CN202663606U - Audio frequency and level control acousto-optic device as well as acousto-optic machine - Google Patents
Audio frequency and level control acousto-optic device as well as acousto-optic machine Download PDFInfo
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- CN202663606U CN202663606U CN 201220222602 CN201220222602U CN202663606U CN 202663606 U CN202663606 U CN 202663606U CN 201220222602 CN201220222602 CN 201220222602 CN 201220222602 U CN201220222602 U CN 201220222602U CN 202663606 U CN202663606 U CN 202663606U
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Abstract
The utility model belongs to the technical field of acousto-optic control, and particularly relates to an audio frequency and level control acousto-optic device and an acousto-optic machine, wherein the acousto-optic device comprises an audio-level balance turning circuit, a loudspeaker and a light emitting device; the input audio signal source of the audio-level balance turning circuit inputs an audio signal source and outputs the audio signal source to the loudspeaker and the light emitting device; the light emitting device is combined with RGB (Red, Green, Blue), and is provided with three parallel frequency-selecting filtering and amplifying circuits with different three filtering frequency ranges; each frequency-selecting filtering and amplifying circuit inputs and generates control signals of one primary color of the RGB from the audio-level balance turning circuit; the RGB combined light-emitting device respectively obtains the control signals of the three primary colors from the three frequency-selecting filtering and amplifying circuits, and combines the control signals so as to emit corresponding light; and according to the variation of dynamic color reflection audio signal frequency of the light emitting device, the sound effect and the dynamic color of the corresponding light-emitting device are synchronously variable in a linkage manner.
Description
Technical field
The utility model belongs to the controlled by sound and light technical field, particularly relates to a kind of audio frequency and level guide sound electro-optical device and a kind of audio frequency and level control acousto-optic device.
Background technology
At present, relate to the sound equipment series products of sound and light program, can be divided into two large classes by its control mode: level control and LED built-in chip are controlled voluntarily.
Common first kind level guide sound light effect system mainly is to extract the audio level signal light-emitting device is implemented control.When level signal changes, light successively the one group of luminous element (LED) that is formed by different colours from low to high, by lighting the quantity of luminous element (LED), produce the visual effect that a kind of level signal just changes.
The shortcoming of level guide sound light effect system is: can not reflect the variation of audio signal frequency.
Equations of The Second Kind LED built-in chip is guide sound light effect system voluntarily, and circuit is simple, easily realizes.Color
Change and be better than first kind sound and light program system.
LED built-in chip voluntarily guide sound light effect system shortcoming is: the color change of LED and audio signal
Frequency and the variation of level fully irrelevant, therefore can not reach the effect that sound and color change synchronously.Next because the LED built-in chip is set for the Changing Pattern of color, goes round and begins again, and constantly repeats, and is not only dull, and can't reach too the visual effect of a series of colors changing hues.
The utility model content
The purpose of this utility model is for the deficiencies in the prior art, and a kind of audio frequency and level guide sound electro-optical device and acousto-optic device that can reflect that audio signal frequency changes is provided.
Audio frequency of the present utility model and level guide sound electro-optical device, comprise audio level balance tuning circuit, loud speaker and light-emitting device, wherein, audio level balance tuning circuit input audio signal source also exports loud speaker to and light-emitting device, and described light-emitting device is the synthetic light-emitting device of RGB;
Be provided with the different frequency-selective filtering amplifying circuit of three filtering frequency ranges arranged side by side, each frequency-selective filtering amplifying circuit generates the control signal of one of them primary colours of RGB from the input of audio level balance tuning circuit;
Thereby the synthetic light-emitting device of RGB obtains respectively the control signal of three primary colours and synthesizes and send corresponding light from these three frequency-selective filtering amplifying circuits.
Wherein, described three frequency-selective filtering amplifying circuits are with the adjustable frequency-selective filtering amplifying circuit of passband section.
Wherein, described three adjustable scopes of frequency-selective filtering amplifying circuit band passband section are 20Hz-20KHz.
Wherein, in described three frequency-selective filtering amplifying circuits, the first frequency-selective filtering amplifying circuit band passband section is 20Hz-20KHz, and the second frequency-selective filtering amplifying circuit band passband section is 300Hz-20KHz, and the 3rd frequency-selective filtering amplifying circuit band passband section is 700Hz-20KHz.
Wherein, light-emitting device is LED.
