CN104077900A - Medical instrument alarm apparatus starting detection device and starting detection method - Google Patents
Medical instrument alarm apparatus starting detection device and starting detection method Download PDFInfo
- Publication number
- CN104077900A CN104077900A CN201310109146.5A CN201310109146A CN104077900A CN 104077900 A CN104077900 A CN 104077900A CN 201310109146 A CN201310109146 A CN 201310109146A CN 104077900 A CN104077900 A CN 104077900A
- Authority
- CN
- China
- Prior art keywords
- alarm
- module
- alarm sound
- signal
- voice signal
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 48
- 230000003321 amplification Effects 0.000 claims abstract description 11
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims description 55
- 238000000605 extraction Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 12
- 206010038743 Restlessness Diseases 0.000 claims description 5
- 230000000052 comparative effect Effects 0.000 claims description 5
- 230000005236 sound signal Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 238000009863 impact test Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention provides a medical instrument alarm apparatus starting detection device and a starting detection method. The device comprises a master control module for transferring an alarm voice sample signal to be detected to an audio encoding and decoding module, the audio encoding and decoding module for decoding the alarm voice sample signal to be detected, a power amplification module for amplifying power of the alarm voice sample signal to be detected, an alarm voice output module for playing alarm voice, and an alarm voice pickup module for converting the alarm voice into an electrical signal. The audio encoding and decoding module further encodes the electrical signal. The master control module further filters an alarm voice signal and then compares the alarm voice signal with the alarm voice sample signal to be detected to obtain a detection result. By adopting the technical scheme, the medical instrument alarm apparatus starting detection device plays alarm voice for detection by using an alarm apparatus system, then receives the alarm voice for detection by using a microphone, compares the alarm voice with an originally-played file after processing, further detects whether an alarm loop is normal or not and achieves detection of the alarm apparatus system when a medical instrument alarm apparatus is powered on and started up.
Description
Technical field
The present invention relates to electronic technology field, relate in particular to a kind of method of Medical Devices alarm start detection device and start detection.
Background technology
The health that is being related to user due to Medical Devices is life even, so medical apparatus system need to have high reliability, the reliability of using in order to improve Medical Devices is installed alarm conventionally on Medical Devices, by the fault of alarm remover apparatus, thus the security performance of raising equipment.For example, yet if fault has also appearred in alarm, loudspeaker damage, system also cannot normally provide warning, thereby cannot warn the fault of equipment.Fig. 1 is the circuit diagram of the Medical Devices alarm start detection device of prior art, as shown in Figure 1, at present, prior art mainly adopts LM48100 chip, can detect the loudspeaker of alarm, but this method cannot detect loudspeaker, whether circuit in addition breaks down.
At present, to alarm system, comprehensive detection also belongs to technical matters just to be solved.
Summary of the invention
The invention provides a kind of method of Medical Devices alarm start detection device and start detection, realized when starting up's Medical Devices alarm, detection to alarm system, fault that not only can detection alarm loudspeaker, whether the circuit that can also detect beyond loudspeaker breaks down.Described technical scheme is as follows:
A Medical Devices alarm start detection device, comprising:
Main control module, audio coding decoding module, power amplifier module, warning pickup model and alarm output module;
Main control module passes to audio coding decoding module by IIS bus (Inter-IC Sound bus, serial digital audio-frequency bus) by alarm sound sample signal to be measured;
Described audio coding decoding module is decoded to described alarm sound sample signal to be measured, and described decoded alarm sound sample signal to be measured is passed to power amplifier module;
Described power amplifier module carries out power amplification by described decoded alarm sound sample signal to be measured, and passes to alarm sound output module;
Described alarm sound output module is play alarm sound;
Alarm sound pickup model converts the described alarm sound being played back by alarm sound output module receiving to electric signal, and passes to described audio coding decoding module;
Described audio coding decoding module is encoded to the described electric signal being converted to by alarm sound, obtain actual alarm voice signal, and described actual alarm voice signal is passed to described main control module, described main control module carries out filtering to described actual alarm voice signal, and described filtered actual alarm voice signal is compared with described alarm sound sample signal to be measured, according to result relatively, obtain testing result.
Further, described main control module is also connected with the alarm controller of Medical Devices, the parts that the instruction judgement Medical Devices that send according to the alarm controller of described Medical Devices break down, and corresponding alarm sound signal is passed to audio coding decoding module.
