CN113645358A - Voice interface detection device, system and method - Google Patents
Voice interface detection device, system and method Download PDFInfo
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- CN113645358A CN113645358A CN202110907443.9A CN202110907443A CN113645358A CN 113645358 A CN113645358 A CN 113645358A CN 202110907443 A CN202110907443 A CN 202110907443A CN 113645358 A CN113645358 A CN 113645358A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention relates to a network communication technology, in particular to a voice interface detection device, a system and a method, which realize automatic test of voice ports, improve the test efficiency and solve the problems that the automatic test scheme in the prior art has limitation on the number of tested product ports and can not accurately position fault ports. The device includes: the simulation off-hook and power supply module is used for simulating the off-hook action of the telephone and providing working voltage for the voice rereading module after receiving a telephone ringing signal sent by the tested voice interface; the voice signal coupling loop is used for coupling the voice signal sent by the tested voice interface to the voice repeating module and coupling the voice signal played back by the voice repeating module to the tested voice interface; and the voice rereading module is used for recording the voice signal sent by the tested voice interface and playing back the audio after the recording is finished.
Description
Technical Field
The invention relates to a network communication technology, in particular to a voice interface detection device, a system and a method.
Background
In the era of popularization of the current mobile phone, the common wired telephone still has large-scale application. Local side equipment (such as SPC telephone exchange and the like) connected with the wired telephone still occupies a place in the communication field. Before the office equipment leaves the factory, a manufacturer needs to test the voice port of the equipment.
The conventional testing scheme is to connect each voice port of the device under test to a telephone, as shown in fig. 1, and perform testing by manually dialing a telephone, where the testing contents include ringing, off-hook, and voice call testing of the telephone. The scheme needs manual operation, the efficiency is very low, and particularly, the program controlled telephone exchange has more ports usually, and the defect of low test efficiency is more obvious when the ports are different from dozens to hundreds of ports.
For this reason, it is also proposed in the industry to improve the testing efficiency by an automated testing tool, for example, in a patent with patent publication No. CN101662542B entitled "an external Exchange Station interface testing system and testing method", it is disclosed that two voice interfaces (e.g., FXS (Foreign Exchange Station) interfaces) of the device under test 20 are interconnected by the test auxiliary device 10, and then the testing of the FXS interfaces is automatically completed according to a flow preset by software, as shown in fig. 2.
The automatic test scheme has the following defects: 1. the number of voice ports of the tested product must be even; 2. the two voice ports which are interconnected with each other are tested at each time, when the test is wrong, the fault port cannot be accurately positioned, and a certain port fault or two ports faults in the two ports needs to be further confirmed in other modes.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the device, the system and the method for detecting the voice interface are provided, so that the automatic testing of the voice port is realized, the testing efficiency is improved, and the problems that the number of the ports of a tested product is limited and the fault port cannot be accurately positioned in the automatic testing scheme in the prior art are solved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
in one aspect, the present invention provides a speech interface detection apparatus, including:
the simulation off-hook and power supply module is used for simulating the off-hook action of the telephone and providing working voltage for the voice rereading module after receiving a telephone ringing signal sent by the tested voice interface;
the voice signal coupling loop is used for coupling the voice signal sent by the tested voice interface to the voice repeating module and coupling the voice signal played back by the voice repeating module to the tested voice interface;
and the voice rereading module is used for recording the voice signal sent by the tested voice interface and playing back the audio after the recording is finished.
As a further optimization, the simulated off-hook and power supply module includes: the voltage detection circuit comprises a voltage detection chip, a rectifier bridge, a diode, a first resistor, a second resistor, a third resistor, a voltage stabilizing diode, a silicon controlled rectifier and a first capacitor;
the positive output end and the negative output end of the rectifier bridge are connected with the voice signal coupling circuit, the first resistor and the second resistor form a voltage division circuit and are connected between the positive output end and the negative output end of the rectifier bridge, and a voltage division point is connected with a power pin of the voltage detection chip through a diode; the power supply pin of the voltage detection chip is also grounded through a first capacitor; the control electrode of the silicon controlled rectifier is connected with the output pin of the voltage detection chip, and the positive electrode of the silicon controlled rectifier is connected with the positive electrode output end of the rectifier bridge through the voltage stabilizing diode and the third resistor in sequence; and the negative electrode of the controlled silicon is grounded.
