CN206993380U - A kind of audio amplifier with processing function - Google Patents

Abstract

The utility model discloses a kind of audio amplifier with processing function, including：Casing, the casing also include outside：One housing, it is socketed on the casing, a control mainboard, is installed on the outside of the housing, multiple loudspeakers, to the electroacoustic transducer as audio amplifier, multiple switch, open, close to adjust volume or control audio amplifier, and, multiple buckles, the control mainboard is fixed on the housing, in addition to：One processor being connected with control mainboard, to handle audio signal, a frequency divider, it is connected with processor, the audio signal of input is separated into the different pieces such as high pitch, middle pitch, bass, it is respectively fed to reset in multiple loudspeakers of corresponding high, medium and low sound.There is the audio amplifier of processing function, it is possible to increase tonequality, easy to carry, simple in construction, profile fineness so that broadcast effect is not influenceed by evolution in the utility model.So as to farthest ensure tonequality and audio.

Description

A kind of audio amplifier with processing function

Technical field

Digital domain and field of signal processing are the utility model is related to, more particularly to a kind of audio amplifier with processing function.

Background technology

Audio amplifier, it is the terminal of whole sound system, its effect is that audio electric energy is converted into corresponding acoustic energy, and its spoke Space is mapped to go.It is the extremely important part of sound system, because it is responsible for is transformed into acoustical signal confession electric signal The ear of people directly listens to so mission critical, and the sense of hearing that it will be directly with people is come into contacts with, and the sense of hearing of people is very clever Quick, and there is very strong resolving ability to the tone color of complex sound.Because human ear is exactly to evaluate to the subjective feeling of sound The most important standard of one sound system sound quality quality, accordingly, it is believed that the performance height of audio amplifier is to a sound system Playing quality be to play key effect.At the same time, audio amplifier is also the indispensable thing of music-lover, as the New Times Product, attractive appearance is that necessary, graceful moulding is not only a kind of decoration, or a kind of enjoyment of soul.It is existing Loudspeaker box structure it is more complicated, broadcast effect is also bad, somewhat changes position, and broadcast effect will change.Put in such as Track loudspeaker box, typically all it is placed on tonequality shadow of the position center channels audio amplifier close proximity to picture screen center to film dialogue Maximum is rung, in order to ensure that dialogue is accurately located at center Screen and clear sound, it should which use designs exclusively for center channels Independent audio amplifier, and not replaced with the loudspeaker of common bookshelf audio amplifier or inside television.Such as left and right sound channels sound Case, two putting for audio amplifier have certain relation with the position of center channels audio amplifier.In order to ensure the steady of the left and right movement of acoustic image Property, they should be placed in the both sides of center channels audio amplifier respectively, and this three audio amplifiers should be with the position of optimal auditor before screen Put the distance for keeping equal.In general, the pendulum position of center-channel speaker should step back a segment distance than left and right two audio amplifiers, until Both can be fully integrated together sound field, build really unified acoustic image positioning jointly.The distance of retrogressing and space size, listen Listen position relevant with audio amplifier used, can be determined by testing.For another example, Sorrounding sound channel loudspeaker box, putting for loop wire audio amplifier should regard The left audio amplifier around with right surround this two sound channel of the type of acoustic surrounding (room availability) and loop wire audio amplifier and different, its The diffusivity of sound should overweight directionality, so favorably build strong circular atmosphere.

Utility model content

The technical problems to be solved in the utility model is can to improve tonequality and the sound with processing function easy to carry Case.

Solving above-mentioned technical problem, the utility model provides a kind of audio amplifier with processing function, including：Casing, institute State also includes outside casing：

One housing, the casing is socketed on,

One control mainboard, the outside of the housing is installed on,

Multiple loudspeakers, to the electroacoustic transducer as audio amplifier,

Multiple switch, open, close to adjust volume or control audio amplifier,

And multiple buckles, the control mainboard is fixed on the housing,

Also include：One processor being connected with control mainboard, to handle audio signal,

One frequency divider, is connected with processor, the audio signal of input is separated into the differences such as high pitch, middle pitch, bass Part, it is respectively fed to reset in multiple loudspeakers of corresponding high, medium and low sound.

Further, also include in the control mainboard：The effect being connected installed in the control mainboard with the processor Fruit device, effect device can be exclusively used in producing the electronic instrument of any of the above effect, and its effect is to change the waveform of original sound, The phase of modulation or delay sound wave, enhancing sound wave together with a series of measures such as wave components, produce various special sound effects, applied to tone color Add effect.