Further, described main control module further comprises filtration module, frequency abstraction module, loudness extraction module and alarm sound comparing module;
Filtration module carries out filtering to described actual alarm voice signal, by the ground unrest filtering of described actual alarm voice signal;
The information of the frequency of described actual alarm voice signal after frequency abstraction module extraction filtering;
The information of the loudness of described actual alarm voice signal after loudness extraction module extraction filtering;
Alarm sound comparing module is compared the frequency information of described alarm sound sample signal to be measured and loudness information with frequency information and the loudness information of described actual alarm voice signal after filtering, and exports comparative result.
Further, described main control module adopts microcontroller to process described actual alarm voice signal.
Further, described audio coding decoding module adopts SGTL5000 codec.
Further, described warning pickup model comprises microphone.
Further, described alarm output module comprises loudspeaker.
A method for Medical Devices alarm start detection, comprising:
Alarm sound sample signal to be measured is decoded;
Described decoded alarm sound sample signal to be measured is carried out to power amplification, and play out alarm sound;
Convert described alarm sound to electric signal;
Described electric signal is encoded, obtain actual alarm voice signal;
Described actual alarm voice signal is carried out to filtering;
Described filtered actual alarm voice signal is compared with described alarm sound sample signal to be measured;
According to result relatively, obtain testing result.
Further, described described filtered actual alarm voice signal compared and further comprised with described alarm sound sample signal to be measured:
The information of the frequency of described actual alarm voice signal after extraction filtering;
The information of the loudness of described actual alarm voice signal after extraction filtering;
The frequency information of described alarm sound sample signal to be measured and loudness information are compared with frequency information and the loudness information of described actual alarm voice signal after filtering, and export comparative result.
Further, the described result according to relatively obtains testing result and comprises:
When the frequency information of the frequency information of described alarm sound sample signal to be measured and described actual alarm voice signal after filtering is different, the module that alarm sound is play in judgement breaks down;
When the loudness information of the loudness information of described alarm sound sample signal to be measured and described actual alarm voice signal after filtering is different, judgement power amplifier and periphery circuit break down;
After the frequency information of described alarm sound sample signal to be measured and loudness information and filtering, simultaneously, judgement does not have fault for the frequency information of described actual alarm voice signal and loudness information homogeneous phase.
Technical scheme provided by the invention, by using Medical Devices alarm system, play detection alarm sound, with microphone, receive described detection alarm sound, after being processed, this alarm sound compares with former played file, whether detection alarm loop is normal, realized when starting up's Medical Devices alarm the detection to alarm system.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the Medical Devices alarm start detection device of prior art;
Fig. 2 is a kind of Medical Devices alarm start detection apparatus system functional block diagram that the embodiment of the present invention provides;
Fig. 3 is a kind of Medical Devices alarm start detection device circuit schematic diagram that the embodiment of the present invention provides;
Fig. 4 is a kind of Medical Devices alarm start detection method flow diagram that the embodiment of the present invention provides.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein, only for explaining the present invention, but not limitation of the invention.
The Medical Devices alarm start detection device that the embodiment of the present invention provides can sound the alarm according to the fault of Medical Devices, meanwhile, can also be when alarm starts, whether automatic detection alarm system can normally work.
Fig. 2 is a kind of Medical Devices alarm start detection apparatus system functional block diagram that the embodiment of the present invention provides, as shown in Figure 2: described Medical Devices alarm start detection device, comprising: main control module 201, audio coding decoding module 202, power amplifier module 203, warning pickup model 204 and alarm output module 205;
Main control module 201 passes to audio coding decoding module 202 by IIS bus (Inter-IC Sound bus, serial digital audio-frequency bus) by alarm sound sample signal to be measured; Audio coding decoding module 202 is treated and is observed and predicted alert sample sound signal and decode, and decoded alarm sound sample signal to be measured is passed to power amplifier module 203, wherein, audio coding decoding module mainly adopts SGTL5000 codec to carry out encoding and decoding to signal; Power amplifier module 203 carries out power amplification by decoded alarm sound sample signal to be measured, and passes to alarm sound output module 205; Alarm sound output module 205 comprises loudspeaker, plays alarm sound; Alarm sound pickup model 204 comprises microphone, converts the alarm sound being played back by alarm sound output module 205 receiving to electric signal, and passes to audio coding decoding module 202; 202 pairs of electric signal that converted to by alarm sound of audio coding decoding module are encoded, obtain actual alarm voice signal, and actual alarm voice signal is passed to main control module 201,201 pairs of actual alarm voice signals of main control module carry out filtering, and filtered actual alarm voice signal is compared with alarm sound sample signal to be measured, according to result relatively, obtain testing result.