As a further optimization, the voltage detection chip is a chip capable of detecting that when the voltage reaches a certain voltage threshold, a level jump occurs at an output pin.
As a further optimization, the speech signal coupling loop comprises: a second capacitor and a third capacitor; one end of the second capacitor is connected with the positive electrode output end of the rectifier bridge, and the other end of the second capacitor is connected with the voice rereading module; one end of the third capacitor is connected with the negative electrode output end of the rectifier bridge, and the other end of the third capacitor is connected with the voice repeating module.
As a further optimization, the voice rereading module comprises: the voice recording and playing chip, a fourth resistor and a fourth capacitor; the power pin of the voice recording and playing chip is connected with a third resistor; the recording/playing pin of the voice recording and playing chip is connected with the power pin through a fourth resistor and is connected with the grounding pin through a fourth capacitor; the positive audio input pin and the positive audio output pin of the voice recording and playing chip U2 are connected with a second capacitor; and the negative audio input pin and the negative audio output pin of the voice recording and playing chip are connected with a third capacitor.
As a further optimization, the voice recording and playing chip is a chip with recording and playing functions.
As a further optimization, when the detection of the tested voice interface is executed, the positive input end and the negative input end of the rectifier bridge are respectively and correspondingly connected with the positive line and the negative line of the tested voice interface.
In a second aspect, the present invention further provides a voice interface detection system, including the above detection apparatus, further including a device under test; the tested device is provided with at least one voice interface; the detection device is connected with only one voice interface during each test;
the tested device is used for sending a telephone ringing signal through the current tested voice interface, and sending a voice signal through the current tested voice interface after the tested voice interface detects that a line is off-hook;
and when receiving the voice signal of the audio playback fed back by the detection device, comparing the voice signal of the audio playback with the voice signal sent by the current tested voice interface, and if the voice signal of the audio playback is consistent with the voice signal sent by the current tested voice interface, the current tested voice interface passes the test, so that the test of a single voice interface is realized.
In a third aspect, the present invention further provides a voice interface detection method, which is applied to the detection system, and the method includes the following steps:
a. the tested device sends a telephone ringing signal through the current tested voice interface;
b. after receiving a telephone ringing signal, the detection device simulates the telephone off-hook action;
c. after the tested device detects that the line is off-hook, sending a voice signal through the current tested voice interface;
d. after receiving a voice signal, a detection device records the voice signal;
e. the detection device carries out audio playback after the recording is finished;
f. and when the tested device receives the voice signal reproduced by the audio frequency of the detection device, comparing the voice signal reproduced by the audio frequency with the voice signal sent by the current tested voice interface, and if the voice signal reproduced by the audio frequency is consistent with the voice signal sent by the current tested voice interface, the current tested voice interface passes the test.
As a further optimization, in step c, after the device under test detects that the line is off-hook, the device under test sends out the voice template signal through the current voice interface under test by calling a preset voice template signal.
The invention has the beneficial effects that:
(1) the detection can be carried out only by connecting the detection device with the voice interface of the tested equipment, and the detection efficiency can be improved by adopting an automatic test flow compared with a manual calling test mode;
(2) because the detection device is only connected with one tested voice interface in each test, the test of a single interface is realized, the number of the ports of the tested equipment is not limited, the application range is wider, the port fault can be accurately positioned, and the secondary fault positioning is not needed;
(3) the detection device is a passive detection device, and the working power supply is from the tested voice interface, so that the design complexity and the hardware cost can be reduced.
Drawings
FIG. 1 is a schematic diagram of a port connection of a device under test in a manual dial detection scheme in the prior art;
FIG. 2 is a schematic diagram illustrating a port connection of a device under test in an automated testing scheme using test assistance equipment according to the prior art;
fig. 3 is a block diagram of a voice interface detection apparatus according to embodiment 1 of the present invention;
fig. 4 is a circuit configuration diagram of a voice interface detection apparatus according to embodiment 1 of the present invention;
fig. 5 is a schematic diagram of a voice interface detection system according to embodiment 2 of the present invention;
fig. 6 is a flowchart of a voice interface detection method according to embodiment 2 of the present invention;
the labels in the figure are: u1 is a voltage detection chip, U2 is a voice recording and playing chip, R1 is a first resistor, R2 is a second resistor, R3 is a third resistor, R4 is a fourth resistor, C1 is a first capacitor, C2 is a second capacitor, C3 is a third capacitor, C4 is a fourth capacitor, D1 is a rectifier bridge, D2 is a diode, VD1 is a zener diode, and SCR1 is a thyristor.
