CN205946133U - Low -power consumption pronunciation reinforcing means based on ARM - Google Patents
Low -power consumption pronunciation reinforcing means based on ARM Download PDFInfo
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- CN205946133U CN205946133U CN201620821018.2U CN201620821018U CN205946133U CN 205946133 U CN205946133 U CN 205946133U CN 201620821018 U CN201620821018 U CN 201620821018U CN 205946133 U CN205946133 U CN 205946133U
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Abstract
Low -power consumption pronunciation reinforcing means based on ARM. The development of electronic technology has promoted multimedia devices's prosperity, simultaneously along with the extensive demand of people to portable equipment and mobile terminal for the low -power consumption becomes for one of the biggest technological problem. The utility model discloses a constitution includes: signal acquisition module (1), the signal acquisition module includes amplifier A (5), amplifier A and wave filter A (6) electric connection, wave filter A and 12 adc (7) electric connections, 12 position adc and DMA passageway A (8) electric connection, DMA passageway A and flush bonding processor (9) electric connection, flush bonding processor and DMA passageway B (10) electric connection, DMA passageway B and 10 digital analog converter (11) electric connections, 10 the position digital analog converter and amplifier B (12) electric connection, amplifier B and wave filter B (13) electric connection. The utility model is used for low -power consumption pronunciation reinforcing means based on ARM.
Description
Technical field：
This utility model is related to a kind of low-power consumption speech sound enhancement device based on ARM.
Background technology：
The development of electronic technology promotes the prosperity of multimedia equipment in recent years, simultaneously with people to portable equipment and can
The widespread demand of mobile terminal is so that low-power consumption becomes one of maximum technical barrier of this class of electronic devices.
Utility model content：
The purpose of this utility model is to provide a kind of low-power consumption speech sound enhancement device based on ARM.
Above-mentioned purpose is realized by following technical scheme：
A kind of low-power consumption speech sound enhancement device based on ARM, its composition includes：Signal acquisition module, signal processing module,
Signal output module and power module, described signal acquisition module includes amplifier A, wave filter A, described signal output mould
Block includes amplifier B, wave filter B, and described signal processing module includes flush bonding processor, 12 analog-digital converters, DMA lead to
Road A, DMA channel B, 10 digit weighted-voltage D/A converters, intervalometer, described amplifier A and described wave filter A electrically connects, described
Wave filter A is electrically connected with described 12 analog-digital converters, described 12 analog-digital converters and described DMA channel A Electricity Federation
Connect, described DMA channel A is electrically connected with described flush bonding processor, described flush bonding processor and described DMA channel
B electrically connects, and described DMA channel B is electrically connected with 10 described digit weighted-voltage D/A converters, described 10 digit weighted-voltage D/A converters with described
Amplifier B electrically connect, described amplifier B and described wave filter B electrically connects, described flush bonding processor, described
12 analog-digital converters, 10 described digit weighted-voltage D/A converters are electrically connected with described intervalometer, described power module with described
Signal acquisition module, described signal processing module, described signal output module electrically connect.
The beneficial effects of the utility model：
This utility model power module adopts Switching Power Supply and the coefficient framework of LDO, first will be inputted with Switching Power Supply
Voltage conversion, to being suitable in LDO input voltage range, can effectively reduce the power consumption on LDO, then recycles LDO module to turn
Shift to the burning voltage needed for system it is ensured that system is not subject to the interference switching power source chip of power supply ripple to select LM2576 switch electricity
Source, has the advantages that input voltage range width, high conversion efficiency and load capacity are strong, and LDO chip adopts TPS79133 chip,
Have output voltage stabilization, ripple little the features such as.
This utility model adopts the flush bonding processor LPC1756 of highly integrated and low-power consumption, possesses that processing speed is fast, work(
Can abundant, small volume and the high feature of cost performance, in order to save the time of CPU processing data, all adopt in collection terminal and outfan
Use DMA transfer pattern；In order to improve the signal to noise ratio of voice signal, it is respectively provided with amplifier and filter in the collection terminal of signal and outfan
Ripple device, using MC34119 integrated transporting discharging, low pass filter adopts MAX7427 integrated chip；This device is adopted by Timer Controlling
Sample rate, each certain time carries out single reading to A/D transformation result, and the data of reading is transmitted to pretreatment by DMA channel
In address, improve the treatment effeciency of CPU, greatly reduce system power dissipation and cost.
Brief description：
Accompanying drawing 1 is structural representation of the present utility model.
Specific embodiment：
Embodiment 1：
A kind of low-power consumption speech sound enhancement device based on ARM, its composition includes：Signal acquisition module 1, signal processing module
2nd, signal output module 3 and power module 4, described signal acquisition module includes amplifier A5, wave filter A6, described signal
Output module includes amplifier B12, wave filter B13, and described signal processing module includes 9,12 moduluses of flush bonding processor
Transducer 7, DMA channel A8, DMA channel B10,10 digit weighted-voltage D/A converters 11, intervalometer 14, described amplifier A with described
Wave filter A electrically connects, and described wave filter A is electrically connected with described 12 analog-digital converters, described 12 analog-digital converters
Electrically connect with described DMA channel A, described DMA channel A is electrically connected with described flush bonding processor, and described is embedded
Processor is electrically connected with described DMA channel B, and described DMA channel B is electrically connected with 10 described digit weighted-voltage D/A converters, described
10 digit weighted-voltage D/A converters electrically connect with described amplifier B, described amplifier B and described wave filter B electrically connects, described
Flush bonding processor, described 12 analog-digital converters, 10 described digit weighted-voltage D/A converters electrically connect with described intervalometer,
Described power module and described signal acquisition module, described signal processing module, described signal output module Electricity Federation
Connect.
Claims (1)
1. a kind of low-power consumption speech sound enhancement device based on ARM, its composition includes：Signal acquisition module, signal processing module, letter
Number output module and power module, is characterized in that：Described signal acquisition module includes amplifier A, wave filter A, described letter
Number output module includes amplifier B, wave filter B, and described signal processing module includes flush bonding processor, 12 analog digital conversion
Device, DMA channel A, DMA channel B, 10 digit weighted-voltage D/A converters, intervalometer, described amplifier A and described wave filter A Electricity Federation
Connect, described wave filter A is electrically connected with described 12 analog-digital converters, described 12 analog-digital converters and described DMA
Passage A electrically connects, and described DMA channel A is electrically connected with described flush bonding processor, described flush bonding processor with described
DMA channel B electrically connect, described DMA channel B is electrically connected with 10 described digit weighted-voltage D/A converters, and 10 described digit moulds turn
Parallel operation is electrically connected with described amplifier B, and described amplifier B and described wave filter B electrically connects, described embedded processing
Device, described 12 analog-digital converters, 10 described digit weighted-voltage D/A converters are electrically connected with described intervalometer, described power supply mould
Block is electrically connected with described signal acquisition module, described signal processing module, described signal output module；Described is embedded
Formula processor adopts LPC1756, and described wave filter adopts MAX7427 integrated chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620821018.2U CN205946133U (en) | 2016-08-01 | 2016-08-01 | Low -power consumption pronunciation reinforcing means based on ARM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620821018.2U CN205946133U (en) | 2016-08-01 | 2016-08-01 | Low -power consumption pronunciation reinforcing means based on ARM |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205946133U true CN205946133U (en) | 2017-02-08 |
Family
ID=57924153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620821018.2U Expired - Fee Related CN205946133U (en) | 2016-08-01 | 2016-08-01 | Low -power consumption pronunciation reinforcing means based on ARM |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205946133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115802236A (en) * | 2023-01-04 | 2023-03-14 | 成都市安比科技有限公司 | Method for shortening delay of earphone with auxiliary hearing |
-
2016
- 2016-08-01 CN CN201620821018.2U patent/CN205946133U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115802236A (en) * | 2023-01-04 | 2023-03-14 | 成都市安比科技有限公司 | Method for shortening delay of earphone with auxiliary hearing |
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Legal Events
| 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: 20170208 Termination date: 20170801 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |