CN206807568U - A kind of voice-optimizing system - Google Patents
A kind of voice-optimizing system Download PDFInfo
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- CN206807568U CN206807568U CN201720211253.2U CN201720211253U CN206807568U CN 206807568 U CN206807568 U CN 206807568U CN 201720211253 U CN201720211253 U CN 201720211253U CN 206807568 U CN206807568 U CN 206807568U
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- voice
- master controller
- optimizing system
- audio
- amplifier
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Abstract
The utility model provides a kind of voice-optimizing system, including audio optimization unit, the audio optimization unit include：Master controller；Low voltage difference line voltage-stablizer, is connected with the master controller；Amplifier, it is connected with the master controller；First wave filter, it is connected with the amplifier；Audio sensor, it is connected with first wave filter；Comparator, it is connected with the amplifier and the master controller；Signal ultramagnifier, it is connected with the master controller and the audio sensor.The utility model provides a kind of voice-optimizing system, purpose in optimization based on the function of voice communication in POC technologies, aim to solve the problem that the problems such as voice quality is bad during user's communication, meet voice call requirement, so that multiple users of different places carry out one-to-many instant messaging, be advantageous to the popularization and application of POC technologies.
Description
Technical field
It the utility model is related to voice communication technology field, more particularly to a kind of voice-optimizing system.
Background technology
POC is Push to Talk over Cellular abbreviation, refers to carry based on mobile cellular network packet domain,
The half-duplex voice business realized using voip technology, and " always on " can be realized by means of IP technologies, POC business,
Internet resources are only occupied when user speaks, therefore can more efficiently use mobile radio communication than circuit switched speech service
Network resource.
POC session group can be divided into default group, interim group and chat group, and they can both pass through operator
Or enterprise administrator establish management can also by the spontaneous definition of user, this flexible mode disclosure satisfy that group user and
The various demands of people user.User can pre-define talk group, when user initiates session to group, conversation request message
All group members can be sent to, group member decides whether to add this cluster conversation according to the message；In cluster conversation
The user of middle speech, its speech can be fed to the group member of all addition sessions.POC user can know its residing group
With the information about firms in current sessions.
POC belongs to half-duplex voice business, and the concept of half-duplex voice business originates from trunking communicating technology, initially use
On intercom, user can initiate the right to speak in half-duplex voice session, or application session by special button.
Utility model content
Feature and advantage of the present utility model partly state in the following description, or can be aobvious and easy from the description
See, or can be learnt by putting into practice the utility model.
To overcome problem of the prior art, the utility model provides a kind of voice-optimizing system, it is characterised in that including sound
Frequency optimization unit, the audio optimization unit include：
Master controller；
Low voltage difference line voltage-stablizer, is connected with the master controller；
Amplifier, it is connected with the master controller；
First wave filter, it is connected with the amplifier；
Audio sensor, it is connected with first wave filter；
Comparator, it is connected with the amplifier and the master controller；
Signal ultramagnifier, it is connected with the master controller and the audio sensor.
Alternatively, the electric current in the type selecting parameter of the low voltage difference line voltage-stablizer is more than 500mA.
Alternatively, the PSRR of the low voltage difference line voltage-stablizer is less than 65db.
Alternatively, for the low voltage difference line voltage-stablizer under maximum current, its Voltage Drop is less than 0.3V.
Alternatively, in addition to charging unit, it is connected with the low voltage difference line voltage-stablizer in the audio optimization unit.
Alternatively, in addition to communication unit, it is connected with the master controller in the audio optimization unit.
Alternatively, the audio optimization unit also includes the second wave filter, and one end is connected with the master controller, the other end
For being connected with the communication unit.
Alternatively, second wave filter is two-stage filter, for filtering out other interference outside audio signal.
Alternatively, the register parameters that the communication unit passes through master controller described in I2C bus marcos.
Alternatively, first wave filter is used for the Radio frequency interference for filtering out GSM900 and 1800 frequency ranges.
The utility model provides a kind of voice-optimizing system, it is therefore intended that optimization is based on the voice communication in POC technologies
Function, it is intended to solve the problems such as voice quality during user's communication is bad, meet voice call requirement so that different places
Multiple users carry out one-to-many instant messaging, be advantageous to the popularization and application of POC technologies.
By reading specification, the feature of these technical schemes and interior will be best understood in those of ordinary skill in the art
Hold.
Brief description of the drawings
The utility model is specifically described below with reference to accompanying drawing and with reference to example, the advantages of the utility model and realization
Mode will be more obvious, and content is only used for explanation of the present utility model wherein shown in accompanying drawing, without forming to this reality
With it is new in all senses on limitation, in the accompanying drawings：
Fig. 1 is the structural representation of the audio optimization unit of the utility model embodiment.