Detailed Description
The invention aims to provide a voice interface detection device, a voice interface detection system and a voice interface detection method, which are used for realizing automatic testing of voice ports, improving the testing efficiency and solving the problems that the automatic testing scheme in the prior art has limitation on the number of the ports of a tested product and can not accurately position a fault port. The core idea is as follows: a passive single-interface voice interface detection device is designed, and when the detection device is detected each time, the detection device is only required to be connected with a voice interface of a tested device, and then an automatic test is executed: the current tested voice interface of the tested device sends a telephone ringing signal, after receiving the ringing signal, the detection device simulates the telephone off-hook action and obtains the required working voltage, and after detecting the line off-hook, the current tested voice interface actively sends a voice signal. The detection device records the voice signals, and after the recording is finished, the recorded signals are reproduced again and fed back to the current tested voice interface. And the tested device compares the sent voice signal with the received voice signal, and if the voice signals are consistent, the tested device indicates that the tested voice interface passes the test.
Example 1:
as shown in fig. 3, the voice interface detecting apparatus provided in this embodiment includes: the system comprises an analog off-hook and power supply module, a voice signal coupling module and a voice repeating module; the simulation off-hook and power supply module is electrically connected with the voice repeating module, and the voice signal coupling module is electrically connected with the voice repeating module; when the detection device is applied, the simulated off-hook and power supply module is connected with the voice interface; each module is specifically described as follows:
the simulation off-hook and power supply module is used for simulating the off-hook action of the telephone and providing working voltage for the voice rereading module after receiving a telephone ringing signal sent by the tested voice interface;
the voice signal coupling loop is used for coupling the voice signal sent by the tested voice interface to the voice repeating module and coupling the voice signal played back by the voice repeating module to the tested voice interface;
and the voice rereading module is used for recording the voice signal sent by the tested voice interface and playing back the audio after the recording is finished.
An example of the circuit structure of the detection apparatus is shown in fig. 4, where the analog off-hook and power supply module includes: the voltage detection circuit comprises a voltage detection chip U1, a rectifier bridge D1, a diode D2, a first resistor R1, a second resistor R2, a third resistor R3, a voltage stabilizing diode VD1, a silicon controlled rectifier SCR1 and a first capacitor C1; the positive output end and the negative output end of the rectifier bridge D1 are connected with a voice signal coupling circuit, the first resistor R1 and the second resistor R2 form a voltage division circuit, the voltage division circuit is connected between the positive output end and the negative output end of the rectifier bridge D1, and a voltage division point is connected with a power supply pin of a voltage detection chip U1 through a diode D2; the power pin of the voltage detection chip U1 is also grounded through a first capacitor C1; the control electrode of the controlled silicon SCR1 is connected with the output pin of the voltage detection chip U1, and the anode of the controlled silicon SCR1 is connected with the anode output end of the rectifier bridge D1 through a voltage stabilizing diode VD1 and a third resistor R3 in sequence; the negative electrode of the thyristor SCR1 is grounded.
The voice signal coupling loop comprises: a second capacitor C2 and a third capacitor C3; one end of the second capacitor C2 is connected with the positive electrode output end of the rectifier bridge D1, and the other end of the second capacitor C2 is connected with the voice repeating module; one end of the third capacitor C3 is connected with the negative output end of the rectifier bridge D1, and the other end of the third capacitor C3 is connected with the voice repeating module.
The voice repeating module comprises: a voice recording and playing chip U2, a fourth resistor R4 and a fourth capacitor C4; the power pin of the voice recording and playing chip U2 is connected with a third resistor R3; the recording/playing pin REC/PLAY of the voice recording and playing chip U2 is connected with the power pin of U2 through a fourth resistor R4 and connected with the ground pin GND through a fourth capacitor C4; the positive audio input pin MIC + and the positive audio output pin SP + of the voice recording and playing chip U2 are connected with a second capacitor C2; and a negative audio input pin MIC-and a negative audio output pin SP of the voice recording and playing chip U2 are connected with a third capacitor C3.
