CN203968347U - A kind of sound system - Google Patents
A kind of sound system Download PDFInfo
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- CN203968347U CN203968347U CN201420195488.3U CN201420195488U CN203968347U CN 203968347 U CN203968347 U CN 203968347U CN 201420195488 U CN201420195488 U CN 201420195488U CN 203968347 U CN203968347 U CN 203968347U
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- sound system
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- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Abstract
The utility model provides a kind of sound system, comprises audio signal input unit and audio signal output unit, also comprises frequency divider, and it is connected with audio signal input unit, in order to input signal is converted to the signal with a plurality of frequency bands; Select module, it is connected indirectly with frequency divider, and according to frequency band, signal is selected; Low frequency filtering unit, it comprises a plurality of low pass filters, is connected, and low frequency signal is carried out to filtering processing with selecting module; A plurality of low-frequency gain modules, are connected and low frequency signal are gained with low frequency filtering unit; The module of postemphasising, is connected with low-frequency gain module, and low frequency signal is suitably weakened.Sound system of the present utility model can be strengthened and gain process low frequency signal, expansion low-frequency lower frequency limit, and carry out equilibrium adjustment.
Description
Technical field
The utility model relates to sound equipment field, particularly a kind of sound system.
Background technology
Common Portable sound is self-existent, be the built-in 1-4 of a small box body loudspeaker unit as microphone device, be single channel or stereo design.Owing to considering portable performance, volume is limited to some extent, inevitably limited maximum sound pressure output and low-frequency minimum frequency, can not meet the domestic acoustics demand of high request.Therefore, how sound system being carried out to the enhancing of low frequency system, to form good tonequality, is urgent problem.
Utility model content
Technical problem of the present utility model is to provide a kind of sound system, and this sound system can be strengthened and gain process low frequency signal, expansion low-frequency lower frequency limit, and carry out equilibrium adjustment.
In order to solve the problems of the technologies described above, the technical solution of the utility model is:
A sound system, comprises audio signal input unit and audio signal output unit, also comprises frequency divider, and it is connected with described audio signal input unit, in order to input signal is converted to the signal with a plurality of frequency bands; Select module, it is connected indirectly with described frequency divider, and according to frequency band, signal is selected; Low frequency filtering unit, it comprises a plurality of low pass filters, is connected, and low frequency signal is carried out to filtering processing with described selection module; A plurality of low-frequency gain modules, are connected and low frequency signal are gained with described low frequency filtering unit; The module of postemphasising, is connected with described low-frequency gain module, and low frequency signal is suitably weakened.
As further technical scheme, also comprise analog to digital converter, its one end is connected with described frequency divider, and one end and described selection module are in order to convert analog signal to digital signal.
As further technical scheme, also comprise sound equipment ID quantity identification module, it is connected with described selected cell, in order to send ID and the quantity of sound equipment, arrives described selected cell.
As further technical scheme, also comprise high frequency filter, be connected with described selection module, in order to high-frequency signal is carried out to filtering.
As further technical scheme, also comprise band pass filter, be connected with described selection module, in order to passband signal is carried out to filtering.
As further technical scheme, also comprise power amplifier, its with described in the module of postemphasising be connected, low frequency signal is carried out to power amplification.
As further technical scheme, it is connected with described power amplifier.
As further technical scheme, described audio signal input unit comprises audio frequency receiver module and input selection module, and described input selection module is connected with described audio signal receiver module, in order to select to the received signal.
As further technical scheme, described selection module comprises switch control module and the tuner being connected with described switch control module.
Technique effect of the present utility model is: sound system of the present utility model can be strengthened and gain process low frequency signal, expansion low-frequency lower frequency limit, and carry out equilibrium adjustment.
Accompanying drawing explanation
Fig. 1 is the module frame chart of a kind of sound system of the utility model.
Embodiment
For convenience of those skilled in the art, understand technology contents of the present utility model, below in conjunction with drawings and Examples, the utility model is described in further detail.
A sound system, comprises audio signal input unit 1 and audio signal output unit 13, also comprises frequency divider 2, and it is connected with described audio signal input unit 1, in order to input signal is converted to the signal with a plurality of frequency bands; Select module 4, it is connected indirectly with described frequency divider 2, and according to frequency band, signal is selected; Low frequency filtering unit 5, it comprises a plurality of low pass filters, is connected, and low frequency signal is carried out to filtering processing with described selection module; A plurality of low-frequency gain modules 6, are connected and low frequency signal are gained with described low frequency filtering unit 5; The module 7 of postemphasising, is connected with described low-frequency gain module 6, and low frequency signal is suitably weakened.
Continue referring to Fig. 1, this sound system also comprises analog to digital converter 3, and its one end is connected with described frequency divider 2, and one end and described selection module 4 are in order to convert analog signal to digital signal.
In the course of the work, the audio signal of sound system is by obtaining in bluetooth and wireless communication module, this sound system also comprises sound equipment ID quantity identification module 12, it is connected with described selected cell 4, in order to send ID and the quantity of sound equipment, arrive described selected cell, it can identify quantity, the model of connected sound equipment, and adjusts the gain of bass and adopt different low pass filters, balanced setting according to these information.