Wherein, main control module 201 is also connected with the alarm controller of Medical Devices, the parts that the instruction judgement Medical Devices that send according to Medical Devices alarm controller break down, and corresponding alarm sound signal is passed to audio coding decoding module.
Wherein, main control module 201 adopts microcontroller to process actual alarm voice signal.Main control module 201 further comprises filtration module, frequency abstraction module, loudness extraction module and alarm sound comparing module;
Filtration module carries out filtering to actual alarm voice signal, by the ground unrest filtering of actual alarm voice signal; The information of the frequency of actual alarm voice signal after frequency abstraction module extraction filtering; The information of the loudness of actual alarm voice signal after loudness extraction module extraction filtering; Alarm sound comparing module is compared the frequency information of alarm sound sample signal to be measured and loudness information with frequency information and the loudness information of actual alarm voice signal after filtering, and exports comparative result.
Ultimate principle and the course of work of the Medical Devices alarm start detection device that in sum, the embodiment of the present invention provides are summarized as follows:
When Medical Devices alarm starting up, the detection of first starting shooting, to judge whether Medical Devices alarm can normally work.First, main control module 201 passes to audio coding decoding module 202 by the alarm sound sample signal to be measured of numeral, audio coding decoding module 202 is treated and is observed and predicted alert sample sound signal and decode, convert the alarm sound sample signal to be measured of numeral to simulating signal, then this simulating signal is passed to power amplifier module 203 and carry out power amplification, pass to alarm sound output module 205, alarm sound output module 205 plays back detection with alarm sound again.
Alarm sound pickup model 204 receives the alarm sound being played back by alarm sound output module 205, and convert analog electrical signal to, pass to audio coding decoding module 202, 202 pairs of analog electrical signals that receive of audio coding decoding module are encoded, convert digital signal to, obtain digital actual alarm voice signal, and actual alarm voice signal is passed to main control module 201, because have other noise in surrounding environment, so main control module 201 need to carry out filtering to actual alarm voice signal, filter out to avoid noise to impact testing result ground unrest, and then by the information of the frequency of actual alarm voice signal after frequency abstraction module extraction filtering, the information of the loudness of actual alarm voice signal after loudness extraction module extraction filtering, finally, by alarm sound comparing module, the frequency information of alarm sound sample signal to be measured and loudness information are compared with frequency information and the loudness information of actual alarm voice signal after filtering.
When the frequency information of the frequency information of alarm sound sample signal to be measured and actual alarm voice signal after filtering is different, judgement alarm sound output module 205 breaks down; When the loudness information of the loudness information of alarm sound sample signal to be measured and actual alarm voice signal after filtering is different, judgement power amplifier and periphery circuit break down; After the frequency information of alarm sound sample signal to be measured and loudness information and filtering, simultaneously, judgement does not have fault for the frequency information of actual alarm voice signal and loudness information homogeneous phase.
At Medical Devices alarm start detection device, complete after starting up's detection, if alarm system has fault, according to testing result, fix a breakdown.If alarm system is normal, alarm enters normal operating conditions, when Medical Devices break down, the alarm controller of Medical Devices sends alarm command to main control module 201 according to the type of fault and the parts that break down, main control module 201 extracts corresponding alert files (different alarm sounds corresponding to fault) according to alarm command, then alert files is sent to audio coding decoding module 202 to decode, convert digital signal to simulating signal, by power amplifier module 203, carry out power amplification again, finally pass to alarm sound output module 205, output module 205 plays back alarm sound.Fig. 3 is a kind of Medical Devices alarm start detection device circuit schematic diagram that the embodiment of the present invention provides, and as shown in Figure 3, circuit adopts SGTL5000 codec to carry out encoding and decoding to signal, and adopts SGM series power amplification chip.
Fig. 4 is a kind of Medical Devices alarm start detection method flow diagram that the embodiment of the present invention provides, and as shown in Figure 4, the method for described Medical Devices alarm start detection, comprising:
Step 401: alarm sound sample signal to be measured is decoded;
First the alarm sound sample signal to be measured of numeral is decoded, convert the alarm sound sample signal to be measured of numeral to simulating signal.
