CN202728268U - Railway locomotive integrated-control voice recording and analyzing equipment - Google Patents
Railway locomotive integrated-control voice recording and analyzing equipment Download PDFInfo
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- CN202728268U CN202728268U CN 201220413774 CN201220413774U CN202728268U CN 202728268 U CN202728268 U CN 202728268U CN 201220413774 CN201220413774 CN 201220413774 CN 201220413774 U CN201220413774 U CN 201220413774U CN 202728268 U CN202728268 U CN 202728268U
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Abstract
Railway locomotive integrated-control voice recording and analyzing equipment is used for analyzing locomotive integrated-control voice signals to obtain integrated-control calling results and comprises a voice extraction device, a voice recognition device, a storage device, a display device and a main processing device. The main processing device is connected with the voice extraction device, the voice recognition device, the storage device and the display device and used for realizing corresponding algorithm analysis, analog-to-digital conversion, encoding and compression of sound stream signals which are then stored in the storage device, and performing voice analysis to locomotive integrated-control results from the voice recognition device so as to obtain one calling rate which is then displayed through the display device. Call quantity in integrated locomotive traffic control is represented through each calling success rate, so that accident responsibility, equipment operation conditions, calling rates and the like can be monitored effectively, and accurate and timely analysis basis can be provided for management staff by the railway locomotive integrated-control voice recording and analyzing equipment.
Description
Technical field
The utility model relates to railway wireless train scheduling communications system, particularly a kind ofly the train that at every turn enters the station contact call contents is carried out real time recording and automatic speech recognition whether analyzes the railway locomotive joint control voice record analytical equipment of successful joint control.
Background technology
At present railroad train wireless dispatching communication secure record management adopts digital voice recording instrument equipment, and language, the time of shunting service, traffic dispatching command order are carried out record.The black box that is equivalent to the railways train operation command dispatch communication, it is the necessary equipment of identifying accident liability, supervision work quality, for railroad safety management and accident analysis provide foundation, being that commander's train safe running on time and shunting service overall process record supervision, is the indispensable component part of dispatching communications subsystem.
In the prior art, the voice of the station-locomotive joint control of railway commander train safe running on time during only to joint control carry out record, fail to accomplish by speech recognition technology, and the joint control call voice that records is analyzed and identified.
The utility model content
Main purpose of the present utility model is to overcome the deficiencies in the prior art, consider to exist defective in field application environment and the utilization process, propose a kind of can automatically identification the station-locomotive joint control voice content, judge whether the railway locomotive joint control voice record analytical equipment of joint control success.
The utility model adopts following technical scheme:
A kind of railway vehicle machine joint control voice record analytical equipment is characterized in that: comprise for the voice signal with station-locomotive joint control and carry out the voice extraction element that feature extraction obtains station-locomotive joint control sound stream signal, be used for the sound stream signal is analyzed the speech recognition equipment that coupling obtains the station-locomotive joint control result, memory storage, read out instrument, and with above-mentioned voice extraction element, speech recognition equipment, memory storage links to each other with read out instrument the sound stream signal is carried out corresponding Algorithm Analysis, analogue to digital conversion, be stored to memory storage after coding and the compression and will carry out corresponding speech understanding from voice means of identification station-locomotive joint control result and draw call completion ratio and show in real time primary processing unit by read out instrument.
Further, also include for the loudspeaker device that the sound stream signal is carried out the real-time online inquiry and play, this loudspeaker device links to each other with primary processing unit.
Further, also comprise the telephony interface for real-time listening sound stream signal, this telephony interface links to each other with described primary processing unit.
Further, also comprise the Ethernet interface for remote inquiry sound stream signal, this Ethernet interface links to each other with described primary processing unit.
By above-mentioned to description of the present utility model as can be known, compared with prior art, the utlity model has following beneficial effect:
The utility model proposes a kind of railway vehicle machine joint control voice record analytical equipment, adopting large-scale digital ic to finish takes a sample, encodes, compresses and store the voice signal that collects, not only when station-locomotive joint control, can carry out record to call voice, can also automatically identify the station-locomotive joint control voice content simultaneously, judge whether that joint control success is complete, with each complete calling, reply, the standard of confirming as carries out active data and successfully adds up; Equipment carries ethernet and telephone network interface, realizes remote inquiry, analytic statistics, playback, monitoring and data download.And satisfy long-time voice recording, inquiry fully, play and statistics; Have reliability height, the characteristics such as simple to operate, non-maintaining; Without any mechanical action part, having the characteristics such as antidetonation, long service life, power and energy saving during this equipment work, is the indispensable component part of railway wireless dispatching communications subsystem.
Description of drawings
Fig. 1 is the structured flowchart of railway vehicle machine joint control voice record analytical equipment of the present utility model.
The specific embodiment
Below the utility model will be further described by the specific embodiment.
The utility model is mainly used in railway vehicle machine wireless voice intercommunication environment that joint control is carried out, and digital recording, identification, analysis, inquiry, monitoring and monitoring are carried out in its conversation, has after the device looses power information and the advantage such as does not lose.
With reference to Fig. 1, a kind of railway vehicle machine joint control voice record analytical equipment, comprise for the voice signal with station-locomotive joint control carry out feature extraction obtain station-locomotive joint control sound stream signal voice extraction element 1, be used for the sound stream signal is analyzed speech recognition equipment 2, memory storage 3, read out instrument 4 and the primary processing unit 5 that coupling obtains the station-locomotive joint control result.Memory storage 3, read out instrument 4 link to each other with primary processing unit 5.Voice extraction element 1 is delivered to primary processing unit 5 with the sound stream information of extracting and is carried out corresponding Algorithm Analysis behind quantization encoding, be stored to memory storage 3 after analogue to digital conversion, coding and the compression.Speech recognition equipment 2 carries out the encoded primary processing unit 5 that exports to of station-locomotive joint control result corresponding speech understanding and draws call completion ratio one time, and shows in real time that by read out instrument 4 wherein, memory storage can adopt the SD card.
The utility model also includes for the loudspeaker device 6 that the sound stream signal is carried out the real-time online inquiry and play, the telephony interface 7 that is used for real-time listening sound stream signal, the Ethernet interface 8 that is used for remote inquiry sound stream signal is for the USB interface 9 and the pcm interface 10 that carry out data transmission.
Concrete, adopt embedded (ARM) as primary processing unit, the full-digital circuit design, voice data is transformed through ADC, and extract useful voice data by decimation filter and form the voice flow signal, carry out corresponding phonetic algorithm and signal detection by primary processing unit by feature extraction after with voice flow data quantization encoding.Utilize coding compression algorithm to solve code check and the contradiction of writing time after the voice digitization, solved the contradiction of voice dynamic range and figure shift with up-to-date signal companding technology, effectively solve the sound recordings compression, the record sound clarity, writing time is long.Adopt complete Chinese large crystal screen to show, can manage by computer software, man-machine interface is friendly, and the operation intuitive and convenient arranges the functions such as authority inquiry.Be equipped with multichannel recording and telephone remote query interface, can and have play the record content by the telephone remote inquiry.Recording substance can dump in the computer by the SD card and preserve, convenient management.
Adopt the speech analysis method of the railway vehicle machine joint control voice record analytical equipment of this practicality, draw joint control for the voice signal analysis to station-locomotive joint control and call through the result, specifically comprise the steps
1) voice signal that receives is carried out filtering and process, carry out A/D behind the voice signal of reservation 300-3400Hz and be converted to audio digital signals;
2) extract sound stream information the station-locomotive joint control from audio digital signals;
3) according to the recognition strategy of setting, the conversation of the standard in this sound stream information and station-locomotive joint control model is mated, extract with the standard of this sound stream information similarity maximum and converse model as matching result.
In step 2) in sound stream information for adopting the feature Denoising Algorithm take frequency cepstral coefficient as main, energy parameter is with the proper vector of its single order, a multidimensional of second order difference composition in cooperations.Because the speech data that this equipment extracts is radio station receiving demodulation sound signal out, its environmental noise is larger, and noise is smaller, so adopt more complicated Denoising Algorithm.According to language model and acoustic model the voice flow signal is understood analysis.Speech model: the language model and the rule-based syntactic structure command language model that adopt the statistics grammer.Syntactic structure can limit the interconnected relationship between the different words, has reduced the search volume of recognition system, and this is conducive to improve the identification of system; Acoustic model in conjunction with context-sensitive acoustic model modeling, adopts semicontinuous or continuous hidden Markov model topological structure, describes the generation of speech samples with the resident and transfer between the state.Determining and high-level training data in enormous quantities of identification primitive.Based on the model of word, the syntactic meaning of part of speech language model is more obvious, and can avoid occurring Sparse Problem relatively.
In step 3) in, the recognition strategy of setting is continuous speech recognition and the keyword spotting strategy that adopts based on little domain language model, does not consider other Languages composition irrelevant in the voice messaging, improves the discrimination of semantic feature.Be used for conversational system, because it has the phonological component of ignoring beyond the keyword, a lot of spoken phenomenons can be left in the basket and not affect the recognition performance of keyword.
Standard conversation model in station-locomotive joint control described in the step 3) is the essential feature word that adopts in the artificial station-locomotive joint control of setting.It can be the conversation format standard of railway standard regulation station-locomotive joint control, train is called out in the following manner at the point in call of regulation, locomotive: * * (station) * * (inferior) approach, the station: * * (inferior) * * (station) * road is by (parking), locomotive: * * (inferior) * road is by (parking), and the driver understands.The eigenwert that can extract from standard is conversed form is set up pattern base, the eigenwert that is used for mating voice signal to be identified as the conversation of the standard in station-locomotive joint control model.Keyword spotting under the system template of eigenwert instructs has very high recognition performance and robustness, significantly better than other recognition system, and has good portability.
If sound stream information and station-locomotive joint control Plays conversation aspect of model word coupling represents that then joint control calls through successfully in step 3).By the tagged word that proposes in the standard of the iron mark regulation station-locomotive joint control conversation model, as " stand, inferior, approaching, pass through, parking, driver be clear " as the system matches template of eigenwert.In setting up certain communication process, if there is being complementary with tagged word, represent its joint control call completion ratio success.
The attainable function of railway vehicle machine joint control voice record analytical equipment of the present utility model has in simple terms: 1, conventional voice call writing function; 2, recording playback function; 3, record queries dump function; 4, real-time listening function; 5, set of time and calibration function; 6, recording file automatic cycle covering function; 7, speech recognition and Presentation Function; 8, remote inquiry playing function.
Above-mentioned only is a specific embodiment of the present utility model, but design concept of the present utility model is not limited to this, allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should belong to the behavior of invading the utility model protection domain.
Claims (4)
1. a railway vehicle machine joint control voice record analytical equipment is characterized in that: comprise for the voice signal with station-locomotive joint control and carry out the voice extraction element that feature extraction obtains station-locomotive joint control sound stream signal, be used for the sound stream signal is analyzed the speech recognition equipment that coupling obtains the station-locomotive joint control result, memory storage, read out instrument, and with above-mentioned voice extraction element, speech recognition equipment, memory storage links to each other with read out instrument the sound stream signal is carried out corresponding Algorithm Analysis, analogue to digital conversion, be stored to memory storage after coding and the compression and will carry out the primary processing unit that corresponding speech understanding draws a call completion ratio and shows in real time by read out instrument from voice means of identification station-locomotive joint control result.
2. a kind of railway vehicle machine joint control voice record analytical equipment as claimed in claim 1 is characterized in that: also include for the loudspeaker device that the sound stream signal is carried out the real-time online inquiry and play, this loudspeaker device links to each other with primary processing unit.
3. a kind of railway vehicle machine joint control voice record analytical equipment as claimed in claim 2, it is characterized in that: also comprise the telephony interface for real-time listening sound stream signal, this telephony interface links to each other with described primary processing unit.
4. a kind of railway vehicle machine joint control voice record analytical equipment as claimed in claim 2 or claim 3, it is characterized in that: also comprise the Ethernet interface for remote inquiry sound stream signal, this Ethernet interface links to each other with described primary processing unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220413774 CN202728268U (en) | 2012-08-20 | 2012-08-20 | Railway locomotive integrated-control voice recording and analyzing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220413774 CN202728268U (en) | 2012-08-20 | 2012-08-20 | Railway locomotive integrated-control voice recording and analyzing equipment |
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| CN202728268U true CN202728268U (en) | 2013-02-13 |
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| CN 201220413774 Expired - Fee Related CN202728268U (en) | 2012-08-20 | 2012-08-20 | Railway locomotive integrated-control voice recording and analyzing equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107901951A (en) * | 2017-12-14 | 2018-04-13 | 西北铁道电子股份有限公司 | A kind of locomotive shunting device and method |
| CN112216269A (en) * | 2019-07-09 | 2021-01-12 | 中车株洲电力机车研究所有限公司 | Standard voice recognition device for locomotive driver operation and voice recognition method thereof |
-
2012
- 2012-08-20 CN CN 201220413774 patent/CN202728268U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107901951A (en) * | 2017-12-14 | 2018-04-13 | 西北铁道电子股份有限公司 | A kind of locomotive shunting device and method |
| CN112216269A (en) * | 2019-07-09 | 2021-01-12 | 中车株洲电力机车研究所有限公司 | Standard voice recognition device for locomotive driver operation and voice recognition method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20160820 |