In specific implementation, the voltage detection chip U1 is a chip capable of detecting that when a voltage reaches a certain voltage threshold, a level transition occurs at an output pin, such as PT7M7809 steax. The chip has the functions of reaching the voltage threshold and delaying the triggering (delaying for 200 milliseconds), and the circuit can be more stable through delaying the triggering. The voice recording and playing chip U2 is a chip with recording and playing functions, and if ISD1110 is adopted, the chip has the characteristics of interference resistance, high recording and playing tone quality, multiple times of repeated recording and playing, power-off voice data protection and the like.
The working principle of the detection device is as follows: the tested voice interface is connected with the detection device through a TIP (positive line) and a RING (negative line), and under the normal standby condition, the tested voice interface has a 48V feed voltage and supplies power to the whole device through a rectifier bridge D1. The 48V voltage is divided by the first resistor R1 and the second resistor R2, and because the voltage on the second resistor R2 is less than 3V, the pin 2 of the voltage detection chip U1 outputs low voltage, the silicon controlled rectifier SR1 is in a cut-off state, and the whole detection device does not work.
When the tested voice interface actively sends out telephone ringing, the ringing voltage is superposed with the standby feed voltage, the voltage is divided by the first resistor R1 and the second resistor R2, the voltage on the second resistor R2 exceeds 3V, the voltage is rectified by the diode D2 and the first capacitor C1 and then supplied to the voltage detection chip U1, the 2 pin of the voltage detection chip U1 outputs high level, and the silicon controlled rectifier SCR1 is conducted. After the SCR1 is turned on, the whole loop forms loop current, and when the tested voice interface detects that the loop has current, the line is considered to be off-hook, and the current tested voice interface stops ringing. Because the SCR1 has the characteristic of keeping on continuously after the SCR is triggered to be switched on, even if ringing is stopped, the SCR1 still keeps on continuously, the whole loop keeps current, and the feeding voltage can be supplied to the voice recording and playing chip U2 for use after being stabilized by the voltage stabilizing diode VD 1.
After the tested voice interface detects that the line is off-hook, actively sending out an audio signal; the audio signal is coupled to the voice recording and playing chip U2 through the second capacitor C2 and the third capacitor C3, and is recorded by the voice recording and playing chip U2. The 6 feet of the voice recording and playing chip U2 switch the recording and playing, the level of the 6 feet switches through the charging delay circuit formed by the fourth resistor R4 and the fourth capacitor C4. After a period of time, the low level of the pin 6 is changed into the high level, the voice recording and playing chip U2 is switched from the recording state to the playing state, the recording signal is played and coupled to the tested voice interface through the second capacitor C2 and the third capacitor C3, the voice signal received by the tested voice interface is compared with the sent voice signal by the detection device, and if the voice signal received by the tested voice interface is consistent with the sent voice signal, the tested voice interface passes the test.
Example 2:
the voice interface detection system provided by the embodiment comprises a voice interface detection device and detected equipment, wherein the detected equipment is provided with a plurality of voice interfaces; at each test, the detection device is connected with only one voice interface, as shown in fig. 5; the detected equipment is used for sending a telephone ringing signal through the current detected voice interface, and sending a voice signal through the current detected voice interface after detecting that a line is off-hook; and when receiving the voice signal of the audio playback fed back by the detection device, comparing the voice signal of the audio playback with the voice signal sent by the current tested voice interface, and if the voice signal of the audio playback is consistent with the voice signal sent by the current tested voice interface, the current tested voice interface passes the test.
In addition, based on the above detection system, this embodiment further provides a voice interface detection method, where the flow is shown in fig. 6, and the method includes the following steps:
(1) the tested device sends a telephone ringing signal through the current tested voice interface;
(2) after receiving a telephone ringing signal, the detection device simulates the telephone off-hook action;
(3) after the tested device detects that the line is off-hook, sending a voice signal through the current tested voice interface;
(4) after receiving a voice signal, a detection device records the voice signal;
(5) the detection device carries out audio playback after the recording is finished;
(6) and when the tested device receives the voice signal reproduced by the audio frequency of the detection device, comparing the voice signal reproduced by the audio frequency with the voice signal sent by the current tested voice interface, and if the voice signal reproduced by the audio frequency is consistent with the voice signal sent by the current tested voice interface, the current tested voice interface passes the test.