Step 402: decoded alarm sound sample signal to be measured is carried out to power amplification, and play out alarm sound;
The simulating signal that alarm sound sample signal to be measured by numeral is converted to is carried out power amplification, then detection is played back with alarm sound.
Step 403: convert alarm sound to electric signal;
By microphone, receive alarm sound, and convert alarm sound to analog electrical signal.
Step 404: electric signal is encoded, obtain actual alarm voice signal;
Electric signal is encoded, convert the analog electrical signal of alarm sound conversion to digital signal.
Step 405: actual alarm voice signal is carried out to filtering;
Because have other noise in surrounding environment, so need to carry out filtering to actual alarm voice signal, filter out to avoid noise to impact testing result ground unrest.
Step 406: filtered actual alarm voice signal is compared with alarm sound sample signal to be measured;
Specifically comprise step 4061～step 4063:
Step 4061: the information of the frequency of actual alarm voice signal after extraction filtering;
According to after filtering, the actual alarm voice signal of numeral, extracts the frequency information of signal.
Step 4062: the information of the loudness of actual alarm voice signal after extraction filtering;
According to after filtering, the actual alarm voice signal of numeral, extracts the loudness information of signal.
Step 4063: the frequency information of alarm sound sample signal to be measured and loudness information are compared with frequency information and the loudness information of actual alarm voice signal after filtering.
Step 407: obtain testing result according to result relatively.
Specifically comprise:
When the frequency information of the frequency information of alarm sound sample signal to be measured and actual alarm voice signal after filtering is different, the module that alarm sound is play in judgement breaks down;
When the loudness information of the loudness information of alarm sound sample signal to be measured and actual alarm voice signal after filtering is different, judgement power amplifier and periphery circuit break down;
After the frequency information of alarm sound sample signal to be measured and loudness information and filtering, simultaneously, judgement does not have fault for the frequency information of actual alarm voice signal and loudness information homogeneous phase.
Technical scheme provided by the invention, by using Medical Devices alarm system, play detection alarm sound, then with microphone, receive described detection alarm sound, after being processed, this alarm sound compares with former played file, and then whether detection alarm loop is normal, realized when starting up's Medical Devices alarm the detection to alarm system.
Below be only the explanation of doing for the preferred embodiments of the present invention and know-why thereof; and the restriction of not technology contents of the present invention being carried out; anyly be familiar with those skilled in the art in technical scope disclosed in this invention; the variation of easily expecting or replacement, all should be encompassed in protection scope of the present invention.
Claims (10)
1. a Medical Devices alarm start detection device, is characterized in that, comprising:
Main control module, audio coding decoding module, power amplifier module, warning pickup model and alarm output module;
Main control module passes to audio coding decoding module by IIS bus (Inter-IC Sound bus, serial digital audio-frequency bus) by alarm sound sample signal to be measured;
Described audio coding decoding module is decoded to described alarm sound sample signal to be measured, and described decoded alarm sound sample signal to be measured is passed to power amplifier module;
Described power amplifier module carries out power amplification by described decoded alarm sound sample signal to be measured, and passes to alarm sound output module;
Described alarm sound output module is play alarm sound;
Alarm sound pickup model converts the described alarm sound being played back by alarm sound output module receiving to electric signal, and passes to described audio coding decoding module;
Described audio coding decoding module is encoded to the described electric signal being converted to by alarm sound, obtain actual alarm voice signal, and described actual alarm voice signal is passed to described main control module, described main control module carries out filtering to described actual alarm voice signal, and described filtered actual alarm voice signal is compared with described alarm sound sample signal to be measured, according to result relatively, obtain testing result.
2. device according to claim 1, it is characterized in that, described main control module is also connected with the alarm controller of Medical Devices, the parts that the instruction judgement Medical Devices that send according to the alarm controller of described Medical Devices break down, and corresponding alarm sound signal is passed to audio coding decoding module.
3. device according to claim 1, is characterized in that, described main control module further comprises filtration module, frequency abstraction module, loudness extraction module and alarm sound comparing module;
Filtration module carries out filtering to described actual alarm voice signal, by the ground unrest filtering of described actual alarm voice signal;
The information of the frequency of described actual alarm voice signal after frequency abstraction module extraction filtering;
The information of the loudness of described actual alarm voice signal after loudness extraction module extraction filtering;
Alarm sound comparing module is compared the frequency information of described alarm sound sample signal to be measured and loudness information with frequency information and the loudness information of described actual alarm voice signal after filtering, and exports comparative result.
