CN205142478U - Multi -functional power amplifier system - Google Patents
Multi -functional power amplifier system Download PDFInfo
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- CN205142478U CN205142478U CN201520996096.1U CN201520996096U CN205142478U CN 205142478 U CN205142478 U CN 205142478U CN 201520996096 U CN201520996096 U CN 201520996096U CN 205142478 U CN205142478 U CN 205142478U
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Abstract
The utility model discloses a multi -functional power amplifier system, include: receive sound source equipment import's sound source audio signal's audio input module, right the audio input module is received sound source audio signal carries out power amplification's power amplifier module, general power amplifier module enlargies the back sound source audio signal exports playback devices's audio output module to, still includes: it is right the audio input module is received sound source audio signal carries on exporting to after the audio is handled power amplifier module's audio processing module, make the utility model discloses a multi -functional power amplifier system still has can carry out the advantage that the audio was handled to the sound source audio signal of input, and convenience of customers's operation has reduced user's use cost.
Description
Technical field
The utility model relates to Audio Signal Processing technical field, particularly relates to a kind of multi-functional power amplification system.
Background technology
In stereo set, power amplifier carries out audio frequency broadcasting for the audio signal of amplifying input to promote combination audio.In the prior art, audio effect processing function is as the primary sound that disappears, senior middle school's bass selection, reverberation adjustment etc., be integrated in sound card, video disc player or karaoke machine inside, user need to carry out audio effect processing to audio signal time, often need independent procuring equipment, add input, and equipment room line is complicated, equipment collaboration work debug difficulties, and substantially all comprise easily worn parts such as reading disc apparatus due to video disc player and karaoke machine, be therefore easy to cause whole video disc player or karaoke machine to work.Meanwhile, also make the audio effect processing in this cover stereo set to carry out, even a whole set of stereo set cannot work again.Also affect the experience of user simultaneously.
Therefore, design a kind of power amplifier with audio effect processing function to be necessary.
Utility model content
In order to solve the above-mentioned technical problem existed in prior art, the purpose of this utility model is to provide a kind of power amplification system that can realize carrying out the audio signal of input audio effect processing.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of multi-functional power amplification system, comprising:
Audio Input Modules, receives the source of sound audio signal of audiogenic device input;
Power amplifier module, carries out power amplification to the described source of sound audio signal that described Audio Input Modules receives;
Dio Output Modules; Described source of sound audio signal after being amplified by described power amplifier module exports playback equipment to;
Above-mentioned power amplifier also comprises:
Audio effect processing module, exports described power amplifier module to after the described source of sound audio signal received described Audio Input Modules carries out audio effect processing.
Use the stereo set of this power amplification system, audio effect processing can be carried out by power amplifier to audio signal, avoid and go wrong once disc player or karaoke machine, cannot carry out audio effect processing or whole system paralysis cannot work.
Further, also comprise:
Chauvent's criterion module, is connected with described audio effect processing module, described power amplifier module respectively, and that suppresses described source of sound audio signal to produce utters long and high-pitched sounds, and exports described power amplifier module to;
Described chauvent's criterion module installation has D/A conversion unit, and the described source of sound audio signal after chauvent's criterion is converted to analog signal output by digital signal.
Described chauvent's criterion module avoids in power amplification system and produces self-excitation, and protection stereo set is not uttered long and high-pitched sounds damage.
Further, also comprise:
Microphone input module, receives the microphone audio signal of microphone input;
Audio effect processing module comprises microphone audio module, microphone audio module respectively with described microphone input module, described chauvent's criterion model calling, export described chauvent's criterion module to after the microphone audio signal received described microphone input module carries out audio effect processing.
Arrange microphone audio module to process the convenient audio of microphone is separated with the audio of source of sound, specific aim process is carried out to different audio signals, improves the Disposal quality of audio signal.
Further again, described Audio Input Modules comprises:
AD conversion unit, is converted to digital signal by the described source of sound audio signal of input by analog signal;
Described audio effect processing module comprises:
Disappear primary sound unit, by the voice filtering in described source of sound audio signal; And/or
Senior middle school's bass unit, carries out frequency division to described source of sound audio signal, and controls respectively the corresponding described source of sound audio signal of high, medium and low frequency range.
