CN105068458A - STM32-based speech acquisition coding storage device - Google Patents
STM32-based speech acquisition coding storage device Download PDFInfo
- Publication number
- CN105068458A CN105068458A CN201510444014.7A CN201510444014A CN105068458A CN 105068458 A CN105068458 A CN 105068458A CN 201510444014 A CN201510444014 A CN 201510444014A CN 105068458 A CN105068458 A CN 105068458A
- Authority
- CN
- China
- Prior art keywords
- module
- main control
- storage device
- voice collecting
- speech
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25314—Modular structure, modules
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
The invention relates to an STM32-based speech acquisition coding storage device. The device comprises a mic access interface, a main control module, a speech acquisition coding module, a storage module and a communication module, wherein the speech acquisition coding module, the storage module and the communication module are connected with the main control module. The main control module uses an STM32 series microcontroller. The speech acquisition coding module uses a VS1003B speech acquisition coding chip. The speech storage module carries out storage through an SDIO interface and a U disk interface. The communication module carries out communication through a wireless wifi module and an Ethernet port. According to the invention, the speech acquisition coding storage device is designed; characteristic parameters of a recording device are extracted; a speech database is built; speech evidence can be conveniently realized; untrue speech caused by speech tampering is prevented; and the reliability and the accuracy of speech evidence are improved.
Description
Technical field
The present invention relates to a kind of voice collecting code storage device based on STM32, belong to voice process technology field.
Background technology
Along with digital media technology use in daily life increases, the appearance popularizing rapidly a large amount of digital recorder such as present stage smart mobile phone, digital recording pen of especially digital recording technology, causes the case relevant with DAB to get more and more.Therefore, new multimedia analysis technology is needed to be that forensic analysis is offered help.In fact, audio forensics is a kind of very important evidence collecting method in judicial expertise.During using audio file as court evidence, this just requires that they must be reliable, trustworthy, that is audio file integrality, source, whether be tampered, information to be recorded etc. by which kind of sound pick-up outfit all needs to be accurately determined.Identify audio frequency by which kind of equipment is recorded, the reliability for detection audio file is very important.
Summary of the invention
Example of the present invention provides a kind of voice collecting code storage device based on STM32.Be intended to solve because existing sound pick-up outfit is various, cause forming many invalid data storehouses, and the specific aim of recording is poor, the problem that reference value is low.
In order to solve the problem, the technical solution adopted in the present invention is as follows:
Based on a voice collecting code storage device of STM32, comprising: mic access interface, main control module and the voice collecting coding module be attached thereto, voice storage module and communication module; Described mic access interface is connected with main control module; Described main control module is connected by serial ports with each module; Described main control module adopts STM32 Series of MCU; Described voice collecting coding module adopts VS1003B voice collecting coding chip; Described voice storage module comprises SDIO interface and USB flash disk interface; Described communication module comprises wireless wifi module and Ethernet interface.
Aforesaid main control module adopts STM32F103VET6.
Aforesaid main control module also comprises power supply stabilization circuit and 5V power supply adaptor; Described 5V power supply adaptor is used for 220V to exchange to be converted to 5V DC voltage, and described power supply stabilization circuit is used for the voltage of stable output, described 5V power supply adaptor access power supply stabilization circuit; Establish AMS1117-3.3V chip in described power supply stabilization circuit, RT9166-2.8V chip, RT9166-2.8V chip, said chip can be connected as required 5V DC voltage is converted to direct current 3.3V voltage, direct current 2.8V voltage, direct current 2.5V voltage.
Aforesaid main control module also comprises,
SP1289TFT touch display,
Serial communication level switch module MAX3232 is used for converting RS232 serial data to Transistor-Transistor Logic level,
128MFLASH module is used for the storage of voice signal data,
General purpose timer counter module is used for counting external pulse.
Aforesaid USB flash disk interface adopts CH376TU dish interface.
Aforesaid wireless wifi module employing take MT7681 as the wireless wifi module of core.
Aforesaid Ethernet interface employing take ENC28J60 as the Ethernet interface of core.
The present invention is relative to other voice collecting memory storage, it possesses the miaow head adapting to different model, data transmission can be carried out by communication, and can real-time storage voice messaging, anti-interference, multiband and degree of accuracy aspect with the obvious advantage, there is higher economy, reliability and practicality; The present invention has certain value for research sound pick-up outfit recognition technology, and in addition, because sound pick-up outfit characteristic parameter is not easily tampered, whether research sound pick-up outfit recognition technology is tampered for detection audio frequency has very important significance equally.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of voice collecting code storage device of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is described in detail:
The present invention is directed to of a great variety due to sound pick-up outfit of China, and the impact of the environment be subject in recording process and speaker characteristic, do not solve the problems such as the inaccuracy of recording from sound pick-up outfit quantification device microphone and recording circuit, a kind of voice collecting code storage device based on STM32 is provided, by extracting speech characteristic parameter, be beneficial to analysis internal characteristics wherein.
