CN204836530U - Sound equipment - Google Patents
Sound equipment Download PDFInfo
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- CN204836530U CN204836530U CN201520546275.5U CN201520546275U CN204836530U CN 204836530 U CN204836530 U CN 204836530U CN 201520546275 U CN201520546275 U CN 201520546275U CN 204836530 U CN204836530 U CN 204836530U
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Abstract
The utility model relates to a sound equipment, include: input device for be connected in order to receive with sound source equipment the audio signal of sound source equipment output, the audio decoder device is used for receiving audio signal is right audio signal decode handles, central processing unit is used for real -time detection whether audio signal exists vinyl ester resin's interfering signal, central processing unit still is used for detecting generate when having vinyl ester resin's interfering signal among the audio signal and handle control signal, the trapper is used for receiving handle control signal and the control of handling control signal down will interfering signal among the audio signal gets rid of, frequency selective amplifier, be used for receiving via audio signal after the trapper is handled enlargies the audio signal who predetermines the frequency channel and handles the back and export, and pronunciation device, be used for receiving the audio signal of frequency selective amplifier output will audio signal exports after converting sound into. Above -mentioned sound equipment has than high fidelity.
Description
Technical field
The utility model relates to playback equipment technical field, particularly relates to a kind of sound equipment.
Background technology
Along with the raising of people's quality of the life, the requirement of people to the fidelity of the sound that sound equipment plays back is also more and more higher.In traditional stereo set, can lose partial sound information unavoidably in acoustic processing process, and the effect of simulation and true environment exist a certain distance, thus the sound played back is sounded compare " falseness ", fidelity is lower.
Utility model content
Based on this, be necessary to provide one to have Hi-Fi sound equipment.
A kind of sound equipment, comprising: input unit, for being connected to receive the audio signal that described audiogenic device exports with audiogenic device; Audio decoding apparatus, is connected with described input unit, for receiving described audio signal and carrying out decoding process to described audio signal; Central processing unit, is connected with described audio decoding apparatus, whether there is the interference signal of predeterminated frequency for detecting described audio signal in real time; Described central processing unit is also for the generating process control signal when the interference signal that there is predeterminated frequency in described audio signal being detected; Trapper, is connected with described central processing unit, for receiving described processing control signals and the interference signal in described audio signal being removed under the control of described processing control signals; Frequency selective amplifier, is connected with described trapper, for receiving the audio signal after via described trapper process and carrying out the rear output of amplification process to the audio signal of default frequency range; And pronunciation device, be connected with described frequency selective amplifier, for receiving the audio signal of described frequency selective amplifier output and exporting after described audio signal is converted to sound.
Wherein in an embodiment, described input unit comprises at least one in radio input device and external source of sound interface.
Wherein in an embodiment, described pronunciation device comprises Full-frequency trumpet.
Wherein in an embodiment, also comprise EQ equalizer; Described EQ equalizer is connected with described audio decoding apparatus, described central processing unit and described trapper respectively; Described central processing unit is used for according to presetting audio schema creation audio effect processing signal to described EQ equalizer; Described EQ equalizer is used for carrying out default audio effect processing to described audio signal under the control of described audio effect processing signal.
Wherein in an embodiment, described EQ equalizer comprises multichannel balanced unit, obtains different tone colors for carrying out different equilibrium treatment to described audio signal.
Wherein in an embodiment, also comprise audio mode selector, be connected with described EQ equalizer, for carrying out audio model selection for user.
Wherein in an embodiment, also comprise bluetooth communication; Described bluetooth communication is for realizing the wireless connections between described sound equipment and described audiogenic device; Described audio decoding apparatus, described EQ equalizer are all integrated in described bluetooth communication.
Wherein in an embodiment, described audio decoding apparatus is the audio decoding apparatus adopting APT-X decoding and DTS decoding process to carry out audio-frequency information decoding.
Wherein in an embodiment, described trapper comprises variable capacitance diode; Described trapper adjusts the electric capacity of described variable capacitance diode thus realizes the removal of the interference signal to predeterminated frequency under the control of described processing control signals.
Wherein in an embodiment, also comprise power amplifier; Described power amplifier is connected between described frequency selective amplifier and described pronunciation device, for carrying out power amplification process to described audio signal.