Further, also include in the control mainboard：It is connected installed in the control mainboard with the processor equal Weighing apparatus, balanced device are a kind of electronic equipments that can adjust various frequency content electric signal amplification quantities respectively, by it is various not The defects of regulation of the electric signal of same frequency is to compensate loudspeaker and sound field, compensate and modify various sound sources and other special works With the balanced device on general sound console is only capable of that high frequency, intermediate frequency, the band frequency electric signal of low frequency three are adjusted respectively.

Further, also include in the control mainboard：The pressure being connected installed in the control mainboard with the processor Limit device.Compressor is compression and the abbreviation of limiter.Compressor reducer：Be it is a kind of with incoming signal level increase and gain itself subtracts Few amplifier.Limiter：A kind of such amplifier, after output level reaches certain value, no matter incoming level how Increase, its Maximum Output Level keep constant amplifier.The Maximum Output Level can be adjusted as needed.

Further, also include in the control mainboard：Swash installed in what the control mainboard was connected with the processor Encourage device.Driver is a kind of harmonic oscillator, using the psychoacoustic characteristics of people, the sound modified voice signal and beautified Processing equipment.By increasing a variety of methods such as high-frequency harmonic composition to sound, tonequality, tone color can be improved, improve wearing for sound Saturating power, increase the spatial impression of sound.Modern driver can not only create high-frequency harmonic, but also with low frequency extension and sound The functions such as happy style, make that bass effect is more perfect, music has more expressive force.

Further, also include in the control mainboard：Prolong installed in the control mainboard with what the processor was connected When device.Delayer (Delay) is the effect device for producing reverberation or echo.Have simulation delayer, digital time delayer, reverberator etc. it Principle it is essentially identical, be widely used in stereo of stage, play Karaoka.

Further, also include in the control mainboard：The change being connected installed in the control mainboard with the processor Depressor.Transformer is preferred：Annular large-power power transformer.Miscellaneous sound appliances major part is required for electricity consumption, uses Electricity is typically active equipment, and some are passive equipment without electricity consumption, such as loudspeaker.In active equipment, except small portion Part is used outside dry cell power supply, and others are typically all connected to civil power up, and these equipment just need power transformer.

Further, also include in the control mainboard：It is connected installed in the control mainboard with the processor anti- Present suppressor.Feedback suppressor (Feedback Exterminator) is in sound reinforcement system, if microphone volume carried out larger Lifting, the sound that audio amplifier is sent will pass to caused by microphone and utter long and high-pitched sounds, and this phenomenon is exactly acoustic feedback.

Further, also include in the control mainboard：The sound being connected installed in the control mainboard with the processor Case phase-reversing tube, to increase bass intensity, when bass is pressurized, bass can be cleaner.

Further, the switch includes：One level setting switches,

The level setting switches include：One bass adjusting switch, a middle pitch adjusting switch and high pitch regulation are opened Close, the bass adjusting switch and the high pitch adjusting switch are respectively positioned at the both sides of the middle pitch adjusting switch

The beneficial effects of the utility model：

There is the audio amplifier of processing function, it is possible to increase tonequality, easy to carry, simple in construction, profile essence in the utility model It is beautiful so that broadcast effect is not influenceed by evolution.So as to farthest ensure tonequality and audio.

Brief description of the drawings

Fig. 1 is the structural representation in the embodiment of the utility model one；

Fig. 2 is the theory diagram in Fig. 1；

Fig. 3 is the preferred embodiment schematic diagram in Fig. 1.

Embodiment

The principle of the disclosure is described referring now to some example embodiments.It is appreciated that these embodiments are merely for saying It is bright and help it will be understood by those skilled in the art that with the purpose of the embodiment disclosure and describe, rather than suggest the model to the disclosure Any restrictions enclosed.Content of this disclosure described here can in a manner of described below outside various modes implement.

As described herein, term " comprising " and its various variants are construed as open-ended term, it means that " bag Include but be not limited to ".Term "based" is construed as " being based at least partially on ".Term " one embodiment " it is understood that For " at least one embodiment ".Term " another embodiment " is construed as " at least one other embodiment ".