As shown in Figure 1, the voice collecting code storage device based on STM32 of the present invention comprises mic access interface, main control module and the voice collecting coding module, voice storage module and the communication module that are attached thereto.Mic access interface is connected with voice collecting coding module, is connected carries out data transmission between main control module and other each modules by serial ports.Wherein,
Mic access interface is used for audio access.
Main control module adopts STM32 Series of MCU STM32F103VET6, main control module also comprises SP1289TFT touch display, 5V power supply adaptor, power supply stabilization circuit, wherein, 5V power supply adaptor is used for 220V to exchange to be converted to 5V DC voltage, power supply stabilization circuit is used for the voltage of stable output, by 5V power supply adaptor access power supply stabilization circuit, AMS1117-3.3V chip is established in power supply stabilization circuit, RT9166-2.8V chip, RT9166-2.8V chip, just as required 5V DC voltage can be converted to direct current 3.3V voltage, direct current 2.8V voltage, direct current 2.5V voltage.
Also be provided with serial communication level switch module MAX3232 in main control module for converting RS232 serial data to Transistor-Transistor Logic level, 128MFLASH module is used for the storage of voice signal data, and general purpose timer counter module is used for counting external pulse.
Voice collecting coding module adopts VS1003B voice collecting coding chip, and voice collecting coding module adopts dual power supply, and wherein, negative pressure is powered and adopted the power supply stabilization circuit of main control module to provide.
Voice storage module comprises SDIO interface and CH376TU dish interface.SDIO interface is used for MicroSD mode and stores, maximum support 8G RAM (random access memory) card, and this mode takes up room little, is easy to carry, and can be easy to data batchmove on other equipment such as PC; CH376TU dish interface is used for USB flash disk and stores, maximum support 8GU dish, and this mode mainly because USB flash disk is present most popular mobile memory medium, is convenient for carrying relative to SD card.
Communication module comprises the wireless wifi module of MT7681 and ENC28J60 Ethernet interface.The Ethernet wire communication of ENC28J60 Ethernet interface for taking ENC28J60 as core, the wireless wifi high-speed communication of wifi module that MT7681 is wireless for taking MT7681 as core.
The flow process that the present invention carries out processing signals is: voice signal is accessed by mic access interface, STM32 Series of MCU STM32F103VET6 control VS1003B voice collecting coding chip recorded speech, complete voice collecting coding work by VS1003B and speech data is passed to STM32F103VET6, STM32F103VET6 receives data and data is saved in SD card or USB flash disk as required.If desired speech data is directly uploaded to high in the clouds, available STM32F103VET6 control ENC28J60 Ethernet interface or the wireless wifi module of MT7681 send data to high in the clouds.
Claims (7)
1. based on a voice collecting code storage device of STM32, it is characterized in that, comprising: mic access interface, main control module and the voice collecting coding module be attached thereto, voice storage module and communication module; Described mic access interface is connected with main control module; Described main control module is connected by serial ports with each module; Described main control module adopts STM32 Series of MCU; Described voice collecting coding module adopts VS1003B voice collecting coding chip; Described voice storage module comprises SDIO interface and USB flash disk interface; Described communication module comprises wireless wifi module and Ethernet interface.
2. a kind of voice collecting code storage device based on STM32 according to claim 1, is characterized in that: described main control module adopts STM32F103VET6.
3. a kind of voice collecting code storage device based on STM32 according to claim 1, is characterized in that: described main control module also comprises power supply stabilization circuit and 5V power supply adaptor; Described 5V power supply adaptor is used for 220V to exchange to be converted to 5V DC voltage, and described power supply stabilization circuit is used for the voltage of stable output, described 5V power supply adaptor access power supply stabilization circuit; Establish AMS1117-3.3V chip in described power supply stabilization circuit, RT9166-2.8V chip, RT9166-2.8V chip, said chip can be connected as required 5V DC voltage is converted to direct current 3.3V voltage, direct current 2.8V voltage, direct current 2.5V voltage.
4. a kind of voice collecting code storage device based on STM32 according to claim 1, is characterized in that: described main control module also comprises,
SP1289TFT touch display,
Serial communication level switch module MAX3232 is used for converting RS232 serial data to Transistor-Transistor Logic level,
128MFLASH module is used for the storage of voice signal data,
General purpose timer counter module is used for counting external pulse.
5. a kind of voice collecting code storage device based on STM32 according to claim 1, is characterized in that: described USB flash disk interface adopts CH376TU dish interface.
6. a kind of voice collecting code storage device based on STM32 according to claim 1, is characterized in that, described wireless wifi module employing take MT7681 as the wireless wifi module of core.
7. a kind of voice collecting code storage device based on STM32 according to claim 1, is characterized in that, described Ethernet interface employing take ENC28J60 as the Ethernet interface of core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510444014.7A CN105068458A (en) | 2015-07-24 | 2015-07-24 | STM32-based speech acquisition coding storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510444014.7A CN105068458A (en) | 2015-07-24 | 2015-07-24 | STM32-based speech acquisition coding storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105068458A true CN105068458A (en) | 2015-11-18 |
Family
ID=54497849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510444014.7A Pending CN105068458A (en) | 2015-07-24 | 2015-07-24 | STM32-based speech acquisition coding storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105068458A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201773594U (en) * | 2010-06-04 | 2011-03-23 | 北京爱国者存储科技有限责任公司 | Wireless transmission sound recording device |
| CN202759557U (en) * | 2012-07-30 | 2013-02-27 | 上海点码数码科技有限公司 | Digital point control apparatus |
| CN204229840U (en) * | 2014-09-19 | 2015-03-25 | 惠州市德赛工业发展有限公司 | A kind of WiFi music box with sound-recording function |
| CN204989828U (en) * | 2015-07-24 | 2016-01-20 | 南京工程学院 | Pronunciation collection code storage device based on STM32 |
-
2015
- 2015-07-24 CN CN201510444014.7A patent/CN105068458A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201773594U (en) * | 2010-06-04 | 2011-03-23 | 北京爱国者存储科技有限责任公司 | Wireless transmission sound recording device |
| CN202759557U (en) * | 2012-07-30 | 2013-02-27 | 上海点码数码科技有限公司 | Digital point control apparatus |
| CN204229840U (en) * | 2014-09-19 | 2015-03-25 | 惠州市德赛工业发展有限公司 | A kind of WiFi music box with sound-recording function |
| CN204989828U (en) * | 2015-07-24 | 2016-01-20 | 南京工程学院 | Pronunciation collection code storage device based on STM32 |
Non-Patent Citations (1)
| Title |
|---|
| 刘毅: "VS1053B编解码器的VDR分布式声音采集卡设计", 《单片机与嵌入式系统应用》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104050973A (en) | Low power audio trigger via intermittent sampling | |
| CN104281813A (en) | Wireless remote control memory system and control method thereof | |
| CN205232214U (en) | Wearable smart machine with real -time pronunciation record and warning function | |
| CN204557109U (en) | A kind of aquaculture accurate management system | |
| CN204989828U (en) | Pronunciation collection code storage device based on STM32 | |
| CN105070286A (en) | Voice feature extraction control device for recording pen | |
| CN105068458A (en) | STM32-based speech acquisition coding storage device | |
| CN202713523U (en) | Self-adaptive resolution high-definition video and audio encoding and decoding device | |
| CN203300178U (en) | Intelligent voice guide device | |
| CN203386342U (en) | Wireless data acquisition terminal | |
| CN103679101A (en) | Mobile phone audio frequency card reading device and system | |
| CN2842575Y (en) | Radio-frequency card telephone charging device | |
| CN203616009U (en) | Intelligent remote temperature recorder | |
| CN204350275U (en) | A kind of hardware interface circuit for audio port two-way communication | |
| CN204010689U (en) | A kind of voice recording system based on LPC2400 ARM | |
| CN203535963U (en) | English digital recorder | |
| CN203289644U (en) | Digital hearing aid system | |
| CN202331582U (en) | Human body-sensing energy-saving RFID (Radio Frequency Identification) attendance machine | |
| CN205594720U (en) | Novel fingerprint attendance machine | |
| CN203519024U (en) | Wide power supply linear encoder | |
| CN104637519A (en) | Fixed-line telephone recording system | |
| CN204010670U (en) | A kind of language play back system based on LPC2400 ARM | |
| CN209708626U (en) | A kind of mobile hard disk with voice control function | |
| CN103164184A (en) | Real-time recording device for court criminal justice | |
| CN102831889A (en) | System of voice PWM (Pulse-Width Modulation) output |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151118 |
|
| RJ01 | Rejection of invention patent application after publication |