4. device according to claim 1, is characterized in that, described main control module adopts microcontroller to process described actual alarm voice signal.
5. device according to claim 1, is characterized in that, described audio coding decoding module adopts SGTL5000 codec.
6. device according to claim 1, is characterized in that, described warning pickup model comprises microphone.
7. device according to claim 1, is characterized in that, described alarm output module comprises loudspeaker.
8. a method for Medical Devices alarm start detection, is characterized in that, comprising:
Alarm sound sample signal to be measured is decoded;
Described decoded alarm sound sample signal to be measured is carried out to power amplification, and play out alarm sound;
Convert described alarm sound to electric signal;
Described electric signal is encoded, obtain actual alarm voice signal;
Described actual alarm voice signal is carried out to filtering;
Described filtered actual alarm voice signal is compared with described alarm sound sample signal to be measured;
According to result relatively, obtain testing result.
9. method according to claim 8, is characterized in that, described described filtered actual alarm voice signal is compared and further comprised with described alarm sound sample signal to be measured:
The information of the frequency of described actual alarm voice signal after extraction filtering;
The information of the loudness of described actual alarm voice signal after extraction filtering;
The frequency information of described alarm sound sample signal to be measured and loudness information are compared with frequency information and the loudness information of described actual alarm voice signal after filtering, and export comparative result.
10. method according to claim 9, is characterized in that, the described result according to comparison obtains testing result and comprises:
When the frequency information of the frequency information of described alarm sound sample signal to be measured and described actual alarm voice signal after filtering is different, the module that alarm sound is play in judgement breaks down;
When the loudness information of the loudness information of described alarm sound sample signal to be measured and described actual alarm voice signal after filtering is different, judgement power amplifier and periphery circuit break down;
After the frequency information of described alarm sound sample signal to be measured and loudness information and filtering, simultaneously, judgement does not have fault for the frequency information of described actual alarm voice signal and loudness information homogeneous phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310109146.5A CN104077900B (en) | 2013-03-29 | 2013-03-29 | Medical instrument alarm apparatus starting detection device and starting detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310109146.5A CN104077900B (en) | 2013-03-29 | 2013-03-29 | Medical instrument alarm apparatus starting detection device and starting detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104077900A true CN104077900A (en) | 2014-10-01 |
| CN104077900B CN104077900B (en) | 2017-02-15 |
Family
ID=51599132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310109146.5A Active CN104077900B (en) | 2013-03-29 | 2013-03-29 | Medical instrument alarm apparatus starting detection device and starting detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104077900B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105582605A (en) * | 2015-12-28 | 2016-05-18 | 湖南明康中锦医疗科技发展有限公司 | Medical device alarm method and device and breathing machine |
| CN108010537A (en) * | 2017-12-30 | 2018-05-08 | 长沙迪普美医疗科技有限公司 | A kind of audible alarm processing method, device, system |
| CN110390954A (en) * | 2019-08-06 | 2019-10-29 | 京东方科技集团股份有限公司 | Method and device for evaluating quality of voice product |
| CN110533895A (en) * | 2019-09-29 | 2019-12-03 | 赛特威尔电子股份有限公司 | A kind of inspection method and fire alarm installation of fire-alarm |
| CN112542033A (en) * | 2020-11-09 | 2021-03-23 | 蚌埠依爱消防电子有限责任公司 | Fire-fighting audible and visual alarm fault detection method based on sound recognition |
| CN112735110A (en) * | 2020-12-29 | 2021-04-30 | 深圳市安室智能有限公司 | Intelligent alarm testing system, method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5224169A (en) * | 1991-05-13 | 1993-06-29 | Thomson Consumer Electronics, Inc. | Protection arrangement for an audio output channel |