In this sound system, also comprise high frequency filter 8, be connected with described selection module 4, in order to high-frequency signal is carried out to filtering, also comprise band pass filter 9, be connected with described selection module 4, in order to passband signal is carried out to filtering, also comprise power amplifier 10, its with described in the module 7 of postemphasising be connected, low frequency signal is carried out to power amplification, also comprise loudspeaker 11, it is connected with described power amplifier 10, certainly, also can adopt other the equipment of raising one's voice.
Continue referring to Fig. 1, described audio signal input unit 1 comprises audio frequency receiver module 101 and input selection module 102, described input selection module 102 is connected with described audio signal receiver module 101, in order to select to the received signal, conventionally the audio signal of input has Bluetooth signal, radiolink signal etc., need to select the signal of these inputs.
In addition, described selection module 4 comprises switch control module and the tuner being connected with described switch control module.Sound system of the present utility model can be strengthened and gain process low frequency signal, expansion low-frequency lower frequency limit, and carry out equilibrium adjustment.
Sound system of the present utility model can be strengthened and gain process low frequency signal, expansion low-frequency lower frequency limit, and carry out equilibrium adjustment.
Above-described embodiment is only wherein specific implementation of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.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 apparent replacement forms all belong to protection range of the present utility model.
Claims (9)
1. a sound system, comprises audio signal input unit (1) and audio signal output unit (13), characterized by further comprising,
Frequency divider (2), it is connected with described audio signal input unit (1), in order to input signal is converted to the signal with a plurality of frequency bands;
Select module (4), it is connected indirectly with described frequency divider (2), and according to frequency band, signal is selected;
Low frequency filtering unit (5), it comprises a plurality of low pass filters, is connected, and low frequency signal is carried out to filtering processing with described selection module;
A plurality of low-frequency gain modules (6), are connected and low frequency signal are gained with described low frequency filtering unit (5);
The module of postemphasising (7), is connected with described low-frequency gain module (6), and low frequency signal is suitably weakened.
2. a kind of sound system according to claim 1, is characterized in that, also comprises analog to digital converter (3), and its one end is connected with described frequency divider (2), and one end and described selection module (4) are in order to convert analog signal to digital signal.
3. a kind of sound system according to claim 1, is characterized in that, also comprises sound equipment ID quantity identification module (12), and it is connected with described selected cell (4), in order to send ID and the quantity of sound equipment, arrives described selected cell.
4. a kind of sound system according to claim 1, is characterized in that, also comprises high frequency filter (8), is connected, in order to high-frequency signal is carried out to filtering with described selection module (4).
5. a kind of sound system according to claim 1, is characterized in that, also comprises band pass filter (9), is connected, in order to passband signal is carried out to filtering with described selection module (4).
6. a kind of sound system according to claim 1, is characterized in that, also comprises power amplifier (10), its with described in the module (7) of postemphasising be connected, low frequency signal is carried out to power amplification.
7. a kind of sound system according to claim 6, is characterized in that, also comprises loudspeaker (11), and it is connected with described power amplifier (10).
8. a kind of sound system according to claim 1, it is characterized in that, described audio signal input unit (1) comprises audio frequency receiver module (101) and input selection module (102), described input selection module (102) is connected with described audio signal receiver module (101), in order to select to the received signal.
9. a kind of sound system according to claim 1, is characterized in that, described selection module (4) comprises switch control module and the tuner being connected with described switch control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420195488.3U CN203968347U (en) | 2014-04-22 | 2014-04-22 | A kind of sound system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420195488.3U CN203968347U (en) | 2014-04-22 | 2014-04-22 | A kind of sound system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203968347U true CN203968347U (en) | 2014-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420195488.3U Expired - Fee Related CN203968347U (en) | 2014-04-22 | 2014-04-22 | A kind of sound system |
Country Status (1)
| Country | Link |
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| CN (1) | CN203968347U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108024185A (en) * | 2016-11-02 | 2018-05-11 | 宏碁股份有限公司 | Electronic device and special frequency channel compensating gain method |
| CN115866487A (en) * | 2022-12-30 | 2023-03-28 | 广州市韵强电子有限公司 | Sound power amplification method and system based on balanced amplification |
-
2014
- 2014-04-22 CN CN201420195488.3U patent/CN203968347U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108024185A (en) * | 2016-11-02 | 2018-05-11 | 宏碁股份有限公司 | Electronic device and special frequency channel compensating gain method |
| CN108024185B (en) * | 2016-11-02 | 2020-02-14 | 宏碁股份有限公司 | Electronic device and specific frequency band compensation gain method |
| CN115866487A (en) * | 2022-12-30 | 2023-03-28 | 广州市韵强电子有限公司 | Sound power amplification method and system based on balanced amplification |
| CN115866487B (en) * | 2022-12-30 | 2023-08-11 | 广州市韵强电子有限公司 | Sound power amplification method and system based on balanced amplification |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 516223 Difeni Industrial Zone, Xinlian Village, Xinwei Town, Huiyang District, Huizhou City, Guangdong Province Patentee after: Huizhou Difenni Acoustics Technology Co., Ltd. Address before: 516223 Difeni Industrial Zone, Xinlian Village, Xinwei Town, Huiyang District, Huizhou City, Guangdong Province Patentee before: Huizhou Ultrasonic Audio Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20210422 |
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| CF01 | Termination of patent right due to non-payment of annual fee |