CN1458805A - Audio frequency effect device - Google Patents
Audio frequency effect device Download PDFInfo
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- CN1458805A CN1458805A CN 02119645 CN02119645A CN1458805A CN 1458805 A CN1458805 A CN 1458805A CN 02119645 CN02119645 CN 02119645 CN 02119645 A CN02119645 A CN 02119645A CN 1458805 A CN1458805 A CN 1458805A
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- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Abstract
This invention relates to a processing device for super-heavy low voices and super-high voices composed of an audio-video connection plug, super-low voice filter selection circuit, super-low voice amplifier circuit, super-high voice filter selection circuit, super-high voice amplifier circuit, an addition circuit, an amplifier circuit, an audio-video connection socket, a power supply socket and a shell. They are independent of various household small signal audio output devices or audio amplifying devices, and it can also lift the super-low and super-high audio to make up the insufflcent compensation of household small audio output devices to the high and low frequencies.
Description
Technical field
The present invention relates to a kind of apparatus for processing audio, relate in particular to a kind of processing unit mega bass and superelevation sound.Indication subwoofer of the present invention is the subwoofer frequency, claims mega bass again, is meant that frequency range is the audio frequency of 20Hz to the 120Hz frequency range; Indication superelevation sound is the superelevation voice frequency, is meant that frequency range is the audio frequency of 16kHz to the 20kHz frequency range.
Background technology
In the prior art, various family expenses small-signal audio output apparatus such as CD, VCD etc., its audio playback process is not all considered the loss of superelevation audio frequency and ultralow audio frequency in the audio recording process; Loss when not considering audio playback in the circuit transmission course is especially to the loss of superelevation audio frequency and ultralow audio frequency; Do not consider the different sensitiveness of human auditory, as to the unresponsive feature of subwoofer frequency range to different frequency in the whole tone frequency range.So what pursue is the smooth of academic attitude frequency response curve.But in the application of reality, it is found that high and low frequency is done suitable lifting compensation,, can make people's sense of hearing more comfortable particularly to the compensation of superelevation audio frequency and ultralow audio frequency.The method that people adopt all the time is that the high pitch that increases the adjustable range broad in audio frequency multiplying arrangement (as power amplifier) is regulated and the bass regulating circuit, or increases a multistage frequency equalizer, to reach the purpose that tone is regulated.Or use expensive signal connector material, to reach the loss that reduces in the circuit transmission course superelevation audio frequency and ultralow audio frequency.Goal of the invention
Audio improved device when the purpose of this invention is to provide a kind of audio playback, this device can be limited the quantity of and be promoted ultralow audio frequency and superelevation audio frequency, can make the people produce comfortable sense of hearing; Its lifting amplitude adjustable characteristics in the circuit safety scope can satisfy different consumption demands; Also have simple to operation, acoustical quality and improve tangible characteristics.Can replenish or substitute the audio frequency regulating action of high low pitch economize on electricity road or frequency equalizer.Can under the condition of not using expensive signal connector material, reach reasonable audio playback effect.
Summary of the invention
The invention provides a kind of being independent of outside various family expenses small-signal audio output apparatus or the audio frequency multiplying arrangement (as power amplifier), the device that ultralow audio frequency and superelevation audio frequency are limited the quantity of and promoted.It can remedy family expenses small-signal audio output apparatus to the high frequency in the audio section and the low frequency deficiency of superelevation audio frequency and ultralow audio compensation particularly, superelevation audio frequency in the audiorange and ultralow audio frequency limited the quantity of promotes compensation, thereby makes the people produce more comfortable sense of hearing.The present invention partly is made up of audio frequency and video attachment plug (or socket), subwoofer filtering frequency selection circuit, subwoofer amplifying circuit, superelevation sound filtering frequency selection circuit, superelevation sound amplifying circuit, add circuit, amplifying circuit, audio frequency and video attachment plug (or socket), supply socket, shell etc.Its method of attachment is:
An audio frequency and video attachment plug (or socket) is used for input audio signal, and its electrical connecting wires end is connected with the input of subwoofer filtering frequency selection circuit, superelevation sound filtering frequency selection circuit, add circuit by resistance or electric capacity respectively; Use for the output that patches audio output apparatus simultaneously.
A subwoofer filtering frequency selection circuit, its output is connected with the input of subwoofer amplifying circuit.