| CN2513116Y (en) * | 2001-12-14 | 2002-09-25 | 天津市赛泽数字通信技术有限公司 | Location detection system for loud speaker fault |
| CN101170843A (en) * | 2007-11-30 | 2008-04-30 | 清华大学 | On-line Pure Tone Fault Diagnosis Method for Loudspeakers |
| CN202494759U (en) * | 2012-02-16 | 2012-10-17 | 成都玺汇科技有限公司 | Failure tracing detector for amplifying circuit |
| CN202523194U (en) * | 2012-05-12 | 2012-11-07 | 罗希岩 | Electro-acoustic type wireless monitoring device for air defense alarm |
-
2013
- 2013-03-29 CN CN201310109146.5A patent/CN104077900B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5224169A (en) * | 1991-05-13 | 1993-06-29 | Thomson Consumer Electronics, Inc. | Protection arrangement for an audio output channel |
| CN2513116Y (en) * | 2001-12-14 | 2002-09-25 | 天津市赛泽数字通信技术有限公司 | Location detection system for loud speaker fault |
| CN101170843A (en) * | 2007-11-30 | 2008-04-30 | 清华大学 | On-line Pure Tone Fault Diagnosis Method for Loudspeakers |
| CN202494759U (en) * | 2012-02-16 | 2012-10-17 | 成都玺汇科技有限公司 | Failure tracing detector for amplifying circuit |
| CN202523194U (en) * | 2012-05-12 | 2012-11-07 | 罗希岩 | Electro-acoustic type wireless monitoring device for air defense alarm |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105582605A (en) * | 2015-12-28 | 2016-05-18 | 湖南明康中锦医疗科技发展有限公司 | Medical device alarm method and device and breathing machine |
| CN105582605B (en) * | 2015-12-28 | 2018-07-06 | 湖南明康中锦医疗科技发展有限公司 | Medical Devices alarm method, device and lung ventilator |
| CN108010537A (en) * | 2017-12-30 | 2018-05-08 | 长沙迪普美医疗科技有限公司 | A kind of audible alarm processing method, device, system |
| CN110390954A (en) * | 2019-08-06 | 2019-10-29 | 京东方科技集团股份有限公司 | Method and device for evaluating quality of voice product |
| CN110390954B (en) * | 2019-08-06 | 2022-05-13 | 京东方科技集团股份有限公司 | Method and device for evaluating quality of voice product |
| CN110533895A (en) * | 2019-09-29 | 2019-12-03 | 赛特威尔电子股份有限公司 | A kind of inspection method and fire alarm installation of fire-alarm |
| CN112542033A (en) * | 2020-11-09 | 2021-03-23 | 蚌埠依爱消防电子有限责任公司 | Fire-fighting audible and visual alarm fault detection method based on sound recognition |
| CN112735110A (en) * | 2020-12-29 | 2021-04-30 | 深圳市安室智能有限公司 | Intelligent alarm testing system, method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104077900B (en) | 2017-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104077900A (en) | Medical instrument alarm apparatus starting detection device and starting detection method | |
| CN104863839A (en) | Method for detecting abnormal noise of high pressure oil pump of automobile engine | |
| CN102595300A (en) | Apparatus for detecting faults of loudspeakers and loudspeaker system | |
| CN104796840B (en) | A kind of sound pick up equipment and self checking method with self-checking function | |
| CN101370084A (en) | Acoustic control cam | |
| CN105575016A (en) | Experiment voice reminding method, device and system applied to experiment | |
| CN103648075A (en) | Device and method for automatically detecting abnormality of power amplifier | |
| CN103237116B (en) | Method and device for assisting guitar tuning by utilizing mobile terminals | |
| ATE557282T1 (en) | DEVICE AND METHOD FOR INDICATING ELECTRICAL FAULTS, UNIT AND ELECTRICAL PANEL COMPRISING SUCH DEVICE | |
| CN105696861B (en) | A kind of anti-theft device starting voice recognition based on lock core | |
| CN201876948U (en) | Ultrasonic monitoring power equipment | |
| CN107948873B (en) | Automatic switching system and method for audio signals | |
| CN210006167U (en) | Anti-damage alarm system for bus electronic stop boards | |
| CN202306730U (en) | Anti-theft alarm device of power equipment of transformer substation | |
| CN201937757U (en) | Embedded type network hard disk recorder | |
| CN204408355U (en) | A broadcasting and monitoring system | |
| CN202362626U (en) | Data acquisition device | |
| CN201635768U (en) | Mine-used intrinsically safe voice alarm | |
| CN203070758U (en) | Audio recording and playing apparatus | |
| CN222263003U (en) | Automatic control circuit for sleep-aiding music volume | |
| CN2718920Y (en) | Network protection servicer | |
| CN213904931U (en) | Sound off-line speech recognition control device | |
| CN203689636U (en) | Sound acceleration detection application device used for fields of communication and security | |
| CN204143874U (en) | For the acoustical monitoring systems of audio-visual devices electromagnetic compatibility anti-interference test | |
| CN211454854U (en) | English translation training device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |