CN109243477A - A kind of audio repeating box - Google Patents
A kind of audio repeating box Download PDFInfo
- Publication number
- CN109243477A CN109243477A CN201811209370.0A CN201811209370A CN109243477A CN 109243477 A CN109243477 A CN 109243477A CN 201811209370 A CN201811209370 A CN 201811209370A CN 109243477 A CN109243477 A CN 109243477A
- Authority
- CN
- China
- Prior art keywords
- interface
- digital
- logic level
- box
- interface logic
- 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
- 238000004088 simulation Methods 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 12
- 230000000638 stimulation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
- G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a kind of audio repeating boxes, including box body, it is set to the intracorporal MCU controller of box, analog-digital chip, interface logic level translator and digital interface module, the digital interface module and analog-digital chip communicate to connect, the analog-digital chip and MCU controller communicate to connect, and the digital interface module is also electrically connected with interface logic level translator.PDM and I2S digital audio and video signals are changed into analog signal to test using independent interconnecting device by a kind of audio repeating box provided by the invention, at low cost using simple；Furthermore, in order to be adapted to the operation level of different digital equipment, increase interface logic level translator, and it is controlled by interface logic level controller, it can support 1.8,2.0,2.8,3.0,3.3V interface level, applicability is wide, is able to satisfy the testing requirement of customers, not only it had been compatible with traditional simulation test instrument, but also has reduced improvement cost.
Description
[technical field]
The present invention relates to the technical field of PDM and I2S digital audio and video signals test, in particular to a kind of audio repeating boxes.
[background technique]
Currently, PDM and I2S digital audio and video signals are tested, in such a way that Direct Digital signal accesses test macro, need
Test macro itself has the hardware device for supporting digital interface access, for example, providing individual I2S interface and PDM interface mould
Block, but it is with high costs, and I2S interface and PDM interface are individually purchased, for price more than tens of thousands of members, compatibility is lower, with tradition
Simulation test instrument there is a problem of incompatible, for this purpose, propose a kind of audio repeating box, solve and traditional stimulation tester
The incompatible problem of device, while reducing improvement cost.
[summary of the invention]
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of audio repeating box is provided, is intended to be compatible with
Traditional simulation test instrument, while reducing improvement cost.
To achieve the above object, the invention proposes a kind of audio repeating boxes, including box body, are set to the intracorporal MCU of box
Controller, analog-digital chip, interface logic level translator and digital interface module, the digital interface module and digital-to-analogue
Conversion chip communication connection, the analog-digital chip and MCU controller communicate to connect, the digital interface module also with
Interface logic level translator is electrically connected.
Preferably, further including interface logic level controller, the interface logic level controller and interface logic
Level translator is electrically connected, and the interface logic level controller and MCU controller communicate to connect.
Preferably, the interface logic level translator passes through the control of interface logic level controller, Neng Gouwei
Digital interface module provides multiple interfaces level.
Preferably, the multiple interfaces level includes 1.8V, 2.0V, 2.8V, 3.0V, 3.3V interface level.
Preferably, simulation output interface is provided on the box body, the simulation output interface and digital-to-analogue conversion
The simulation output pin of chip is electrically connected.
Preferably, being additionally provided with USB interface on the box body, the USB interface electrically connects with MCU controller
It connects.
Preferably, the digital interface module includes the I2S interface and PDM interface being set on box body.
Beneficial effects of the present invention: compared with prior art, a kind of audio repeating box provided by the invention is structurally reasonable,
Using independent interconnecting device, PDM and I2S digital audio and video signals are changed into analog signal to test.Use simple, function liter
Grade cost is extremely low, and can satisfy the testing requirement of most of clients；In addition, in order to be adapted to the work of different digital equipment electricity
It is flat, increase interface logic level translator, and controlled by interface logic level controller, can support 1.8,2.0,
2.8,3.0,3.3V interface level, applicability is wide, is able to satisfy the use demand of customers, has both been compatible with traditional stimulation tester
Device, and reduce improvement cost.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of functional block diagram of audio repeating box of the embodiment of the present invention.
[specific embodiment]
In order to make the objectives, technical solutions and advantages of the present invention clearer, below by accompanying drawings and embodiments, to this
Invention is further elaborated.However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention,
The range being not intended to restrict the invention.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to keep away
Exempt from unnecessarily to obscure idea of the invention.
Refering to fig. 1, the embodiment of the present invention provides a kind of audio repeating box, including box body 1, the MCU control being set in box body 1
Device 2, analog-digital chip 3, interface logic level translator 4 and digital interface module 6 processed, the digital interface module 6 with
Analog-digital chip 3 communicates to connect, and the analog-digital chip 3 and MCU controller 2 communicate to connect, the digital interface
Module 6 is also electrically connected with interface logic level translator 4.
It further, further include interface logic level controller 5, the interface logic level controller 5 is patrolled with interface
It collects level translator 4 to be electrically connected, the interface logic level controller 5 and MCU controller 2 communicate to connect, and described connects
Mouth logic level translator 4 passes through the control of interface logic level controller 5, can provide a variety of connect for digital interface module 6
Mouth level.