Above-mentioned sound equipment can detect in real time the interference signal of the predeterminated frequency in audio signal and pass through the adjustment of the capacitance of the variable capacitance diode in trapper the interference signal of this predeterminated frequency to be removed, and carry out amplifying process to repair the defect in transmitting procedure in conjunction with the default frequency range of frequency selective amplifier to audio signal, thus the audio signal in transmission is made to have higher fidelity.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the sound equipment in an embodiment;
Fig. 2 is the structured flowchart of the sound equipment in another embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Sound equipment in one embodiment, it exports after audio signal that audiogenic device inputs can being converted to voice signal.Fig. 1 is the structured flowchart of the sound equipment 100 in an embodiment.As figure, this sound equipment 100 comprises input unit 110, audio decoding apparatus 120, central processing unit 130, trapper 140, frequency selective amplifier 150 and pronunciation device 160.
Input unit 110 for being connected with the audiogenic device of outside, to receive the audio signal that audiogenic device transmits.Audiogenic device comprises mobile phone, flat board, MP3, MP4, ipod and computer etc. can the equipment of output audio signal.Audiogenic device can be Cloud Server, and namely input unit 110 is connected with Cloud Server, directly reads the audio signal of storage from Cloud Server.Input unit 110 can be connected with audiogenic device by wired or wireless mode.Particularly, input unit 110 can for the wireless communication module be made up of the equipment such as bluetooth communication and Built-in antenna apparatus, and it also can be external source of sound interface (AUX, USB etc.).In the present embodiment, input unit 110 had both comprised the wireless communication module be made up of bluetooth communication, built-in aerial etc., also comprised external AUX interface.
Audio decoding apparatus 120 is connected with input unit 110, and the audio-frequency information for inputting input unit 110 carries out decoding process.In the present embodiment, audio decoding apparatus 120 adopts APT-X and DTS decoding process to carry out decoding process to audio signal.Utilize the advantage that APT-X decodes, the quality of audio frequency can be improved, reduce hardware complexity, only need individual equipment can realize the two-channel stereo of 22.5KHz.Use high-fidelity to encode and repair DTS decoding process 2 times, external audio module and 3D surrounding effect can be provided for the audiogenic device be connected with input unit 110.
Central processing unit 130 is connected with audio decoding apparatus 120, detects in real time for the audio signal exported it, to detect in audio signal the interference signal whether having frequency to be predeterminated frequency.Central processing unit 130 is when the interference signal that there is predeterminated frequency being detected in audio signal, and meeting generating process control signal is to trapper 140.
Trapper 140 is connected with central processing unit 130, the interference signal of the predeterminated frequency in audio signal is removed under the control of processing control signals that exports at central processing unit 130.Particularly, trapper 140 is the resonant circuit comprising variable capacitance diode and inductance.Trapper 140, by adjusting the capacitance of variable capacitance diode thus realizing the removal of the interference signal to predeterminated frequency, reaches and truly removes noise in audio stream and sonic boom, improve fidelity.
Frequency selective amplifier 150 is connected with trapper 140, and the audio signal for exporting trapper 140 carries out exporting to pronunciation device 160 after process is amplified in frequency-selecting.Frequency selective amplifier 150 for carrying out amplification process to the default frequency range in audio signal, and realizes the reparation of the defect to transmitting procedure sound intermediate frequency signal, to improve the fidelity of audio signal in conjunction with trapper 140.In the present embodiment, frequency selective amplifier 150 adopts model to be the amplifier chip of NE5532.
Pronunciation device 160 is connected with the output of frequency selective amplifier 150, for receiving its audio signal exported and exporting after this audio signal is converted to sound.In the present embodiment, pronunciation device 160 comprises Full-frequency trumpet.
Above-mentioned sound equipment 100 can detect in real time the interference of the predeterminated frequency in audio signal and pass through the adjustment of the capacitance of the variable capacitance diode in trapper 140 the interference signal of this predeterminated frequency to be removed, and carry out amplifying process to repair the defect in transmitting procedure in conjunction with the default frequency range of frequency selective amplifier 150 to audio signal, thus the audio signal in transmission is made to have higher fidelity.
Fig. 2 is the structured flowchart of the sound equipment 200 in another embodiment.See Fig. 2, this sound equipment 200 comprises bluetooth communication 210, built-in aerial 220, audio mode selector 222, external AUX interface 224, central processing unit 230, trapper 240, frequency selective amplifier 250, power amplifier 260, Full-frequency trumpet 270 and power supply module 280.The part of by the agency of does not repeat herein in the aforementioned embodiment.