A subwoofer amplifying circuit, its output is connected with the input of add circuit.
A superelevation sound filtering frequency selection circuit, its output is connected with the input of superelevation sound amplifying circuit.
A superelevation sound amplifying circuit, its output is connected with the input of add circuit.
An add circuit, its input is connected with the output of subwoofer amplifying circuit, the output of superelevation sound amplifying circuit, the electrical connecting wires end of audio frequency and video attachment plug; Output is connected with the input of amplifying circuit.
An amplifying circuit, its output is connected with the electrical connecting wires end of audio frequency and video gang socket.
An audio frequency and video attachment plug (or socket) is used for output audio signal.
A supply socket, the DC power supply that it can external 18V～24V, also can in connect the 24V battery.
Circuit working process of the present invention is as follows:
The audio signal of importing into by audio frequency and video attachment plug, be divided into three the tunnel and deliver to subwoofer filtering frequency selection circuit respectively, superelevation sound filtering frequency selection circuit, the input of add circuit, through subwoofer filtering frequency selection circuit, the signal of exporting after the filtering of superelevation sound filtering frequency selection circuit, respectively through the subwoofer amplifying circuit, superelevation sound amplifying circuit amplifies, then, deliver to the input of add circuit with the audio signal of directly importing into from audio frequency and video attachment plug branch, send into amplifying circuit by add circuit after synthetic and carry out processing and amplifying, then from audio frequency and video gang socket output audio signal.
Circuit of the present invention and principle thereof also can be applicable in audio output apparatus or the audio frequency multiplying arrangement (as power amplifier).Characteristic effect
The invention provides a kind of new apparatus for processing audio, it can be independent of outside various family expenses small-signal audio output apparatus or the audio frequency multiplying arrangement (as power amplifier), and its action effect is similar to audio conditioning apparatus such as equalizer, tone controller.It is characterized in that: only the ultralow audio frequency in the audiorange and superelevation audio frequency being limited the quantity of promotes processing, reaches the purpose that allows the people produce comfortable especially sense of hearing; Can remedy family expenses small-signal audio output apparatus to the high frequency in the audio section and the low frequency deficiency of superelevation audio frequency and ultralow audio compensation particularly; Can replenish or substitute the audio frequency regulating action of high low pitch economize on electricity road or frequency equalizer; Can under the condition of not using expensive signal connector material, reach reasonable audio playback effect.When its circuit and principle thereof are applied directly in the output circuit of audio output apparatus (as VCD or DVD), when perhaps being applied in the input circuit of audio frequency multiplying arrangement (as power amplifier), can reach and external on all four effect.
Description of drawings
Accompanying drawing one is a kind of concrete enforcement circuit diagram of the present invention.
Embodiment
Below above-mentioned enforcement circuit is described specifically:
Shown in accompanying drawing one, C101, C102, R101, R102, U1-A form superelevation audio frequency filtering frequency selection circuit; R108, R109, C104, C105, U2-B form ultralow audio frequency filtering frequency selection circuit; R103, R104, R105, C103, VR101, U1-B form superelevation sound amplifying circuit; R110, R111, R112, C106, VR102, U2-B form the subwoofer amplifying circuit; R106, R114, R113, R115, U3-B form add circuit; R106, R114, R113, R115, R116, C107, U3-B form amplifying circuit; J101 is that audio frequency and video attachment plug is used in the audio signal input, and what use in this example is the attachment plugs of lotus flower type audio frequency and video; J102 is audio signal output audio frequency and video gang socket, and what use in this example is the gang sockets of lotus flower type audio frequency and video; J103 is a power input socket.When J101 was inserted the audio signal output end of family expenses small-signal audio output apparatus such as CD, VCD, audio signal can be distributed to superelevation audio frequency filtering frequency selection circuit, ultralow audio frequency filtering frequency selection circuit and add circuit by J101, R107, R108, C101, R114, C100; J102, R117, C110 can the audio signal after amplifying circuit amplifies transfer out; But the required power supply of J103 place in circuit operate as normal; VR101, VR102 can be used for regulating the amplification quantity of ultralow audio frequency and superelevation audio frequency.R105, R112 are used to control the amplification quantity of ultralow audio frequency and superelevation audio frequency, can be used for satisfying the requirement of audio signal output equipment (as VCD) about frequency response.C100, C110 are used for the audio signal coupling and cut off direct current.U3-B and peripheral circuit thereof are used to amplify audio signal, and can suitably control the amplitude of its output signal.