Further, described microphone input module comprises:
AD conversion unit, is converted to digital signal by the described microphone audio signal that microphone inputs by analog signal;
And described microphone audio module comprises at least one in balanced noise reduction pressure limit unit, electric change of tune sound unit, reverberation unit;
Balanced noise reduction pressure limit unit, carries out noise reduction, pressure limit, equilibrium treatment respectively to described microphone audio signal;
Electricity change of tune sound unit, regulates the frequency of described microphone audio signal, changes its tone;
Reverberation unit, regulates the time delay of the voice in described microphone audio signal and echo, changes its tone color.
Another step, described Audio Input Modules comprises at least one in wired input unit and wireless input unit;
Wired input unit, is provided with at least one interface in 3.5mm audio interface, 6.35mm audio interface, RCA interface, Cannon, optical fiber interface, coaxial interface;
Wireless input unit, is provided with at least one communication interface in bluetooth, WiFi, FM frequency modulation, near field communication interface.
Improve as one, described dio Output Modules comprises at least one in combination audio interface unit, earphone interface unit, RCA interface unit;
Combination audio interface unit, is provided with the main sound box interface corresponding with combination audio and subwoofer interface.
Moreover described microphone input module comprises at least one in wired input unit and wireless input unit;
Cable microphone access unit, is provided with at least one interface in CANNON mouth, 3.5mm audio interface, 6.35mm audio interface, USB interface, optical fiber interface, coaxial interface;
Wireless microphone access unit, is provided with at least one communication interface in bluetooth, WiFi, FM frequency modulation, near field communication interface.
Further, also comprise:
Control module, is electrically connected with described chauvent's criterion module, controls startup and the stopping of its chauvent's criterion function;
Described control module, is electrically connected with described audio effect processing module, controls startup and the stopping of its former sound function that disappears, controls the switching of its high, normal, basic sound function;
Described control module, is electrically connected with described microphone audio module, controls its equalization function, decrease of noise functions, pressure limit function, electric change of tune sound function, the unlatching of reverberation function, closedown and adjustment respectively;
Described control module, is electrically connected with described dio Output Modules, controls the switching between its combination audio interface, earphone interface, RCA interface.
Further, described control module also comprises:
Push-button unit, is arranged on the shell of power amplifier, is at least provided with button or the knob of the function that a described control module of correspondence controls.
The shell of power amplifier is arranged button be conveniently user to power amplification system in the using and adjusting of each function,
Compared with prior art, the utility model has following beneficial effect:
By by audio effect processing module installation in power amplification system, make power amplifier just can to input audio signal carry out audio effect processing.Making user audio effect processing function or a whole set of stereo set will be caused to use because of the fault of disc player or karaoke machine when using stereo set, using to the more convenient operation of Consumer's Experience, while also can reduce the cost of the equipment of impact.
Accompanying drawing explanation
Fig. 1 is a kind of architecture schematic diagram of multi-functional power amplification system;
Fig. 2 is the configuration diagram that a kind of multi-functional power amplification system adds microphone input module;
Fig. 3 is the configuration diagram that a kind of multi-functional power amplification system adds chauvent's criterion module;
Fig. 4 is the configuration diagram that a kind of multi-functional power amplification system is complete;
Fig. 5 is the basic framework schematic diagram that a kind of multi-functional power amplification system microphone audio effect processing module is independently arranged;
Fig. 6 is the complete configuration diagram that a kind of multi-functional power amplification system microphone audio effect processing module is independently arranged.
Embodiment
Below with reference to accompanying drawing 1-6, elaboration is further given to each embodiment of the present utility model.
As shown in Figure 1, a kind of specific embodiment one of multi-functional power amplification system, comprises Audio Input Modules, power amplifier module, the dio Output Modules of order electrical connection.
Audio Input Modules, receives the source of sound audio signal of audiogenic device input;
Power amplifier module, carries out power amplification to the source of sound audio signal that Audio Input Modules receives;
Dio Output Modules; Source of sound audio signal after being amplified by power amplifier module exports playback equipment to;
In embodiment one, also comprise the audio effect processing module be connected electrically between Audio Input Modules and power amplifier module.
Audio effect processing module, exports power amplifier module after carrying out audio effect processing to the source of sound audio signal of Audio Input Modules reception.
As shown in Figure 2, embodiment two, on the basis of embodiment one, also comprises:
Chauvent's criterion module, is connected with audio effect processing module, power amplifier module respectively, and that suppresses source of sound audio signal to produce utters long and high-pitched sounds, and exports described power amplifier module to;
Chauvent's criterion module installation has D/A conversion unit, and the mixed audio signal after chauvent's criterion is converted to analog signal output to power amplifier module by digital signal.
As shown in Figure 3, embodiment three, on the basis of embodiment two, also comprises:
Microphone input module, and be connected electrically in the microphone audio module between microphone input module and power amplifier module.
Microphone input module, receives the microphone audio signal of external speaker input;
Audio effect processing module comprises microphone audio module, microphone audio module respectively with described microphone input module, chauvent's criterion model calling, microphone input module receive microphone audio signal carry out audio effect processing after export chauvent's criterion module to.
As shown in Figure 4, the technical characteristic of embodiment four integrated embodiment one, two, three, its Audio Input Modules comprises:
AD conversion unit, is converted to digital signal by the source of sound audio signal of input by analog signal;
Audio effect processing module comprises at least one in following functions unit:
Disappear primary sound unit, by the voice filtering in source of sound audio signal;
Senior middle school's bass unit, carries out frequency division to source of sound audio signal, and controls respectively the corresponding source of sound audio signal of high, medium and low frequency range.
Its microphone input module comprises:
AD conversion unit, is converted to digital signal by the microphone audio signal that microphone inputs by analog signal;
And microphone audio module comprises at least one in following functions unit:
Balanced noise reduction pressure limit unit, microphone audio signal carries out noise reduction, pressure limit, equilibrium treatment respectively;
Electricity change of tune sound unit, the frequency of microphone audio signal regulates, and changes its tone;
Reverberation unit, the voice in microphone audio signal and the time delay of echo regulate, and change its tone color.
In embodiment one, its Audio Input Modules comprises:
Wired input unit, is provided with at least one interface in 3.5mm audio interface, 6.35mm audio interface, RCA interface, Cannon, optical fiber interface, coaxial interface;
Wireless input unit, is provided with at least one communication interface in bluetooth, WiFi, FM frequency modulation, near field communication interface.
In the present embodiment, dio Output Modules comprises:
Combination audio interface unit, is provided with the main sound box interface corresponding with combination audio and subwoofer interface;
Earphone interface unit;
RCA interface unit.
In embodiment two, microphone input module comprises:
Cable microphone access unit, is provided with at least one interface in CANNON mouth, 3.5mm audio interface, 6.35mm audio interface, USB interface, optical fiber interface, coaxial interface;
Wireless microphone access unit, is provided with at least one communication interface in bluetooth, WiFi, FM frequency modulation, near field communication interface.
As shown in Figure 4, integrated embodiment one, two, three, its power amplification system also comprises:
Control module, is electrically connected with chauvent's criterion module, controls startup and the stopping of its chauvent's criterion function;
Control module, is electrically connected with audio effect processing module, controls startup and the stopping of its former sound function that disappears, controls the switching of its high, normal, basic sound function;
Control module, is electrically connected with microphone audio module, controls its equalization function, decrease of noise functions, pressure limit function, electric change of tune sound function, the unlatching of reverberation function, closedown and adjustment respectively;
Control module, is electrically connected with dio Output Modules, controls the switching between its combination audio interface, earphone interface, RCA interface.
In embodiment one, control module also comprises:
Push-button unit, is arranged on the shell of power amplifier, is at least provided with button or the knob of the function that a corresponding control module controls.
Use the stereo set of embodiment one power amplification system, audio effect processing can be carried out by power amplifier to audio signal, avoid and go wrong once disc player or karaoke machine, audio effect processing cannot be carried out or whole system paralysis cannot work.Even, if sound source signal is not video disc, can also disc player be saved, reduce the use cost of user to a great extent.
Concrete, Audio Input Modules, receives the source of sound audio signal of audiogenic device input; For the effect for power amplification system incoming audio signal.
Power amplifier module, carries out power amplification to the source of sound audio signal that Audio Input Modules receives; The audio signal exported for enabling power amplifier promotes the playback equipments such as external combination audio or loud speaker.Preferred TPA3116 digital power amplifier chip in the present embodiment.
Dio Output Modules; Source of sound audio signal after being amplified by power amplifier module exports playback equipment to; Be mainly used in providing various output interface, can support to realize native system the function that multiple audio signal exports.
Audio effect processing module, exports power amplifier module after carrying out audio effect processing to the source of sound audio signal of Audio Input Modules reception.Audio includes the function such as the primary sound that disappears, high, normal, basic tone joint.
Chauvent's criterion module, as shown in embodiment two, is connected with audio effect processing module, power amplifier module respectively, and that suppresses source of sound audio signal to produce utters long and high-pitched sounds, and exports power amplifier module to;
Also can as shown in embodiment three, respectively with audio effect processing module, microphone audio model calling, what produce after suppressing source of sound audio signal and the mixing of microphone audio signal utters long and high-pitched sounds, and is that mixed audio signal exports power amplifier module to by generation.For avoiding the power amplification system in the present embodiment to produce self-excitation, thus avoid causing damage to playback equipment.
D/A conversion unit, is converted to simulated audio signal and exports by the digital audio and video signals after chauvent's criterion.For digital audio and video signals is converted to simulated audio signal, is convenient to power amplifier module and power amplification is carried out to it.
AD conversion unit, is converted to digital audio and video signals by the simulated audio signal of input; For simulated audio signal is converted to digital audio and video signals, be convenient to chauvent's criterion module carries out chauvent's criterion process to audio signal.
Microphone input module, receives the microphone audio signal of microphone input; Concrete, mainly comprise: cable microphone access unit, be provided with at least one interface in CANNON mouth, 3.5mm audio interface, 6.35mm audio interface, USB interface, optical fiber interface, coaxial interface; Wireless microphone access unit, is provided with at least one interface in bluetooth, WiFi, FM frequency modulation, near field communication interface.Distinct interface can be used to facilitate user, the microphone of different connected mode accesses the power amplification system of the present embodiment.
Wherein, 3.5mm audio interface be conventional audio interface as: earphone, headset often use.
6.35mm audio interface is the general audio interface of microphone.
RCA interface is RCA jack, i.e. the red Bai Huangsan look AV line that is connected with TV of video disc player, Set Top Box, preferred red and white tone frequency channel wire in the present embodiment
Cannon, is also called XLR interface, and adopt balance transmission mode transportation simulator audio signal, antijamming capability is strong, and the utility model is for accepting the audio signal input of musical instrument and professional audio equipment.
Microphone audio module, exports power amplifier module to after the microphone audio signal that microphone input module receives carries out audio effect processing.Microphone audio module includes at least one of following functions unit:
Balanced noise reduction pressure limit unit, microphone audio signal carries out noise reduction, pressure limit, equilibrium treatment respectively;
Electricity change of tune sound unit, the frequency of microphone audio signal regulates, and changes its tone;
Reverberation unit, the voice in microphone audio signal and the time delay of echo thereof regulate, and change its tone color.Time delay is shorter, and tone color is drier and more astringent; Time delay is longer, and tone color is more muddy.
By microphone audio module, the power amplification system in the present embodiment voice (i.e. microphone audio signal) that independently microphone collects can do corresponding audio effect processing, and can not produce interfere with or compromise to source of sound audio signal.
Wired input unit, is provided with at least one interface in 3.5mm audio interface, 6.35mm audio interface, RCA interface, Cannon, optical fiber interface, coaxial interface.
Wireless input unit, is provided with at least one communication interface in bluetooth, WiFi, FM frequency modulation, near field communication interface.For the input enabling the power amplification system in the present embodiment adapt to the source of sound audio signal of multiple distinct interface or form, be user-friendly to.
Combination audio interface unit, is provided with the main sound box interface corresponding with combination audio and subwoofer interface; For accessing the combination audio with main sound box and subwoofer.
Earphone interface unit; For the earphone access that correspondence is general, the audio interface of preferred 3.5mm.
RCA interface unit; The audio cable access of RCA connector or socket is adopted for correspondence.
