuit, microphone coding is additionally provided in the sound console to read
Display circuit and audio signal processing circuit；The mixed signal received is inputted the signal and distributed by the microphone input interface
Mixed signal is divided into two-way by circuit, the signal distribution circuit, inputs the audio signal processing circuit all the way, and another way is defeated
Enter the filter amplification circuit, for the filter amplification circuit by after mixed signal filter and amplification, remaining modulated signal inputs institute
State the first demodulator circuit, modulated signal is demodulated encoded signal by first demodulator circuit, and described in encoded signal inputted
Microphone coding reads display circuit, and the microphone coding reads display circuit and periodically reads encoded signal, if receiving volume
Code signal just shows that microphone encodes, and does not receive encoded signal and does not show that microphone encodes then；
The reading microphone coding parallel series output electricity being electrically connected with first demodulator circuit is additionally provided in the sound console
Road, and the second modulation circuit and the second modulation circuit electricity that are electrically connected with the reading microphone coding parallel series output circuit
The radio transmitter of connection；The reading microphone coding parallel series output circuit circuits sequentially each in the reading sound console
The encoded signal that the first demodulator circuit in a microphone channel demodulates, and each encoded signal is successively defeated in a serial fashion
Enter second modulation circuit, each encoded signal is modulated into radiofrequency signal and inputs the wireless hair by second modulation circuit
Transmit-receive radio road, the radio transmitter send radiofrequency signal；
Be additionally provided in the microphone with the microphone coding generative circuit electrical connection compared with detection circuit, and respectively with
The second demodulator circuit and microphone channel on state display circuit of the relatively detection circuit electrical connection, the second demodulation electricity
Road is also electrically connected with wireless receiving circuit；The wireless receiving circuit receives the radiofrequency signal of the radio transmitter transmitting,
And radiofrequency signal is inputted into second demodulator circuit, second demodulator circuit demodulates radiofrequency signal, and demodulation is obtained
The encoded signal input relatively detection circuit, the relatively detection circuit will encode from the second demodulator circuit and the microphone
Generative circuit transmission come encoded signal be compared, if encoded signal be consistent transmit Continuity signal to the microphone channel conducting
Status display circuit display conducting；Otherwise display is not turned on.
Preferred embodiment is to concatenate filter circuit between the signal distribution circuit and the audio signal processing circuit.
Preferred embodiment is that the superaudio signal generating circuit generated is the sine that frequency range is 21Khz~30Khz
Wave signal.
Preferred embodiment is the modulated signal level of the first modulation circuit output and the percentage of audio signal maximum level
Than less than 20%.
Preferred embodiment is that the coding that the microphone coding generative circuit generates is adjustable.
Preferred embodiment is that the microphone coding reads display circuit and periodically reads encoded signal, if receiving coding
Signal just shows that microphone encodes, and does not receive encoded signal and then shows error code.
After adopting the above technical scheme, the beneficial effects of the present invention are: due to band coding display of the invention and verifying function
The sound system of energy, including microphone and sound console, sound console are equipped with microphone input interface.Superaudio signal is equipped in microphone to occur
Circuit, microphone coding generative circuit, microphone coding serial output circuit, microphone encode display circuit, the first modulation circuit, acoustic-electric
Conversion circuit, hybrid circuit, mixed signal processing circuit, sound console are equipped with the signal distribution electricity connecting with microphone input interface
Road, filter amplification circuit, the first demodulator circuit, filter circuit, audio signal processing circuit and microphone coding read display circuit.
It enables the invention in the case where system equipment is opened, real-time, continual display microphone to the entire channel of sound console
On-off.If there is interruption among channel, conducting will be displayed without on sound console, illustrate it is faulty, it is on the contrary then display lead
It is logical, illustrate that microphone is in normal operating conditions to sound console, and the microphone of channel normally can also be made to number and shown
Come, thus it will also be appreciated that those coding microphone channel it is problematic, if microphone is not turned on, tuner can and
When discharge failure, or allow and replace microphone using the people of microphone, avoid the occurrence of to begin to use and just find to be connected
Situation, to improve the reliability that sound system uses.
The side that wireless transmission is passed through by the encoded signal that the first demodulator circuit demodulates on sound console of the invention simultaneously
Formula is returned to microphone, makes the case where microphone channel on-off can also be shown on microphone, not only the tuner on backstage can know in this way
The on off operating mode of road microphone channel, and using the people of microphone, it exact can also know that microphone is on state, such as
Fruit is problematic to prompt tuner to debug, and further improve the reliability that this system uses, reduce tuner's
Working strength accelerates the exclusion speed of failure.