Claims (2)
- (1), audio frequency effect device, a kind of device that mega bass and superelevation sound are handled.Partly form by audio frequency and video attachment plug (or socket), subwoofer filtering frequency selection circuit, subwoofer amplifying circuit, superelevation sound filtering frequency selection circuit, superelevation sound amplifying circuit, add circuit, amplifying circuit, audio frequency and video attachment plug (or socket), supply socket, shell etc.Its annexation is:An audio frequency and video attachment plug (or socket) is used for input audio signal, and its electrical connecting wires end is connected with the input of subwoofer filtering frequency selection circuit, superelevation sound filtering frequency selection circuit, add circuit by resistance or electric capacity respectively; Use for the audio output port that patches audio output apparatus simultaneously.A subwoofer filtering frequency selection circuit, its output is connected with the input of subwoofer amplifying circuit.A subwoofer amplifying circuit, its output is connected with the input of add circuit.A superelevation sound filtering frequency selection circuit, its output is connected with the input of superelevation sound amplifying circuit.A superelevation sound amplifying circuit, its output is connected with the input of add circuit.An add circuit, its input is connected with the output of subwoofer amplifying circuit, the output of superelevation sound amplifying circuit, the electrical connecting wires end of audio frequency and video attachment plug; Output is connected with the input of amplifying circuit.An amplifying circuit, its output is connected with the electrical connecting wires end of audio frequency and video gang socket.An audio frequency and video gang socket (or plug) is used for output audio signal.A supply socket, the DC power supply that it can external 18V～24V, also can in connect the 24V battery.Its key character is: only the ultralow audio frequency in the audiorange and superelevation audio frequency being limited the quantity of promotes processing, can make the people produce comfortable sense of hearing; Can remedy family expenses small-signal audio output apparatus to the high frequency in the audio section and the low frequency deficiency of superelevation audio frequency and ultralow audio compensation particularly; Can replenish or substitute the audio frequency regulating action of high low pitch economize on electricity road or frequency equalizer; Can under the condition of not using expensive signal connector material, reach reasonable audio playback effect.
- (2), according to the described audio frequency effect device of claims (1), its key character is: its circuit and principle thereof can be applied directly in the output circuit of audio output apparatus (as VCD or DVD); Also may be used in the input circuit of audio frequency multiplying arrangement (as power amplifier), thereby avoid audio frequency effect device external, and reach the effect consistent with the external audio frequency effect device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02119645 CN1458805A (en) | 2002-05-15 | 2002-05-15 | Audio frequency effect device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02119645 CN1458805A (en) | 2002-05-15 | 2002-05-15 | Audio frequency effect device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1458805A true CN1458805A (en) | 2003-11-26 |
Family
ID=29426831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02119645 Pending CN1458805A (en) | 2002-05-15 | 2002-05-15 | Audio frequency effect device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1458805A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1867050B (en) * | 2005-05-16 | 2010-09-22 | 海尔集团公司 | TV set with extra bass high power acoustics |
| CN101997500A (en) * | 2009-08-26 | 2011-03-30 | 展讯通信（上海）有限公司 | Audio equalization treatment system and method thereof |
| CN101472209B (en) * | 2007-12-27 | 2012-10-10 | 鸿富锦精密工业（深圳）有限公司 | Apparatus for processing audio |
| US8488801B2 (en) | 2009-08-20 | 2013-07-16 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Audio compensation unit and compensating method and audio processing device thereof |
-
2002
- 2002-05-15 CN CN 02119645 patent/CN1458805A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1867050B (en) * | 2005-05-16 | 2010-09-22 | 海尔集团公司 | TV set with extra bass high power acoustics |
| CN101472209B (en) * | 2007-12-27 | 2012-10-10 | 鸿富锦精密工业（深圳）有限公司 | Apparatus for processing audio |
| US8488801B2 (en) | 2009-08-20 | 2013-07-16 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Audio compensation unit and compensating method and audio processing device thereof |
| CN101997500A (en) * | 2009-08-26 | 2011-03-30 | 展讯通信（上海）有限公司 | Audio equalization treatment system and method thereof |
| CN101997500B (en) * | 2009-08-26 | 2014-04-23 | 展讯通信（上海）有限公司 | Audio equalization treatment system and method thereof |
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