Control module, for selecting the interface when controlling and adjustment of audio effect processing various in power amplification system and output audio signal.As the equilibrium adjustment of: the switch of the primary sound function that disappears, the selection of senior middle school's bass and adjustment, audio signal, the switch of decrease of noise functions, the switch of pressure limit function and adjustment, the selection of electric change of tune sound, the adjustment of reverberation, the switch of chauvent's criterion function.And the interface adopted during output audio signal: combination audio interface, earphone interface, RCA interface (RCA jack).
Push-button unit, is arranged on the shell of power amplifier, is at least provided with button or the knob of the function that an above-mentioned control module of correspondence controls.Button and the knob of chauvent's criterion function and audio effect processing function are preferably set.Corresponding Full Featured control button or knob can be set according to actual needs.
In embodiment two, the basis of embodiment one adds independently microphone audio signal line attachment, namely when microphone input module and microphone audio module, enable power amplification system complete independently Karaoke etc. need the function of the above audio signal input of two-way.User is used during stereo set and operates simplification conveniently, also reduce hardware cost.
As the improvement of embodiment one, on the basis of embodiment one, to each road output interface all correspondence independently power amplifier module (TPA3116 digital power amplifier) is set, especially in combination audio interface, arrange independently power amplifier module access control module respectively to the interface of its main sound box and subwoofer to control it, be convenient to carry out independently frequency adjustment and volume adjusting to bass audio signal.To meet the user or the occasion needs that bass are had to specific demand.
Embodiment five, on the basis of embodiment four, logarithmic mode converting unit other modules relative to AD conversion unit carry out separate configurations, are convenient to the simplification of functional circuit in power amplification system, also facilitate circuit design.
Embodiment six, as shown in accompanying drawing 5, accompanying drawing 6, on the basis of embodiment five, microphone audio module is independent of audio effect processing module installation.
Arrange microphone audio module independent of audio effect processing module, convenient being separated with the audio of source of sound by the audio of microphone processes, and prevents there is interference therebetween, affects the quality of audio signal.
Foregoing; be only preferred embodiment of the present utility model; not for limiting embodiment of the present utility model; those of ordinary skill in the art are according to central scope of the present utility model and spirit; can carry out corresponding flexible or amendment very easily, therefore protection range of the present utility model should be as the criterion with the protection range required by claims.
Claims (10)
1. a multi-functional power amplification system, comprising:
Audio Input Modules, receives the source of sound audio signal of audiogenic device input;
Power amplifier module, carries out power amplification to the described source of sound audio signal that described Audio Input Modules receives;
Dio Output Modules; Described source of sound audio signal after being amplified by described power amplifier module exports playback equipment to;
It is characterized in that, also comprise:
Audio effect processing module, exports described power amplifier module to after the described source of sound audio signal received described Audio Input Modules carries out audio effect processing.
2. a kind of multi-functional power amplification system as claimed in claim 1, is characterized in that, also comprise:
Chauvent's criterion module, is connected with described audio effect processing module, described power amplifier module respectively, and that suppresses described source of sound audio signal to produce utters long and high-pitched sounds, and exports described power amplifier module to;
Described chauvent's criterion module installation has D/A conversion unit, and the described source of sound audio signal after chauvent's criterion is converted to analog signal output by digital signal.
3. a kind of multi-functional power amplification system as claimed in claim 2, is characterized in that, also comprise:
Microphone input module, receives the microphone audio signal of microphone input;
Described audio effect processing module comprises microphone audio module, described microphone audio module respectively with described microphone input module, described chauvent's criterion model calling, export described chauvent's criterion module to after the microphone audio signal received described microphone input module carries out audio effect processing.
4. a kind of multi-functional power amplification system as claimed in claim 1, it is characterized in that, described Audio Input Modules comprises:
AD conversion unit, is converted to digital signal by the described source of sound audio signal of input by analog signal;
And described audio effect processing module comprises:
Disappear primary sound unit, by the voice filtering in described source of sound audio signal; And/or
Senior middle school's bass unit, carries out frequency division to described source of sound audio signal, and controls respectively the corresponding described source of sound audio signal of high, medium and low frequency range.