Detailed description of the invention
Fig. 1 is the principle of the present invention block diagram；
Fig. 2 is the functional block diagram of A in Fig. 1；
Fig. 3 is the functional block diagram of C in Fig. 1；
Fig. 4 is the functional block diagram of B in Fig. 1.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the sound system of a kind of band coding display and authentication function, including microphone and
Sound console, the microphone input interface connection on the output end and sound console of microphone are equipped with acoustic-electric conversion circuit in microphone.
As shown in Fig. 2, being additionally provided with superaudio signal generating circuit, microphone coding generative circuit, words in microphone of the invention
Cylinder coding serial output circuit, microphone coding display circuit, the first modulation circuit, hybrid circuit and mixed signal processing circuit.
Microphone encode generative circuit generate encoded signal, encoded signal be transferred to respectively microphone coding serial output circuit and
Microphone encodes display circuit, and microphone encodes the periodic encoded signal that serial output circuit generates and electricity occurs for superaudio signal
The superaudio signal that road generates inputs the first modulation circuit together, and the first modulation circuit uses encoded signal to the Supersonic as carrier frequency
Frequency signal is modulated, and the modulated signal of generation inputs hybrid circuit, while audio signal is inputted and mixed by acoustic-electric conversion circuit
Circuit, hybrid circuit inputs mixed signal processing circuit after mixing modulated signal and audio signal, at mixed signal
Reason circuit is transferred to microphone input interface after handling mixed signal.
As shown in figure 4, being equipped with the signal distribution circuit being electrically connected with microphone input interface in sound console of the present invention, filtering is put
Big circuit, the first demodulator circuit, microphone coding read display circuit and audio signal processing circuit.
The mixed signal input signal distributor circuit that microphone input interface will receive, signal distribution circuit is by mixed signal
It is divided into two-way, all the way input audio signal processing circuit, another way input filter amplifying circuit, filter amplification circuit believes mixing
After number filter and amplification, remaining modulated signal inputs the first demodulator circuit, and modulated signal is demodulated coding by the first demodulator circuit
Signal, and encoded signal input microphone coding is read into display circuit, microphone coding reads display circuit and periodically reads volume
Code signal does not receive encoded signal and does not show that microphone encodes if receiving encoded signal just shows that microphone encodes.
As shown in Figure 1, being additionally provided with the reading microphone coding being electrically connected with the first demodulator circuit in sound console of the invention simultaneously
Serial output circuit, and modulated with the second modulation circuit and second that microphone coding parallel series output circuit is electrically connected is read
The radio transmitter of circuit electrical connection；Reading microphone coding parallel series output circuit circuits sequentially each in reading sound console
The encoded signal that the first demodulator circuit in microphone channel demodulates, and each encoded signal is sequentially input in a serial fashion
Second modulation circuit inputs radio transmitter at radiofrequency signal by the second modulating circuit modulates, and radio transmitter handle is penetrated
Frequency signal is sent；
As shown in figure 3, the detection circuit compared with microphone coding generative circuit electrical connection is additionally provided in microphone of the invention,
And detection circuit is electrically connected compared with respectively the second demodulator circuit and microphone channel on state display circuit, the second demodulation
Circuit is also electrically connected with wireless receiving circuit；Wireless receiving circuit receives the radiofrequency signal of radio transmitter transmitting, and will penetrate
Frequency signal inputs the second demodulator circuit, and the second demodulator circuit demodulates radiofrequency signal, and the encoded signal that demodulation is obtained inputs
Compare detection circuit, compare detection circuit by from the second demodulator circuit and microphone coding generative circuit transmission come encoded signal into
Row compare, if encoded signal be consistent transmit Continuity signal give microphone channel on state display circuit display conducting；Otherwise it shows
It is not turned on.
As shown in Figure 1, all second demodulator circuits are defeated with reading microphone coding parallel series in the sound console of the present embodiment
Circuit is electrically connected out.The sound console of this system is equipped with multiple microphones, and makes from the radiofrequency signal that sound console is wirelessly transferred reply cylinder
With a set of wireless transmission circuit.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the sound system with coding display and authentication function of the invention in use,
Microphone coding generative circuit first in microphone is generated to microphone to be encoded, this coding can be arbitrarily arranged on microphone, but same
The coding of two microphones used in one sound console cannot be identical, by encoded signal together with superaudio signal modulation after, then will
Modulated signal and the audio signal of microphone itself mix, and are transferred to the corresponding microphone input of sound console after treatment
Interface.The mixed signal is divided into two-way by signal distribution circuit, is used for script function all the way, another way is for judging microphone channel
Break-make situation.And the judgement of microphone channel break-make situation mainly utilizes, what the first modulation circuit being arranged in microphone generated
Modulated signal, if be transferred on sound console and to judge.Specifically mixed signal after filter and amplification, filtered by audio signal
Except remaining modulated signal, which is demodulated circuit and demodulates encoded signal, and wherein encoded signal input microphone coding is read
Display circuit is taken to show, tuner is in sound console at this time, so that it may the break-make situation for obtaining the encoding microphone is directly observed, if microphone
Normally then microphone coding reads display circuit display microphone coding to channel, if microphone channel is faulty, shows error code, because
All microphone codings are known, have removed microphone working properly, be known that the coding of the obstructed microphone of channel, recording engineer can
With timely accurately processing, to ensure that the normal use of sound system.
The side that wireless transmission is passed through by the encoded signal that the first demodulator circuit demodulates on sound console of the invention simultaneously
Formula is returned to microphone, makes the case where microphone channel on-off can also be shown on microphone, using the people of microphone it can also be seen that microphone
The on-off situation newly arrived further improves the reliability that this system uses, reduces the working strength of tuner, accelerates event
The exclusion speed of barrier.
Filter circuit is concatenated between the signal distribution circuit and audio signal processing circuit of the present embodiment, which will
It may be entrained in encoded signal in audio signal, superaudio target signal filter, exclusion may be to the influence of voice signal.
It is sine wave that frequency range is 21Khz~30Khz that the superaudio signal generating circuit of the present embodiment is generated
Signal.
The modulated signal level of first modulation circuit output and the percentage of audio signal maximum level are less than 20%, this hundred
Point than not only can guarantee that subsequent circuit can detect superaudio signal, but also superaudio signal can be reduced to the greatest extent to audio signal possibility
The interference of generation.
The coding that the microphone coding generative circuit of the present embodiment generates is adjustable；Microphone coding reads the display circuit period
Property reading encoded signal, if receive encoded signal just show microphone encode, do not receive encoded signal and show error code.
In conclusion the feelings that the sound system with coding display and authentication function of the invention can be opened in system equipment
Under condition, the on-off of real-time, continual display microphone to the entire channel of sound console.If there is interruption among channel, adjust
Conducting will be displayed without on sound platform, illustrate it is faulty, it is on the contrary then show conducting, illustrate that microphone is in sound console and work normally
State, and the microphone number that channel can also be made to be connected is shown, thus it will also be appreciated that the microphone channel of those codings
Problematic, if microphone is not turned on, failure can be timely discharged in tuner, or is allowed and replaced using the people of microphone
One microphone avoids the occurrence of and begins to use the case where just discovery cannot be connected, to improve the reliability that sound system uses.
The side that wireless transmission is passed through by the encoded signal that the first demodulator circuit demodulates on sound console of the invention simultaneously
Formula is returned to microphone, makes the case where microphone channel on-off can also be shown on microphone, not only the tuner on backstage can know in this way
The on off operating mode of road microphone channel, and using the people of microphone, it exact can also know that microphone is on state, such as
Fruit is problematic to prompt tuner to debug, and further improve the reliability that this system uses, reduce tuner's
Working strength accelerates the exclusion speed of failure.
It a possibility that present invention greatly improves sound system reliability, reduces sound equipment accident, improves work efficiency,
And the working strength of staff can be mitigated, huge sound system market is given, relatively good economic and social benefit is brought.
The preferred embodiment of present invention described above, is not intended to limit the invention, it is all in spirit of the invention and
Made any modification within principle, etc. the display of same band coding and improvement of sound system structure of authentication function etc.,
It should be included within protection scope of the present invention.
