CN110300036A - Speech path network time-delay test method and test macro - Google Patents
Speech path network time-delay test method and test macro Download PDFInfo
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- CN110300036A CN110300036A CN201910553826.3A CN201910553826A CN110300036A CN 110300036 A CN110300036 A CN 110300036A CN 201910553826 A CN201910553826 A CN 201910553826A CN 110300036 A CN110300036 A CN 110300036A
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- speech path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0852—Delays
Abstract
This application discloses a kind of speech path network delay test systems, including calling communication devices, called communication device, signal generating apparatus, signal recorder and measuring device.Calling communication devices and called communication device are connected, and speech path network is established.Signal generating apparatus generates voice signal.Signal recorder record voice signal is transmitted to the first time of signal recorder from signal generating apparatus and voice signal transmits through calling communication devices from signal generating apparatus generation and passes through called communication device loudspeaker and exports to by signal recorder received second time；Measuring device measurement determines the delay of speech path network with the difference of the second time at the first time.In the test macro of the application embodiment, test macro composition is simple, as a result accurately and reliably, save the cost.Disclosed herein as well is a kind of speech path network time-delay test methods.
Description
Technical field
This application involves field of communication technology, in particular to a kind of speech path network time-delay test method and test macro.
Background technique
The routine test of user experience one of of the speech quality test as evaluation communication equipment, wherein evaluation call language
Sound delay is to measure an important indicator of speech quality.In the related technology, delay quantitative analysis can't be done in test, and
It is evaluated from subjective point merely, it is not objective enough.
Apply for content
In view of this, embodiments herein provides a kind of speech path network time-delay test method and test macro.
This application provides a kind of speech path network delay test systems, comprising:
Calling communication devices；
Called communication device, the calling communication devices and the called communication device are connected, and speech path network is established, described
Called communication device opens loudspeaker into outer mode playback after establishing speech path network；
Signal generating apparatus, for generating voice signal, the voice signal is inputted and is passed through from the calling communication devices
The speech path network is propagated to be exported from the called communication device；
Signal recorder is transmitted to the signal record from the signal generating apparatus for recording the voice signal
The first time of equipment；
The signal recorder is also used to record the voice signal and generates from the signal generating apparatus through the master
It makes communication equipment transmit and passes through the called communication device loudspeaker and export to by the signal recorder received second
Time；
Measuring device, for measuring the difference of the first time and second time with the determination speech path network
Delay.
In some embodiments, the voice signal is periodic pulse signal.
In some embodiments, the speech path network delay test system further include:
Bluetooth communication equipment, the Bluetooth communication equipment be used for the calling communication devices bluetooth connection with the quilt
Communication equipment is made to establish the speech path network, the Bluetooth communication equipment is for receiving the voice signal and being transmitted to the master
It is communication equipment.
In some embodiments, the signal recorder is also used to record the voice signal and occurs from the signal
Equipment, which is generated, is transmitted to the calling communication devices through the Bluetooth communication equipment and by the called communication device loudspeaker
Output is to by the signal recorder received third time.
In some embodiments, the measuring device is also used to measure the difference of the first time and the third time
Value is with the delay of the determination speech path network.
In some embodiments, the signal generating apparatus is placed close to the Bluetooth communication equipment.
This application provides a kind of speech path network time-delay test methods, are used for speech path network delay test system, described logical
Telephone network delay test system includes calling communication devices, called communication device, signal generating apparatus and signal recorder；Institute
Stating speech path network time-delay test method includes:
It connects the calling communication devices and the called communication device establishes speech path network, the called communication device exists
Loudspeaker is opened into outer mode playback after establishing speech path network；
Voice signal is generated by signal generating apparatus；
Record the first time that the voice signal is transmitted to the signal recorder from the signal generating apparatus；
The voice signal is recorded to transmit from signal generating apparatus generation through the calling communication devices and pass through institute
Called communication device loudspeaker is stated to export to by the signal recorder received second time；
The difference of the first time and second time are measured by measuring device with the determination speech path network
Delay.
In some embodiments, the voice signal is periodic pulse signal.
In some embodiments, the speech path network delay test system further includes Bluetooth communication equipment, the connection
The calling communication devices establish speech path network with the called communication device
The calling communication devices and the Bluetooth communication equipment are connected so that the Bluetooth communication equipment, the caller
Communication equipment and the called communication device establish the speech path network.