Fig. 2 is the structural representation of the voice-optimizing system of the utility model embodiment.
Embodiment
As shown in Figure 1 and Figure 2, the utility model provides a kind of voice-optimizing system, including audio optimization unit 130, the sound
Frequency optimization unit 130 includes：Master controller 10；Low voltage difference line voltage-stablizer (low dropout regulator, LDO) 20, with master
Controller 10 is connected；Amplifier 30, it is connected with master controller 10；First wave filter 40, is connected with amplifier 30；Audio sensor
50, it is connected with the first wave filter 40；Comparator 60, it is connected with amplifier 30 and master controller 10；Signal ultramagnifier 70, with master control
Device 10 and audio sensor 50 processed are connected.
Wherein, the electric current in the type selecting parameter of low pressure difference linear voltage regulator 20 is more than 500mA, to meet the audio unit
Current drain under maximum consumption.Equally, the output voltage of the low pressure difference linear voltage regulator 20 will meet main control module
Voltage request, and meet dynamic range；Notice that power consumption (Power Dissipation) needs to meet chip requirement simultaneously.
The PSRR (PSRR) of low pressure difference linear voltage regulator 20 is less than 65db, in this way, power supply noise can be reduced effectively
Interference to audio signal, avoid the occurrence of the similar current noise for growing taste sound.
In addition, pressure difference (Dropout) follow current change fluctuation of low pressure difference linear voltage regulator 20 is small, the present embodiment
In, under maximum current, Voltage Drop is less than 0.3V, avoids causing chip operation abnormal state, so as to be reflected in sound output
Obvious size variation.
Exported by the voice signal that master controller 10 is handled by path 33,36,37,41, now the signal in path
Pay attention to cabling of checking the mark, and good protection for analog signal, during EDA.Amplifier 30 is wherein reached by path 33, passes through selection
Different supply voltages, A classes or D class power amplifiers can be switched herein, according to the user's request of reality, can adjusted, so as to have not
Same sound output effect.By path 36, audio signal reaches the first wave filter 40, and this first wave filter mainly filters out
GSM900 and 1800 frequency ranges Radio frequency interference, so as not to cause TDD noise (Time Division Distortion noise,
Audio-frequency current sound), so as to influence Consumer's Experience；Audio sensor 50 is output signals to by path 37, now notices that audio is defeated
Going out circuit needs device to meet power requirement in itself, avoid long term device be operated in power it is exceeded in the state of, influence the device longevity
Life, while need external structure to coordinate, to reach more excellent effect.
Voice signal reaches comparator 60 by path 34,35, is fed back by inside, so as to automatically control amplifier
The output state at end, carry out itself optimizing regulation.
Audio sensor detects the state change of front end by path 38, and master control is fed back signal to by signal ultramagnifier 70
Device 10 processed, master controller 10 are adjusted by itself, adjustment output, repeat the process of path 33,36,37,41.
In the specific implementation, the voice-optimizing system also includes charging unit 110, communication unit 120, SIM units
130th, control and memory cell 140.
Wherein, charging unit 110 is connected with the low voltage difference line voltage-stablizer 20 in audio optimization unit 130；Work as charging
When the low battery of power supply unit 110, external charger can be filled by path 11 to charging unit 110
Electricity.During normal work, charging unit 10 is powered for whole system, including：Powered by path 12 to communication unit, instantaneously
Electric current need to be more than 2A, meet the current requirements of GSM maximum transmission power；By being powered by 13 to control and memory cell, lead to
Cross path 14 to power to audio optimization unit 130, more specifically, master controller 10 receives the confession by optimization by path 32
Electricity, powered herein from the LDO of low noise, it is necessary to pay attention to influence of the power supply noise to audio optimization unit；Also include by logical
Road 13 powers to control and memory cell 140.
Communication unit 120 is connected with the master controller 10 in audio optimization unit 130；In the present embodiment, audio optimization list
Member 130 also includes the second wave filter 80, and its one end is connected with by the master controller of path 31, and the other end is by path 23 with communicating
Unit 120 is connected.The major control of communication unit 120 adjusts audio optimization unit, transmits data by path 23, communication unit is defeated
Go out the data signal of PCM format, while the master controller 10 of audio unit is adjusted by path 24, wherein data path second is filtered
Ripple device 80, optimize voice signal, while pass through 22 control SIM card units 130.In addition, signal ultramagnifier 70 can be via master control
Signal is fed back to communication unit 120, realizes winding control by device 10 processed by path path 39.
Master controller 10 receives the audio digital signals exported from communication unit by path 23,31, and the second wave filter is
Dual stage filter, voice signal filter out other interference outside audio signal, guarantee is entered by path 31 by dual stage filter
The signal of the front end of master controller 10 is interference-free；The register that communication unit 120 passes through I2C bus marcos master controller 10 simultaneously
The information such as parameter, adjustment volume, signal synchronization.It is colelctor electrode output signal to pay attention to I2C signals, and outside pull-up is needed in use.