In the present embodiment, audio signal is undertaken processing or directly being inputted by external AUX interface 224 by bluetooth communication 210 after can being received by built-in aerial 220.Further, bluetooth communication 210 is integrated with audio decoding apparatus and EQ equalizer (Equalizer).In the present embodiment, sound equipment 200 can arrange the audio pattern of acquiescence, and therefore it can generate audio effect processing signal to EQ equalizer by central processing unit 230.EQ equalizer carries out default audio effect processing according to this audio effect processing signal to audio signal.EQ equalizer comprises multichannel balanced unit, for carrying out different process to audio signal as strengthened high frequency, strengthening low frequency or strengthen several component frequencies etc. simulating different tone colors, to reach the object of personal like.In the present embodiment, audio mode selector 222 can be used for user to select to obtain the audio of user's needs to audio pattern, meets the demand of user.Audio mode selector 222 adopts singly-bound circulation pattern.In the present embodiment, bluetooth communication 210 adopts RDA5851XS bluetooth module.
Power amplifier 260 exports to Full-frequency trumpet 270 (i.e. pronunciation device) after carrying out power amplification process to audio signal.Power supply module 280 is for providing electric energy for each module and device.
Above-mentioned sound equipment 200 verily can present the original appearance of sound source frequency or composition, and deformity and the phase shift of frequency also meet the requirements.Overtone in the sound that sound equipment 200 plays back is moderate, and harmonic wave is abundanter, sounds that tone color is comparatively dulect, better user experience.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. a sound equipment, is characterized in that, comprising:
Input unit, for being connected to receive the audio signal that described audiogenic device exports with audiogenic device;
Audio decoding apparatus, is connected with described input unit, for receiving described audio signal and carrying out decoding process to described audio signal;
Central processing unit, is connected with described audio decoding apparatus, whether there is the interference signal of predeterminated frequency for detecting described audio signal in real time; Described central processing unit is also for the generating process control signal when the interference signal that there is predeterminated frequency in described audio signal being detected;
Trapper, is connected with described central processing unit, for receiving described processing control signals and the interference signal in described audio signal being removed under the control of described processing control signals;
Frequency selective amplifier, is connected with described trapper, for receiving the audio signal after via described trapper process and carrying out the rear output of amplification process to the audio signal of default frequency range; And
Pronunciation device, is connected with described frequency selective amplifier, for receiving the audio signal of described frequency selective amplifier output and exporting after described audio signal is converted to sound.
2. sound equipment according to claim 1, is characterized in that, described input unit comprises at least one in radio input device and external source of sound interface.
3. sound equipment according to claim 1, is characterized in that, described pronunciation device comprises Full-frequency trumpet.
4. sound equipment according to claim 1, is characterized in that, also comprises EQ equalizer; Described EQ equalizer is connected with described audio decoding apparatus, described central processing unit and described trapper respectively; Described central processing unit is used for according to presetting audio schema creation audio effect processing signal to described EQ equalizer; Described EQ equalizer is used for carrying out default audio effect processing to described audio signal under the control of described audio effect processing signal.
5. sound equipment according to claim 4, is characterized in that, described EQ equalizer comprises multichannel balanced unit, obtains different tone colors for carrying out different equilibrium treatment to described audio signal.
6. sound equipment according to claim 4, is characterized in that, also comprises audio mode selector, is connected with described EQ equalizer, for carrying out audio model selection for user.
7. sound equipment according to claim 4, is characterized in that, also comprises bluetooth communication; Described bluetooth communication is for realizing the wireless connections between described sound equipment and described audiogenic device; Described audio decoding apparatus, described EQ equalizer are all integrated in described bluetooth communication.
8. sound equipment according to claim 1, is characterized in that, described audio decoding apparatus is the audio decoding apparatus adopting APT-X decoding and DTS decoding process to carry out audio-frequency information decoding.
9. sound equipment according to claim 1, is characterized in that, described trapper comprises variable capacitance diode; Described trapper adjusts the electric capacity of described variable capacitance diode thus realizes the removal of the interference signal to predeterminated frequency under the control of described processing control signals.
10. sound equipment according to claim 1, is characterized in that, also comprises power amplifier; Described power amplifier is connected between described frequency selective amplifier and described pronunciation device, for carrying out power amplification process to described audio signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520546275.5U CN204836530U (en) | 2015-07-24 | 2015-07-24 | Sound equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520546275.5U CN204836530U (en) | 2015-07-24 | 2015-07-24 | Sound equipment |
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| CN204836530U true CN204836530U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520546275.5U Active CN204836530U (en) | 2015-07-24 | 2015-07-24 | Sound equipment |
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| CN (1) | CN204836530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110557700A (en) * | 2019-10-11 | 2019-12-10 | 余焰 | Intelligent power amplifier device |
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2015
- 2015-07-24 CN CN201520546275.5U patent/CN204836530U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110557700A (en) * | 2019-10-11 | 2019-12-10 | 余焰 | Intelligent power amplifier device |
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