In some embodiments, described to record the voice signal from signal generating apparatus generation through the caller
When communication equipment transmits and passes through the called communication device loudspeaker and export to received by the signal recorder second
Between include:
It records the voice signal and is transmitted to the master through the Bluetooth communication equipment from signal generating apparatus generation
It is communication equipment and is exported by the called communication device loudspeaker to by the signal recorder received third time.
In some embodiments, the difference that the first time and second time are measured by measuring device
Delay with the determination speech path network includes:
The difference of the first time and the third time are measured by measuring device with the determination speech path network
Delay.
In some embodiments, the signal generating apparatus is placed close to the Bluetooth communication equipment.
In the speech path network delay test system and test method of the application embodiment, after establishing communication connection, quilt
Letter opening of device loudspeaker is called into outer mode playback, the first time of signal recorder is traveled to by recording voice signal
The time difference of the second time exported by the loudspeaker of called communication device, the time are propagated through speech path network with the voice signal
Difference that is to say the delay time of speech path network, and test method is simple and efficient, as a result accurately and reliably, meanwhile, test macro composition letter
It is single, without increasing additional equipment, save the cost.
Detailed description of the invention
The application is above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, in which:
Fig. 1 is the composition schematic diagram of the speech path network delay test system of the application certain embodiments；
Fig. 2 is the flow diagram of the speech path network time-delay test method of the application certain embodiments；
Fig. 3 is the composition schematic diagram of the speech path network delay test system of the application certain embodiments.
Fig. 4 is the flow diagram of the speech path network time-delay test method of the application certain embodiments.
Specific embodiment
Embodiments herein is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the application, and should not be understood as the limitation to the application.
Routine test of the audio subjective testing as evaluation user experience, evaluation call voice delay is to measure speech quality
An important indicator.Usually in test, delay quantitative analysis can't be done.It is evaluated from subjective point merely, it is difficult to define the level.It is special
Not, in intelligent automobile application scenarios, since there are larger differences for controlled vehicle-mounted electrical integrated unit and cell phone system.For example, hand
Machine carries communication module, but onboard system generally without.Therefore, for voice service, onboard system usually requires to pass through indigo plant
Tooth connects user communication terminal, such as mobile phone, and voice send telephone system by vehicle-mounted uplink, by coding and decoding, speech processes, then
It goes out by bluetooth wireless transmission.After the bluetooth of communication terminal receives, by speech processes, communication module, radiofrequency signal is sent
To opposite end.This process path is longer relative to the path that mobile phone terminal and opposite end are conversed, and is delayed also longer.In addition, people are to a
The attention of people's privacy, many communication terminals can carry voice encryption module, this can also increase mouth-to-ear delay to a certain extent.Such as
What evaluation on-vehicle Bluetooth speech path network delay index is also just at an essential part.
Referring to Fig. 1, the application provides a kind of speech path network delay test system 1000.Test macro 1000 includes caller
Communication equipment 100, called communication device 200, signal generating apparatus 300, signal recorder 400 and measuring device 500.Its
In, calling communication devices 100 and called communication device 200 are connected, and speech path network is established.Called communication device 200 is logical in foundation
Loudspeaker is opened after telephone network enters outer mode playback.Signal generating apparatus 300 is for generating voice signal, and voice signal is from caller
The input of communication equipment 100 is simultaneously propagated through speech path network from the output of called communication device 200.Signal recorder 400 is for recording
Voice signal is transmitted to the first time T1 of signal recorder 400 from signal generating apparatus 300.Signal recorder 400 is also
It is transmitted through calling communication devices 100 from the generation of signal generating apparatus 300 for recording voice signal and passes through called communication device
200 loudspeaker exports and by the received second time T2 of signal recorder 400.When measuring device 500 is for calculating first
Between the difference of T1 and the second time T2 with the delay of the determination speech path network.
Referring to Fig. 2, the application, embodiment further provides a kind of speech path network time-delay test method, which uses
In speech path network delay test system 1000.Speech path network time-delay test method includes:
S10: connecting calling communication devices 100 and called communication device 200 establishes speech path network, called communication device 200
Loudspeaker is opened after establishing speech path network enters outer mode playback；
S20: voice signal is generated by signal generating apparatus 300；
S30: record voice signal is transmitted to the first time of signal recorder 400 from signal generating apparatus 300；
S40: record voice signal is generated from signal generating apparatus 300 to be transmitted through calling communication devices 100 and by called
200 loudspeaker of communication equipment is exported to by received second time of signal recorder 400；
S50: the delay of speech path network is determined with the difference of the second time at the first time by the measurement of measuring device 500.
The speech path network time-delay test method of the application embodiment can be prolonged by the speech path network of the application embodiment
When test macro 1000 realize.
In the speech path network delay test system 1000 and test method of the application embodiment, communicated to connect establishing
Afterwards, called communication device 200 opens loudspeaker into outer mode playback, travels to signal recorder by recording voice signal
300 first time T1 and the voice signal are propagated through speech path network by the second of the loudspeaker output of called communication device 200
The time difference of time T2, the time difference that is to say the delay time of speech path network, and test method is simple and efficient, and as a result accurately may be used
It leans on, meanwhile, test macro composition is simple, without increasing additional equipment, save the cost.
Specifically, calling communication devices 100 and called communication device 200 are the communication equipments with communication function, internal
It is provided with modem.Specifically, calling communication devices 100 and called communication device 200 can be mobile phone.Caller and by
It is the signal flow for showing established communication network, rather than the limitation to communication equipment.Generally, calling communication devices 100
It that is to say a side of signal exhalation, and called communication device 200 is then a side of signal access.Called communication device 200 is connected
Speech path network is established with caller device 100 afterwards.
Called communication device 200 opens loudspeaker after speech path network foundation, into outer mode playback, in this way, can make
Voice signal can be received preferably by signal recorder.
Signal generating apparatus 300 can be any equipment that can generate voice signal, it is not limited here.Generally, exist
In practical call scene, the source of voice signal is usually user.
Signal recorder 400 can be equipment with SoundRec function, such as recording pen, mobile phone etc., herein not
It limits.
The voice signal that measuring device 500 can record signal recorder 400 be analyzed, so that it is determined that when first
Between T1 and the second time T2 difference namely speech path network delay.For example, measuring device 500 will be in signal recorder 400
The voice signal of record is analyzed, and is determined by the feature of voice signal and is propagated to signal note by signal generating apparatus 100
The voice signal of recording apparatus 400 and the sound letter that signal recorder 400 is propagated to by the output of called communication device 200
Number.For example, can be determined by the amplitude of voice signal, generally, the voice signal of direct input signal recording equipment 400
Amplitude relative to by signal processing and by loudspeaker play export voice signal amplitude it is larger.Further, according to
The time shaft of voice signal is the delay that can determine speech path network.
Generally, voice signal is received from being issued to, and the time it takes generally includes voice signal and propagates to caller
The time t1 of communication equipment, calling communication devices carry out the time t2 of speech processes, by speech path network by called communication device
Received t3, called communication device carry out the time t4 of speech processes.In other words, speech path network is always delayed are as follows: t1+t2+t3+
t4.It should be understood that these tiny periods, usual time are shorter, it has not been convenient to the time is directly recorded by timing device, this
Outside, timing is also relatively complicated stage by stage.
And for onboard system mouth-to-ear delay.Voice signal is received the time it takes and generally includes from being issued to
Voice signal propagates to the time t1 of vehicle mounted call unit, and vehicle mounted call unit carries out the time t2 of speech processes, leads to from vehicle-mounted
Telephone unit is transmitted to the t3 of the time of calling communication devices, and calling communication devices carry out the time t4 of speech processes, pass through call
Network carries out the time t6 of speech processes by the received t5 of called communication device, called communication device.In other words, speech path network
Total delay are as follows: t1+t2+t3+t4+t5+t6.
In presently filed embodiment, by signal recorder 400, record respectively, voice signal is propagated after generation
To the time of signal recorder 400 and voice signal by entire speech path network spread out of from called communication device 200 when
Between, the difference between the two that is to say the delay of entire speech path network.Test method no longer pays close attention to the tiny period, but enters from entirety
Hand is delayed by voice signal in the input and output of speech path network on the whole to determine.Test macro composition is simple, wherein signal
Occurrence of equipment 300 can be generated by user's operation, such as the operation such as percussion object.Signal recorder 400 then can use logical
Believe the sound-recording function substitution of equipment itself.Measuring device 500 can directly be found using the waveform diagram in sound-recording function corresponding
Voice signal, and according to time shaft determine speech path network be delayed.Therefore, it does not need to increase additional detection device cost.
Meanwhile measurement result is more accurate and reliable.
In the present embodiment, the voice signal that signal generating apparatus 300 generates is periodic pulse signal.Recurrent pulse letter
Number there is certain regularity relative to single random signal, facilitate it is subsequent determine corresponding voice signal from record, meanwhile,
Periodic sound signals also can effectively avoid single random signal accident that may be present in testing.Ensure that sound
The validity of signal.
Referring to Fig. 3, speech path network delay test system 100 further includes Bluetooth communication equipment in certain implementation methods
600。
Bluetooth communication equipment 600 is used for logical to establish with called communication device 200 with 100 bluetooth connection of calling communication devices
Telephone network.Bluetooth communication equipment 600 is for receiving voice signal and being transmitted to calling communication devices 1000.
Referring to Fig. 4, in some embodiments, S10 includes:
S11: connection calling communication devices 100 and Bluetooth communication equipment 600 are so that Bluetooth communication equipment 600, caller lead to
Letter equipment 100 and called communication device 200 establish speech path network.
Specifically, the Bluetooth communication equipment 600 in present embodiment can be by establishing bluetooth with calling communication devices 100
It connects and carries out talk business with called communication device.It should be noted that Bluetooth communication equipment 600 itself and do not have modulation
The communication modules such as demodulator, therefore, Bluetooth communication equipment 600 directly cannot carry out talk business with other communication equipments, make
For one side of reception of voice signal, the sound acoustical signal that sound source issues can receive, and calling communication is transferred to by bluetooth connection
Equipment 100 can also receive the input of called communication device 200 via speech path network and be transmitted to calling communication devices 100, Jin Ertong
It crosses bluetooth connection and is transmitted to Bluetooth communication equipment and answered by user.
Bluetooth communication equipment 600 can be bluetooth headset, Baffle Box of Bluetooth, vehicular platform with Bluetooth function module etc..
It in operation, can be direct via calling communication devices 100 or by calling communication devices by Bluetooth communication equipment 600
Talk business request is initiated to called communication device 200.
In such an embodiment, signal recorder 400 is also used to record voice signal from signal generating apparatus 300
Generate through Bluetooth communication equipment 600 be transmitted to calling communication devices 100 and by the loudspeaker of called communication device 200 export to
By the received third time T3 of signal recorder 400.
Measuring device 500 is also used to measure the difference of first time T1 and third time T3 to determine prolonging for speech path network
When.
In such an embodiment, S40 includes:
S41: record voice signal generates from signal generating apparatus 300 and is transmitted to calling communication through Bluetooth communication equipment 600
Equipment 100 is simultaneously exported by 200 loudspeaker of called communication device to by the received third time T3 of signal recorder 400.
S50 includes:
S51: the difference of first time T1 and third time T3 is measured to determine prolonging for speech path network by measuring device 500
When.
Specifically, when in test macro 1000 including Bluetooth communication equipment 600, voice signal will be in signal generation apparatus
Bluetooth communication equipment 600, which is first passed through, after 300 generations is then transmitted to calling communication devices 100 using bluetooth connection.Sound letter
The talk business that number path experienced is directly carried out relative to two communication equipments is longer, is delayed also longer.Specifically, comprising
Increased time that calling communication devices 100 are transferred to from Bluetooth communication equipment 600.It is essentially identical with above-mentioned test method
It is in present embodiment, still to be considered from whole, and be not concerned with each stage of the voice signal in transmission process and specifically prolong
When situation.In this way, effectively Bluetooth communication equipment can be used as the call in the scene for receiving audible signaling devices user
Network delay is detected.
In the present embodiment, signal generating apparatus 300 is placed close to Bluetooth communication equipment 600.
It is to be appreciated that voice signal close to Bluetooth communication equipment 600 can attenuated signal as far as possible in transmission process
Decaying, to guarantee the validity of voice signal.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, program can be stored in a non-volatile computer readable storage medium storing program for executing
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, storage medium can be magnetic disk, light
Disk, read-only memory (Read-Only Memory, ROM) etc..
Above embodiments only express the several embodiments of the application, and the description thereof is more specific and detailed, but can not
Therefore it is interpreted as the limitation to the application the scope of the patents.It should be pointed out that for those of ordinary skill in the art,
Without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection model of the application
It encloses.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (12)
1. a kind of speech path network delay test system characterized by comprising
Calling communication devices；
Called communication device, the calling communication devices and the called communication device are connected, and speech path network is established, described called
Communication equipment opens loudspeaker into outer mode playback after establishing speech path network；
Signal generating apparatus, for generating voice signal, the voice signal inputs from the calling communication devices and described in passing through
Speech path network is propagated to be exported from the called communication device；
Signal recorder is transmitted to the signal recorder from the signal generating apparatus for recording the voice signal
First time；
The signal recorder is also used to record the voice signal and generates from the signal generating apparatus to be led to through the caller
Letter equipment, which is transmitted and passes through the called communication device loudspeaker, to be exported to by the signal recorder received second time；
Measuring device, for measuring difference the prolonging with the determination speech path network of the first time and second time
When.
2. speech path network delay test system according to claim 1, which is characterized in that the voice signal is period arteries and veins
Rush signal.
3. speech path network delay test system according to claim 1, which is characterized in that the speech path network delay test
System further include:
Bluetooth communication equipment, the Bluetooth communication equipment are used for the calling communication devices bluetooth connection to be called with described
Letter equipment establishes the speech path network, and the Bluetooth communication equipment is logical for receiving the voice signal and being transmitted to the caller
Believe equipment.
4. speech path network delay test system according to claim 3, which is characterized in that the signal recorder is also used
The calling communication is transmitted to through the Bluetooth communication equipment from signal generating apparatus generation in recording the voice signal
Equipment is simultaneously exported by the called communication device loudspeaker to by the signal recorder received third time.
5. speech path network delay test system according to claim 4, which is characterized in that the measuring device is also used to survey
The difference of the first time and the third time are measured with the delay of the determination speech path network.
6. Internet phone-calling delay test system according to claim 3, which is characterized in that the signal generating apparatus is close
The Bluetooth communication equipment is placed.
7. a kind of speech path network time-delay test method is used for speech path network delay test system, which is characterized in that the call net
Network delay test system includes calling communication devices, called communication device, signal generating apparatus and signal recorder；It is described logical
Telephone network time-delay test method includes:
It connects the calling communication devices and the called communication device establishes speech path network, the called communication device is being established
Loudspeaker is opened after speech path network enters outer mode playback；
Voice signal is generated by signal generating apparatus；
Record the first time that the voice signal is transmitted to the signal recorder from the signal generating apparatus；
The voice signal is recorded to transmit from signal generating apparatus generation through the calling communication devices and pass through the quilt
Letter device speaker is called to export to by the signal recorder received second time；
The difference of the first time and second time are measured by measuring device with the delay of the determination speech path network.
8. speech path network time-delay test method according to claim 7, which is characterized in that the voice signal is period arteries and veins
Rush signal.
9. speech path network time-delay test method according to claim 7, which is characterized in that the speech path network delay test
System further includes Bluetooth communication equipment, and the connection calling communication devices and the called communication device establish speech path network
Include:
The calling communication devices and the Bluetooth communication equipment are connected so that the Bluetooth communication equipment, the calling communication
Equipment and the called communication device establish the speech path network.
10. speech path network time-delay test method according to claim 9, which is characterized in that described to record the sound letter
It number is transmitted from signal generating apparatus generation through the calling communication devices and to pass through the called communication device loudspeaker defeated
Included: to the signal recorder received second time out
It records the voice signal and generates that be transmitted to the caller through the Bluetooth communication equipment logical from the signal generating apparatus
Letter equipment is simultaneously exported by the called communication device loudspeaker to by the signal recorder received third time.
11. speech path network time-delay test method according to claim 10, which is characterized in that described to be surveyed by measuring device
The difference for measuring the first time and second time includes: with the delay of the determination speech path network
The difference of the first time and the third time are measured by measuring device with the delay of the determination speech path network.
12. speech path network time-delay test method according to claim 9, which is characterized in that the signal generating apparatus leans on
The nearly Bluetooth communication equipment is placed.
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| CN111510344A (en) * | 2020-04-02 | 2020-08-07 | 中国信息通信研究院 | Method and device for determining forwarding delay of node |
| CN112489686A (en) * | 2020-12-02 | 2021-03-12 | 公安部第三研究所 | End-to-end audio signal delay testing method |
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