Wherein, multiple interfaces level includes 1.8V, 2.0V, 2.8V, 3.0V, 3.3V interface level.
Further, simulation output interface 7, the simulation output interface 7 and digital-to-analogue are provided on the box body 1
The simulation output pin of conversion chip 3 is electrically connected；USB interface 8, the USB interface 8 are additionally provided on the box body 1
It is electrically connected with MCU controller 2；The digital interface module 6 includes the I2S interface 61 and PDM interface being set on box body 1
62。
In embodiments of the present invention, USB interface 8 is mainly used for control interface type, channel gain, digital signal samples rate
Etc. parameters control；I2S interface 61 and PDM interface 62 are the digital interfaces outside connection, pass through mould after digital signal conversion
Quasi- output interface 7 exports.
A kind of audio repeating box of the present invention, it is structurally reasonable, using independent interconnecting device, by PDM and I2S digital audio and video signals
Analog signal is changed into be tested.Using simple, function upgrading cost is extremely low, and the test that can satisfy most of clients needs
It asks；In addition, increasing interface logic level translator 4, and patrol by interface to be adapted to the operation level of different digital equipment
It collects level controller 5 to be controlled, can support 1.8,2.0,2.8,3.0,3.3V interface level, applicability is wide, is able to satisfy wide
The use demand of big customer had not only been compatible with traditional simulation test instrument, but also has reduced improvement cost.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. a kind of audio repeating box, it is characterised in that: including box body (1), the MCU controller (2), the number that are set in box body (1)
Mould conversion chip (3), interface logic level translator (4) and digital interface module (6), the digital interface module (6) with
Analog-digital chip (3) communication connection, the analog-digital chip (3) and MCU controller (2) communicate to connect, the number
Word interface module (6) is also electrically connected with interface logic level translator (4).
2. a kind of audio repeating box as described in claim 1, it is characterised in that: it further include interface logic level controller (5),
The interface logic level controller (5) and interface logic level translator (4) is electrically connected, the interface logic level
Controller (5) and MCU controller (2) communicate to connect.
3. a kind of audio repeating box as claimed in claim 2, it is characterised in that: the interface logic level translator (4)
By the control of interface logic level controller (5), multiple interfaces level can be provided for digital interface module (6).
4. a kind of audio repeating box as claimed in claim 3, it is characterised in that: the multiple interfaces level include 1.8V,
2.0V, 2.8V, 3.0V, 3.3V interface level.
5. a kind of audio repeating box as described in claim 1, it is characterised in that: it is defeated to be provided with simulation on the box body (1)
Outgoing interface (7), the simulation output pin electric connection of the simulation output interface (7) and analog-digital chip (3).
6. a kind of audio repeating box as described in claim 1, it is characterised in that: be additionally provided with USB on the box body (1) and connect
Mouth (8), the USB interface (8) and MCU controller (2) are electrically connected.
7. a kind of audio repeating box as described in claim 1, it is characterised in that: the digital interface module (6) includes setting
The I2S interface (61) and PDM interface (62) being placed on box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811209370.0A CN109243477A (en) | 2018-10-17 | 2018-10-17 | A kind of audio repeating box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811209370.0A CN109243477A (en) | 2018-10-17 | 2018-10-17 | A kind of audio repeating box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109243477A true CN109243477A (en) | 2019-01-18 |
Family
ID=65053149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811209370.0A Pending CN109243477A (en) | 2018-10-17 | 2018-10-17 | A kind of audio repeating box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109243477A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1567135A (en) * | 2003-06-30 | 2005-01-19 | 青岛海信计算机有限公司 | Computer with multiple operational modes and operation method thereof |
| US20100094440A1 (en) * | 2008-10-15 | 2010-04-15 | Yi-Chun Huang | Externally-connected audio apparatus and method for processing audio signals thereof |
| CN101926692A (en) * | 2010-07-09 | 2010-12-29 | 清华大学 | Speech signal processor for cochlear implant based on dual core processor |
| US20110161085A1 (en) * | 2009-12-31 | 2011-06-30 | Nokia Corporation | Method and apparatus for audio summary of activity for user |
| US20110187870A1 (en) * | 2010-01-29 | 2011-08-04 | Alcor Micro Corp. | Video/Audio Module Applied to Computer System |
| CN202679632U (en) * | 2012-07-27 | 2013-01-16 | 卢春鹏 | Digital audio box-type hearing-aid |