Claims (5)
1. the sound system with coding display and authentication function, including microphone and sound console, the output end of the microphone with it is described
Microphone input interface connection on sound console, the microphone is interior to be equipped with acoustic-electric conversion circuit, which is characterized in that
Be additionally provided in the microphone superaudio signal generating circuit, microphone coding generative circuit, microphone coding serial output circuit,
Microphone encodes display circuit, the first modulation circuit, hybrid circuit and mixed signal processing circuit；The microphone encodes generative circuit
Encoded signal is generated, encoded signal is transferred to the microphone coding serial output circuit and microphone coding display electricity respectively
Road, the periodic encoded signal and the superaudio signal generating circuit that the microphone coding serial output circuit generates generate
Superaudio signal input first modulation circuit together, first modulation circuit uses encoded signal to surpass to as carrier frequency
Audio signal is modulated, and the modulated signal of generation inputs the hybrid circuit, while the acoustic-electric conversion circuit believes audio
Number input hybrid circuit, the hybrid circuit inputs the mixing after mixing modulated signal and audio signal believes
Number processing circuit, the mixed signal processing circuit are transferred to the microphone input interface after handling mixed signal；
It is additionally provided with signal distribution circuit, filter amplification circuit, the first demodulator circuit, microphone coding in the sound console and reads display
Circuit and audio signal processing circuit；The mixed signal received is inputted the signal and distributes electricity by the microphone input interface
Mixed signal is divided into two-way by road, the signal distribution circuit, inputs the audio signal processing circuit, another way input all the way
The filter amplification circuit, the filter amplification circuit is by after mixed signal filter and amplification, described in remaining modulated signal input
First demodulator circuit, modulated signal is demodulated encoded signal by first demodulator circuit, and encoded signal is inputted the words
Cylinder coding reads display circuit, and the microphone coding reads display circuit and periodically reads encoded signal, if receiving coding
Signal just shows that microphone encodes, and does not receive encoded signal and does not show that microphone encodes then；
The reading microphone coding parallel series output circuit being electrically connected with first demodulator circuit is additionally provided in the sound console, with
And be electrically connected with the reading microphone coding parallel series output circuit the second modulation circuit, be electrically connected with the second modulation circuit
Radio transmitter；The microphone coding parallel series output circuit that reads circuits sequentially each microphone read in the sound console
The encoded signal that the first demodulator circuit in channel demodulates, and each encoded signal sequentially input in a serial fashion described
Each encoded signal is modulated into radiofrequency signal and inputs the wireless transmission electricity by the second modulation circuit, second modulation circuit
Road, the radio transmitter send radiofrequency signal；
Be additionally provided in the microphone with the microphone coding generative circuit electrical connection compared with detection circuit, and respectively with it is described
Compare the second demodulator circuit and microphone channel on state display circuit of detection circuit electrical connection, second demodulator circuit is also
It is electrically connected with wireless receiving circuit；The wireless receiving circuit receives the radiofrequency signal of the radio transmitter transmitting, and will
Radiofrequency signal inputs second demodulator circuit, and second demodulator circuit demodulates radiofrequency signal, and the volume that demodulation is obtained
The code signal input relatively detection circuit, the relatively detection circuit will be generated from the second demodulator circuit and microphone coding
The encoded signal that circuit transmission is come is compared, and Continuity signal is transmitted if encoded signal is consistent to the microphone channel, shape is connected
The display conducting of state display circuit；Otherwise transmission is not turned on signal and shows and do not lead to the microphone channel on state display circuit
It is logical.
2. the sound system of band coding display and authentication function according to claim 1, which is characterized in that the signal point
With concatenating filter circuit between circuit and the audio signal processing circuit.
3. the sound system of band coding display and authentication function according to claim 1 or 2, which is characterized in that described super
What circuit evolving occurred for audio signal is the sine wave signal that frequency range is 21Khz~30Khz.
4. the sound system of band coding display and authentication function according to claim 1, which is characterized in that the microphone is compiled
The coding that code generation circuit generates is adjustable.
5. the sound system of band coding display and authentication function according to claim 1, which is characterized in that the microphone is compiled
Code reading display circuit periodically reads encoded signal, if receiving encoded signal just shows that microphone encodes, does not receive volume
Code signal then shows error code.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710031154.0A CN106535055B (en) | 2017-01-17 | 2017-01-17 | Sound system with coded display and verification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710031154.0A CN106535055B (en) | 2017-01-17 | 2017-01-17 | Sound system with coded display and verification |
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| CN106535055A CN106535055A (en) | 2017-03-22 |
| CN106535055B true CN106535055B (en) | 2019-05-07 |
Family
ID=58335588
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| CN201710031154.0A Active CN106535055B (en) | 2017-01-17 | 2017-01-17 | Sound system with coded display and verification |
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| KR100636250B1 (en) * | 2005-10-07 | 2006-10-19 | 삼성전자주식회사 | Stereo effect amplification method and device |
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| CN1607742A (en) * | 2003-10-13 | 2005-04-20 | 上海渐华科技发展有限公司 | Voice and control signal transmission method in wireless microphone and transmitter therefor |
| CN101304292A (en) * | 2007-04-04 | 2008-11-12 | 索尼株式会社 | Wireless audio transmission system, wireless microphone and audio emitting device and receiving device |
| CN101262252A (en) * | 2008-03-26 | 2008-09-10 | 上海华平信息技术股份有限公司 | Tuning station for eliminating echo and method for eliminating echo based this station |
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| CN106535055A (en) | 2017-03-22 |
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Effective date of registration: 20250624 Address after: 516000 Guangdong Province, Huiyang District, Qiuchang Town, Xintang Village, Loujiao Patentee after: Huizhou Huiyang Yajiali Electronics Co.,Ltd. Country or region after: China Address before: Weifang City, Shandong province 261061 Dongfeng East Street, No. 5147 Patentee before: WEIFANG University Country or region before: China |