Wherein, also include the audio power amplifying apparatus that is arranged between audio level balance regulator and the loud speaker.
Further, a kind of audio frequency and level control acousto-optic device comprise at least two audio frequencies as described above arranged side by side and level guide sound electro-optical device.
Its beneficial effect is the variation by the dynamic color reflection audio signal frequency of light-emitting device, sound effect is with the with it dynamic color synchronous interaction variation of corresponding light-emitting device, simultaneously, light-emitting device has the color change between the different color, and the interlock between sound and the light changes the good sound and light program of generation.
Description of drawings
Fig. 1 is the schematic diagram of audio frequency of the present utility model and level guide sound electro-optical device.
Fig. 2 is the schematic diagram of audio frequency of the present utility model and level control acousto-optic device.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Embodiment one
Audio frequency in the present embodiment and level guide sound electro-optical device, comprise audio level balance tuning circuit, loud speaker and light-emitting device, wherein, audio level balance tuning circuit input audio signal source also exports loud speaker to and light-emitting device, and described light-emitting device is the synthetic light-emitting device of RGB;
Be provided with the different frequency-selective filtering amplifying circuit of three filtering frequency ranges arranged side by side, each frequency-selective filtering amplifying circuit generates the control signal of one of them primary colours of RGB from the input of audio level balance tuning circuit;
Each audio signal source (all kinds of machines and equipment that audio signal source general reference can output audio signal, as: computer, mobile phone, CD, VCD, DVD, MP3, MP4, all kinds of stereo sets etc..) audio signal input audio level balance tuning circuit, audio signal behind the balance of power level tuning circuit is inputted respectively the first frequency-selective filtering amplifying circuit, the second frequency-selective filtering amplifying circuit and the 3rd frequency-selective filtering amplifying circuit, according to the band passband section of in advance setting signal being carried out frequency-selective filtering amplifies, simultaneously, generate the control signal of one of them primary colours of RGB.
Thereby the synthetic light-emitting device of RGB obtains respectively the control signal of three primary colours and synthesizes and send corresponding light from these three frequency-selective filtering amplifying circuits.
The dynamic color of light-emitting device is by the common generation at the dynamic control signal of three different frequency ranges.The synthetic process of color is to use the process of the principle of red-green-blue additive color mixture (namely according to the synthetic colour mixture of different ratio additions).
When inputting different audio signals, light-emitting device can send with it three primary colors light or synthetic light of different colours, and its color is as follows respectively: 1) three primary colors: red, green, blue; 2) secondary colours: yellow (red+green), cyan (green+blueness), purple (red+blue), white (red+green+blueness); 3) other colors: other colors (the three primary colors light intensity ratio of light-emitting device can occur when changing) of orange, grey etc. and visible spectrum.
When inputting identical audio signal, 6 kinds of permutation and combination of the three primary colors of the light-emitting device of controlling when three frequency-selective filtering amplifying circuits (be RGB, red bluish-green, Lan Hong is green, bluish-green red, turquoise red, green red indigo plant) order not simultaneously, the three primary colors light of the different colours that it sends or the sequential of synthetic light also can be different.
Input audio power amplifying circuit in one of audio signal behind balance of power level tuning circuit road after the audio signal amplification, is exported by loudspeaker sound.
The dynamic visual impact synchronous interaction that the different color that the frequency of loudspeaker sound output and the dynamic voice effect of sound intensity variation and light-emitting device are synthetic and different light intensity change, thus reach predefined sound and light program.
Further, described three frequency-selective filtering amplifying circuits are with the adjustable frequency-selective filtering amplifying circuit of passband section, described three adjustable scopes of frequency-selective filtering amplifying circuit band passband section are 20Hz-20KHz, and described three frequency-selective filtering amplifying circuits can be adjusted arbitrarily, set in the band limits of 20Hz-20KHz according to the needs of actual conditions.
Further, in described three frequency-selective filtering amplifying circuits, the first frequency-selective filtering amplifying circuit band passband section is 20Hz-20KHz, and the second frequency-selective filtering amplifying circuit band passband section is 300Hz-20KHz, and the 3rd frequency-selective filtering amplifying circuit band passband section is 700Hz-20KHz.
When band passband section was mainly 20Hz-20KHz, the primary color component that the first frequency-selective filtering amplifying circuit is controlled in the shown color of audio frequency and level guide sound electro-optical device was stronger;
When band passband section was mainly 300Hz-20KHz, the primary color component that the second frequency-selective filtering amplifying circuit is controlled in the shown color of audio frequency and level guide sound electro-optical device was stronger;
When band passband section was mainly 700Hz-20KHz, the primary color component that the 3rd frequency-selective filtering amplifying circuit is controlled in the shown color of audio frequency and level guide sound electro-optical device was stronger;
Wherein, light-emitting device is LED.
Embodiment two
The present embodiment audio frequency and level control acousto-optic device are audio frequency and the level guide sound electro-optical devices that has adopted a plurality of embodiment one arranged side by side.
Should be noted that at last light-emitting actuating device is conventional prior art, light-emitting actuating device omits in the drawings; Simultaneously; above embodiment is only in order to illustrate the technical solution of the utility model; but not to the restriction of the utility model protection range; although with reference to preferred embodiment the utility model has been done to explain; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from essence and the scope of technical solutions of the utility model.
Claims (7)
1. an audio frequency and level guide sound electro-optical device comprise audio level balance tuning circuit, loud speaker and light-emitting device, and wherein, audio level balance tuning circuit input audio signal source also exports loud speaker to and light-emitting device, it is characterized in that:
Described light-emitting device is the synthetic light-emitting device of RGB;
Be provided with the different frequency-selective filtering amplifying circuit of three filtering frequency ranges arranged side by side, each frequency-selective filtering amplifying circuit generates the control signal of one of them primary colours of RGB from the input of audio level balance tuning circuit;
Thereby the synthetic light-emitting device of RGB obtains respectively the control signal of three primary colours and synthesizes and send corresponding light from these three frequency-selective filtering amplifying circuits.
2. a kind of audio frequency according to claim 1 and level guide sound electro-optical device, it is characterized in that: described three frequency-selective filtering amplifying circuits are with the adjustable frequency-selective filtering amplifying circuit of passband section.
3. a kind of audio frequency according to claim 2 and level guide sound electro-optical device, it is characterized in that: described three adjustable scopes of frequency-selective filtering amplifying circuit band passband section are 20Hz-20KHz.
4. a kind of audio frequency according to claim 1 and level guide sound electro-optical device, it is characterized in that: in described three frequency-selective filtering amplifying circuits, the first frequency-selective filtering amplifying circuit band passband section is 20Hz-20KHz, the second frequency-selective filtering amplifying circuit band passband section is 300Hz-20KHz, and the 3rd frequency-selective filtering amplifying circuit band passband section is 700Hz-20KHz.
5. a kind of audio frequency according to claim 1 and level guide sound electro-optical device, it is characterized in that: light-emitting device is LED.
6. a kind of audio frequency according to claim 1 and level guide sound electro-optical device is characterized in that: also include the audio power amplifying apparatus that is arranged between audio level balance regulator and the loud speaker.
7. an audio frequency and level control acousto-optic device is characterized in that: comprise at least two arranged side by side such as claim 1,2,3,4,5 or 6 described audio frequencies and level guide sound electro-optical device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220222602 CN202663606U (en) | 2012-05-17 | 2012-05-17 | Audio frequency and level control acousto-optic device as well as acousto-optic machine |
| SG2012059580A SG195426A1 (en) | 2012-05-17 | 2012-08-10 | Synchronized audio frequency and light emitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220222602 CN202663606U (en) | 2012-05-17 | 2012-05-17 | Audio frequency and level control acousto-optic device as well as acousto-optic machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202663606U true CN202663606U (en) | 2013-01-09 |
Family
ID=47458474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220222602 Expired - Fee Related CN202663606U (en) | 2012-05-17 | 2012-05-17 | Audio frequency and level control acousto-optic device as well as acousto-optic machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202663606U (en) |
| SG (1) | SG195426A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104599671A (en) * | 2013-10-30 | 2015-05-06 | 纬创资通股份有限公司 | Situation type acousto-optic effect generating method and device |
-
2012
- 2012-05-17 CN CN 201220222602 patent/CN202663606U/en not_active Expired - Fee Related
- 2012-08-10 SG SG2012059580A patent/SG195426A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104599671A (en) * | 2013-10-30 | 2015-05-06 | 纬创资通股份有限公司 | Situation type acousto-optic effect generating method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| SG195426A1 (en) | 2013-12-30 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20150517 |
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| EXPY | Termination of patent right or utility model |