| CN205232343U (en) * | 2015-12-18 | 2016-05-11 | 深圳Tcl数字技术有限公司 | Signal conversion board and 4K2K signal conversion device |
| US20160224309A1 (en) * | 2015-02-04 | 2016-08-04 | Kingston Technology Corporation | Portable audio adapter with bulit-in flash memory |
| CN206249297U (en) * | 2016-08-31 | 2017-06-13 | 青岛歌尔声学科技有限公司 | Support that the LineOut of various digital input interfaces exports audio switching device |
| CN107391077A (en) * | 2017-07-11 | 2017-11-24 | 苏州顺芯半导体有限公司 | A kind of programmable audio A/D conversion chip and its implementation |
| CN107481735A (en) * | 2017-08-28 | 2017-12-15 | 中国移动通信集团公司 | A kind of method, server and the computer-readable recording medium of transducing audio sounding |
| CN209216576U (en) * | 2018-10-17 | 2019-08-06 | 杭州兆华电子有限公司 | A kind of audio repeating box |
-
2018
- 2018-10-17 CN CN201811209370.0A patent/CN109243477A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1567135A (en) * | 2003-06-30 | 2005-01-19 | 青岛海信计算机有限公司 | Computer with multiple operational modes and operation method thereof |
| US20100094440A1 (en) * | 2008-10-15 | 2010-04-15 | Yi-Chun Huang | Externally-connected audio apparatus and method for processing audio signals thereof |
| US20110161085A1 (en) * | 2009-12-31 | 2011-06-30 | Nokia Corporation | Method and apparatus for audio summary of activity for user |
| US20110187870A1 (en) * | 2010-01-29 | 2011-08-04 | Alcor Micro Corp. | Video/Audio Module Applied to Computer System |
| CN101926692A (en) * | 2010-07-09 | 2010-12-29 | 清华大学 | Speech signal processor for cochlear implant based on dual core processor |
| CN202679632U (en) * | 2012-07-27 | 2013-01-16 | 卢春鹏 | Digital audio box-type hearing-aid |
| US20160224309A1 (en) * | 2015-02-04 | 2016-08-04 | Kingston Technology Corporation | Portable audio adapter with bulit-in flash memory |
| CN205232343U (en) * | 2015-12-18 | 2016-05-11 | 深圳Tcl数字技术有限公司 | Signal conversion board and 4K2K signal conversion device |
| CN206249297U (en) * | 2016-08-31 | 2017-06-13 | 青岛歌尔声学科技有限公司 | Support that the LineOut of various digital input interfaces exports audio switching device |
| CN107391077A (en) * | 2017-07-11 | 2017-11-24 | 苏州顺芯半导体有限公司 | A kind of programmable audio A/D conversion chip and its implementation |
| CN107481735A (en) * | 2017-08-28 | 2017-12-15 | 中国移动通信集团公司 | A kind of method, server and the computer-readable recording medium of transducing audio sounding |
| CN209216576U (en) * | 2018-10-17 | 2019-08-06 | 杭州兆华电子有限公司 | A kind of audio repeating box |
Non-Patent Citations (2)
| Title |
|---|
| QIJUN GUO: "An Audio Digital Watermarking Algorithm Against A/D And D/A Conversions Based on DCT domain", 《 2012 2ND INTERNATIONAL CONFERENCE ON CONSUMER ELECTRONICS》, pages 1 - 6 * |
| 韩少华 等: "基于DSPMcBSP的高精度音频模数/数模转换系统的实现", 《电子技术》, no. 11, pages 35 - 38 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105116317B (en) | Integrated circuit test system and method | |
| CN209216576U (en) | A kind of audio repeating box | |
| CN109243477A (en) | A kind of audio repeating box | |
| CN208921808U (en) | A kind of measuring device of DC fields lightning arrester live-line test leakage current | |
| CN204855739U (en) | Power amplifier testing arrangement | |
| CN101587148A (en) | Method for reducing on-resistance test value of MOS device | |
| CN205583604U (en) | Split conductor fixed knot constructs | |
| CN209070512U (en) | Conference host | |
| CN206608577U (en) | A kind of duplex threeway ball valve in the same direction | |
| CN208724146U (en) | Conference microphone | |
| CN209658794U (en) | A kind of novel computer cable buncher | |
| CN207978098U (en) | A kind of double compatible bluetooth earphones | |
| CN102156257A (en) | Self-holding analog core testing shell | |
| CN109348143A (en) | A kind of multi-channel analog video signal conversion circuit | |
| CN207491188U (en) | A kind of external sound cards of the USB2.0 with midi interface | |
| CN207379855U (en) | A kind of Brinell hardness automatic measurement camera with built-in encryption device | |
| CN207866422U (en) | A kind of automatic test and experiment device of pressure signal device operating pressure | |
| CN206774843U (en) | A kind of Simple connector of computer and external equipment | |
| CN207968876U (en) | A kind of audio collection and pretreatment unit | |
| CN110366017A (en) | A kind of smart television voice cam device and intelligent TV set | |
| CN209283515U (en) | High power is propagandaed directed to communicate the lighting system that amplifies | |
| CN210408375U (en) | Slow-adjusting speculum for single-tire head dynamometer | |
| CN202866906U (en) | Digital servo system for turboset | |
| CN208540128U (en) | Bluetooth recording power amplifier | |
| CN209592238U (en) | Suitable for centralized and distributed battery management system from control collection plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 310000 No. 10, Xianqiao Road, Zhongtai street, Yuhang District, Hangzhou City, Zhejiang Province Applicant after: Hangzhou Zhaohua Electronics Co.,Ltd. Address before: 310000 building 1-3, No. 31-1, Xianxing Road, Xianlin street, Yuhang District, Hangzhou City, Zhejiang Province Applicant before: CRY SOUND CO.,LTD. |
|
| CB02 | Change of applicant information |