Operation principle of the present utility model is as follows：Switched by audio amplifier and open audio amplifier, adjust level setting switches to play Sound.Effect device is broadcasting sound is had more the sense of reality, and balanced device is to be used to adjust various frequencies to compensate loudspeaker harmony The defects of sound, compressor are fainter signal is become big and larger signal is diminished, driver signal is carried out modification and The sonication of beautification, delayer make the effect of sound echogenicity or mixing sound, and transformer can reduce interference, feedback suppressor energy handle Sound carries out larger lifting, and processor is handled signal, and information is divided into several frequency ranges by frequency divider, and control mainboard will The signal of distinct device is concentrated together, and passes to the external world, and level setting switches are used for adjusting volume, and buckle is used to connect, raised Information is converted to sound, sound box inverted tube increase bass intensity by sound device.

Specifically, refer to Fig. 1 and Fig. 2 is the structural representation and theory diagram in the embodiment of the utility model one, this A kind of audio amplifier with processing function in embodiment, including：Casing, the casing also include outside：One housing 1, is socketed on institute State casing, a control mainboard 13, be installed on the outside of the housing 1, multiple loudspeakers 15, to the electroacoustic transduction as audio amplifier Device, multiple switch, open, close to adjust volume or control audio amplifier, and, multiple buckles 10, the control to be led Plate 13 is fixed on the housing 1, in addition to：One processor 11 being connected with control mainboard 13, to handle audio signal, one Frequency divider 12, it is connected with processor 11, the audio signal of input is separated into the different pieces such as high pitch, middle pitch, bass, point It Song Ru not reset accordingly in multiple loudspeakers of high, medium and low sound.It can be carried by the above-mentioned audio amplifier with processing function High tone quality, easy to carry, simple in construction, profile fineness so that broadcast effect is not influenceed by evolution.It refer to Fig. 3, Also include in the control mainboard 13：The effect device being connected installed in the control mainboard with the processor.The control master Also include on plate 13：The balanced device being connected installed in the control mainboard 13 with the processor 11, for adjusting various frequencies The defects of to compensate loudspeaker and sound.Also include in the control mainboard 13：Installed in the control mainboard and the processing The connected compressor of device 11, larger signal is set to diminish for making fainter signal become big.In the control mainboard 13 also Including：The driver 6 being connected installed in the control mainboard with the processor 11, to what is modified signal and beautified Sonication.Also include in the control mainboard 13：The delayer being connected installed in the control mainboard 13 with the processor 11 7, to make the effect of sound echogenicity or mixing sound.Also include in the control mainboard 13：Installed in the control mainboard 13 The transformer 8 being connected with the processor 11, to reduce interference.Also include in the control mainboard 13：Installed in the control The feedback suppressor 9 that mainboard 13 processed is connected with the processor 11, sound is carried out larger lifting.The control mainboard Also include on 13：The sound box inverted tube 16 being connected installed in the control mainboard 13 with the processor 11.The switch includes： One level setting switches, the level setting switches include：One bass adjusting switch, a middle pitch adjusting switch and a high pitch Adjusting switch, the bass adjusting switch and the high pitch adjusting switch are located at the both sides of the middle pitch adjusting switch respectively.

As preferred in the present embodiment, accompanying drawing 1 refer to, the audio amplifier with processing function in the present embodiment includes shell Body 1, audio amplifier switch 2, effect device 3, balanced device 4, compressor 5, driver 6, delayer 7, transformer 8, feedback suppressor 9, card Button 10, processor 11, frequency divider 12, control mainboard 13, level setting switches 14, loudspeaker 15, sound box inverted tube 16, housing 1 Fixed between control mainboard 13 by four buckles 10, audio amplifier switch 2, effect device 3, balanced device 4, compressor 5, driver 6, Delayer 7, transformer 8, feedback suppressor 9, processor 11, two frequency divider 12, three level setting switches 14, audio amplifier paraphase Pipe 16 is all connected with control mainboard 13, and four loudspeakers 15 are connected with the bottom of housing 1, as shown in figure 1, four loudspeakers 15 are located at The lower section of control mainboard 13, effect device 3 and compressor 5 are located at the both sides of balanced device 4 respectively, and driver 6 is located at the right side of compressor 5 Side, driver 6 and transformer 8 are located at the both sides of delayer 7 respectively, and audio amplifier switch 2 is located at the right side of transformer 8, audio amplifier switch 2 Positioned at the left side of feedback suppressor 9, processor 11 is located at the lower left of feedback suppressor 9, and two frequency dividers 12 are located at processor 11 left side, sound box inverted tube 16 and two frequency dividers 12 are located at three both sides of level setting switches 14 respectively.In the present embodiment The audio amplifier with processing function, integrate a variety of, be convenient for carrying, and can farthest ensure tonequality and audio.