5. a kind of multi-functional power amplification system as claimed in claim 3, is characterized in that, described microphone input module comprises:
AD conversion unit, is converted to digital signal by the described microphone audio signal that microphone inputs by analog signal;
And described microphone audio module comprises at least one in balanced noise reduction pressure limit unit, electric change of tune sound unit, reverberation unit;
Described balanced noise reduction pressure limit unit, carries out noise reduction, pressure limit, equilibrium treatment respectively to described microphone audio signal;
Described electric change of tune sound unit, regulates the frequency of described microphone audio signal, changes its tone;
Described reverberation unit, regulates the time delay of the voice in described microphone audio signal and echo, changes its tone color.
6. a kind of multi-functional power amplification system as claimed in claim 1, is characterized in that, described Audio Input Modules comprises at least one in wired input unit and wireless input unit;
Described wired input unit, is provided with at least one interface in 3.5mm audio interface, 6.35mm audio interface, RCA interface, Cannon, optical fiber interface, coaxial interface;
Described wireless input unit, is provided with at least one communication interface in bluetooth, WiFi, FM frequency modulation, near field communication interface.
7. a kind of multi-functional power amplification system as claimed in claim 1, is characterized in that, described dio Output Modules comprises at least one in combination audio interface unit, earphone interface unit, RCA interface unit;
Described combination audio interface unit, is provided with the main sound box interface corresponding with combination audio and subwoofer interface.
8. a kind of multi-functional power amplification system as claimed in claim 3, is characterized in that, described microphone input module comprises at least one in wired input unit and wireless input unit;
Described cable microphone access unit, is provided with at least one interface in CANNON mouth, 3.5mm audio interface, 6.35mm audio interface, USB interface, optical fiber interface, coaxial interface;
Described wireless microphone access unit, is provided with at least one communication interface in bluetooth, WiFi, FM frequency modulation, near field communication interface.
9. the multi-functional power amplification system of one as described in claim 2,3,4,5 or 7, is characterized in that, also comprise:
Control module, is electrically connected with described chauvent's criterion module, controls startup and the stopping of its chauvent's criterion function;
Described control module, is electrically connected with described audio effect processing module, controls startup and the stopping of its former sound function that disappears, controls the switching of its high, normal, basic sound function;
Described control module, is electrically connected with described microphone audio module, controls its equalization function, decrease of noise functions, pressure limit function, electric change of tune sound function, the unlatching of reverberation function, closedown and adjustment respectively;
Described control module, is electrically connected with described dio Output Modules, controls the switching between its combination audio interface, earphone interface, RCA interface.
10. a kind of multi-functional power amplification system as claimed in claim 9, it is characterized in that, described control module also comprises:
Push-button unit, is arranged on the shell of power amplifier, is at least provided with button or the knob of the function that a described control module of correspondence controls.
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| CN201520996096.1U CN205142478U (en) | 2015-12-03 | 2015-12-03 | Multi -functional power amplifier system |
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| CN201520996096.1U CN205142478U (en) | 2015-12-03 | 2015-12-03 | Multi -functional power amplifier system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978651A (en) * | 2016-06-18 | 2016-09-28 | 广州市声讯电子科技有限公司 | Movable emergency broadcasting system |
| WO2018095022A1 (en) * | 2016-11-24 | 2018-05-31 | 深圳市好兄弟电子有限公司 | Microphone system |
| CN108737918A (en) * | 2017-04-21 | 2018-11-02 | 李龙根 | A kind of adjustable double reverberation Karaoke earphones of tone |
| CN108834029A (en) * | 2018-08-11 | 2018-11-16 | 广东梦之音车载科技有限公司 | A kind of vehicle-mounted digital audio frequency power amplifier processor |
-
2015
- 2015-12-03 CN CN201520996096.1U patent/CN205142478U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978651A (en) * | 2016-06-18 | 2016-09-28 | 广州市声讯电子科技有限公司 | Movable emergency broadcasting system |
| WO2018095022A1 (en) * | 2016-11-24 | 2018-05-31 | 深圳市好兄弟电子有限公司 | Microphone system |
| CN108737918A (en) * | 2017-04-21 | 2018-11-02 | 李龙根 | A kind of adjustable double reverberation Karaoke earphones of tone |
| CN108834029A (en) * | 2018-08-11 | 2018-11-16 | 广东梦之音车载科技有限公司 | A kind of vehicle-mounted digital audio frequency power amplifier processor |
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