It can be seen that in the present embodiment, audio sensor 50 detects the state change of front end, passes through feedback letter by path 38
Audio optimization unit number is given, audio optimization unit passes through itself regulation, adjustment output, repeats 33,36,37,41 processes；Other portion
Divide and pass through path 39, feed back to communication unit 120, realize winding control, repeat 23,24,31,33,36,37,41 processes, so as to
Realize optimization audio frequency effect.
Voice-optimizing system provided by the utility model, technical costs is controllable, and cost performance is higher, and stability is strong；Optimize
Based on the function of voice communication in POC technologies, solve the problems such as voice quality during user's communication is bad, meet that voice leads to
Words require.
Above by reference to preferred embodiment of the present utility model has been illustrated, it is new that those skilled in the art do not depart from this practicality
The scope and spirit of type, there can be a variety of flexible programs to realize the utility model.For example, the part as one embodiment
The feature for showing or describing can be used for another embodiment to obtain another embodiment.It these are only that the utility model is preferably feasible
Embodiment, not thereby limit to interest field of the present utility model, it is all to use the utility model specification and accompanying drawing content
The equivalence changes made, it is both contained within interest field of the present utility model.
Claims (10)
1. a kind of voice-optimizing system, it is characterised in that including audio optimization unit, the audio optimization unit includes：
Master controller；
Low voltage difference line voltage-stablizer, is connected with the master controller；
Amplifier, it is connected with the master controller；
First wave filter, it is connected with the amplifier；
Audio sensor, it is connected with first wave filter；
Comparator, it is connected with the amplifier and the master controller；
Signal ultramagnifier, it is connected with the master controller and the audio sensor.
2. voice-optimizing system according to claim 1, it is characterised in that in the type selecting parameter of the low voltage difference line voltage-stablizer
Electric current be more than 500mA.
3. voice-optimizing system according to claim 1, it is characterised in that the PSRR of the low voltage difference line voltage-stablizer
Less than 65db.
4. voice-optimizing system according to claim 1, it is characterised in that the low voltage difference line voltage-stablizer is in maximum current
Under, its Voltage Drop is less than 0.3V.
5. voice-optimizing system according to claim 1, it is characterised in that also including charging unit, with the audio
Low voltage difference line voltage-stablizer in optimization unit is connected.
6. voice-optimizing system according to claim 1, it is characterised in that also including communication unit, with the audio optimization
Master controller in unit is connected.
7. voice-optimizing system according to claim 6, it is characterised in that the audio optimization unit also includes the second filtering
Device, one end are connected with the master controller, and the other end is used to be connected with the communication unit.
8. voice-optimizing system according to claim 7, it is characterised in that second wave filter is two-stage filter.
9. voice-optimizing system according to claim 6, it is characterised in that the communication unit passes through I2C bus marcos institute
State the register parameters of master controller.
10. voice-optimizing system according to claim 1, it is characterised in that first wave filter is used to filter out GSM900
With the Radio frequency interference of 1800 frequency ranges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720211253.2U CN206807568U (en) | 2017-03-06 | 2017-03-06 | A kind of voice-optimizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720211253.2U CN206807568U (en) | 2017-03-06 | 2017-03-06 | A kind of voice-optimizing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206807568U true CN206807568U (en) | 2017-12-26 |
Family
ID=60729621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720211253.2U Active CN206807568U (en) | 2017-03-06 | 2017-03-06 | A kind of voice-optimizing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206807568U (en) |
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2017
- 2017-03-06 CN CN201720211253.2U patent/CN206807568U/en active Active
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 9th Floor, Block A, Dazu Innovation Building, 9018 Beihuan Avenue, North District, Nanshan High-tech Park, Shenzhen City, Guangdong Province Patentee after: Gaoxing Wulian Technology Co.,Ltd. Address before: 518000 9th Floor, Block A, Dazu Innovation Building, 9018 Beihuan Avenue, North District, Nanshan High-tech Park, Shenzhen City, Guangdong Province Patentee before: Shenzhen Zhongxing Wulian Technology Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518000 606, block a, sharing building, No. 78, Keyuan North Road, songpingshan community, Xili street, Nanshan District, Shenzhen, Guangdong Patentee after: Gosuncn IOT Technology Co.,Ltd. Address before: 518000 9th Floor, Block A, Dazu Innovation Building, 9018 Beihuan Avenue, North District, Nanshan High-tech Park, Shenzhen City, Guangdong Province Patentee before: Gaoxing Wulian Technology Co.,Ltd. |