Preferably, level setting switches 14 include bass adjusting switch, middle pitch adjusting switch, high pitch adjusting switch, bass Adjusting switch and high pitch adjusting switch are located at the both sides of middle pitch adjusting switch respectively.There are multiple bayonet sockets, Neng Goufang in the both ends of housing 1 Just change.

It should be appreciated that each several part of the present utility model can be realized with hardware, software, firmware or combinations thereof. In above-mentioned embodiment, what multiple steps or method can be performed in memory and by suitable instruction execution system with storage Software or firmware are realized.If, and in another embodiment, can be with known in this field for example, realized with hardware Any one of following technology or their combination realize：With the gate for realizing logic function to data-signal The discrete logic of circuit, the application specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), Field programmable gate array (FPGA) etc..

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be Combined in an appropriate manner in any one or more embodiments or example.

In general, the various embodiments of the disclosure can be with hardware or special circuit, software, logic or its any combination Implement.Some aspects can be implemented with hardware, and some other aspect can be with firmware or software implementation, and the firmware or software can With by controller, microprocessor or other computing devices.Although the various aspects of the disclosure be shown and described as block diagram, Flow chart is represented using some other drawing, but it is understood that frame described herein, equipment, system, techniques or methods can With in a non limiting manner with hardware, software, firmware, special circuit or logic, common hardware or controller or other calculating Equipment or some combinations are implemented.

Although in addition, operation is described with particular order, this is understood not to require this generic operation with shown suitable Sequence is performed or performed with generic sequence, or requires that all shown operations are performed to realize expected result.In some feelings Under shape, multitask or parallel processing can be favourable.Similarly, begged for although the details of some specific implementations is superincumbent By comprising but these are not necessarily to be construed as any restrictions to the scope of the present disclosure, but the description of feature is only pin in To specific embodiment.Some features described in some embodiments of separation can also be held in combination in single embodiment OK.Mutually oppose, the various features described in single embodiment can also in various embodiments be implemented separately or to appoint The mode of what suitable sub-portfolio is implemented.

Claims (10)

1. a kind of audio amplifier with processing function, including：Casing, it is characterised in that also include outside the casing：

One housing, the casing is socketed on,

One control mainboard, the outside of the housing is installed on,

Multiple loudspeakers, to the electroacoustic transducer as audio amplifier,

Multiple switch, open, close to adjust volume or control audio amplifier,

And multiple buckles, the control mainboard is fixed on the housing,

Also include：One processor being connected with control mainboard, to handle audio signal,

One frequency divider, is connected with processor, the audio signal of input is separated into the different pieces such as high pitch, middle pitch, bass, It is respectively fed to reset in multiple loudspeakers of corresponding high, medium and low sound.

2. audio amplifier according to claim 1, it is characterised in that also include in the control mainboard：Installed in the control The effect device that mainboard is connected with the processor.

3. audio amplifier according to claim 1, it is characterised in that also include in the control mainboard：Installed in the control The balanced device that mainboard is connected with the processor.

4. audio amplifier according to claim 1, it is characterised in that also include in the control mainboard：Installed in the control The compressor that mainboard is connected with the processor.

5. audio amplifier according to claim 1, it is characterised in that also include in the control mainboard：Installed in the control The driver that mainboard is connected with the processor.

6. audio amplifier according to claim 1, it is characterised in that also include in the control mainboard：Installed in the control The delayer that mainboard is connected with the processor.

7. audio amplifier according to claim 1, it is characterised in that also include in the control mainboard：Installed in the control The transformer that mainboard is connected with the processor.

8. audio amplifier according to claim 1, it is characterised in that also include in the control mainboard：Installed in the control The feedback suppressor that mainboard is connected with the processor.

9. audio amplifier according to claim 1, it is characterised in that also include in the control mainboard：Installed in the control The sound box inverted tube that mainboard is connected with the processor.

10. audio amplifier according to claim 1, it is characterised in that the switch includes：One level setting switches,

The level setting switches include：One bass adjusting switch, a middle pitch adjusting switch and a high pitch adjusting switch, institute State the both sides that bass adjusting switch and the high pitch adjusting switch are located at the middle pitch adjusting switch respectively.