Claims (10)
1. A voice interface detecting apparatus, comprising:
the simulation off-hook and power supply module is used for simulating the off-hook action of the telephone and providing working voltage for the voice rereading module after receiving a telephone ringing signal sent by the tested voice interface;
the voice signal coupling loop is used for coupling the voice signal sent by the tested voice interface to the voice repeating module and coupling the voice signal played back by the voice repeating module to the tested voice interface;
and the voice rereading module is used for recording the voice signal sent by the tested voice interface and playing back the audio after the recording is finished.
2. The detection device of claim 1, wherein the analog off-hook and power supply module comprises: the circuit comprises a voltage detection chip (U1), a rectifier bridge (D1), a diode (D2), a first resistor (R1), a second resistor (R2), a third resistor (R3), a voltage stabilizing diode (VD1), a silicon controlled rectifier (SCR1) and a first capacitor (C1);
the positive output end and the negative output end of the rectifier bridge (D1) are connected with a voice signal coupling circuit, the first resistor (R1) and the second resistor (R2) form a voltage division circuit, the voltage division circuit is connected between the positive output end and the negative output end of the rectifier bridge (D1), and a voltage division point is connected with a power supply pin of a voltage detection chip (U1) through a diode (D2); the power supply pin of the voltage detection chip (U1) is also grounded through a first capacitor (C1); the control electrode of the controlled silicon (SCR1) is connected with the output pin of a voltage detection chip (U1), and the anode of the controlled silicon (SCR1) is connected with the anode output end of a rectifier bridge (D1) through a voltage stabilizing diode (VD1) and a third resistor (R3) in sequence; the negative electrode of the silicon controlled rectifier (SCR1) is grounded.
3. The detection device as claimed in claim 2, wherein the voltage detection chip (U1) is a chip capable of detecting a level transition at an output pin when a voltage reaches a certain voltage threshold.
4. The detection apparatus of claim 2, wherein the voice signal coupling loop comprises: a second capacitance (C2) and a third capacitance (C3); one end of the second capacitor (C2) is connected with the positive electrode output end of the rectifier bridge (D1), and the other end of the second capacitor is connected with the voice repeating module; one end of the third capacitor (C3) is connected with the negative output end of the rectifier bridge (D1), and the other end of the third capacitor is connected with the voice repeating module.
5. The detection apparatus of claim 4, wherein the voice transcription module comprises: a voice recording and playing chip (U2), a fourth resistor (R4) and a fourth capacitor (C4); the power pin of the voice recording and playing chip (U2) is connected with a third resistor (R3); the recording/playing pin of the voice recording and playing chip (U2) is connected with the power pin of the chip through a fourth resistor (R4) and is connected with the grounding pin of the chip through a fourth capacitor (C4); the positive audio input pin and the positive audio output pin of the voice recording and playing chip (U2) are connected with a second capacitor (C2); and a negative audio input pin and a negative audio output pin of the voice recording and playing chip (U2) are connected with a third capacitor (C3).
6. The detecting device according to claim 5, characterized in that the voice recording and playing chip (U2) is a chip with recording and playing functions.
7. The testing device according to any one of claims 1-6, characterized in that, when testing the tested voice interface, the positive input terminal and the negative input terminal of the rectifier bridge (D1) are connected to the positive line and the negative line of the tested voice interface, respectively.
8. A speech interface detection system comprising the detection apparatus of any one of claims 1-6, further comprising a device under test; the tested device is provided with at least one voice interface; the detection device is connected with only one voice interface during each test;
the tested device is used for sending a telephone ringing signal through the current tested voice interface, and sending a voice signal through the current tested voice interface after detecting that a line is off-hook;
and when receiving the voice signal of the audio playback fed back by the detection device, comparing the voice signal of the audio playback with the voice signal sent by the current tested voice interface, and if the voice signal of the audio playback is consistent with the voice signal sent by the current tested voice interface, the current tested voice interface passes the test.
9. A voice interface detection method applied to the detection system according to claim 8, the method comprising the steps of:
a. the tested device sends a telephone ringing signal through the current tested voice interface;
b. after receiving a telephone ringing signal, the detection device simulates the telephone off-hook action;
c. after the tested device detects that the line is off-hook, sending a voice signal through the current tested voice interface;
d. after receiving a voice signal, a detection device records the voice signal;
e. the detection device carries out audio playback after the recording is finished;
f. and when the tested device receives the voice signal reproduced by the audio frequency of the detection device, comparing the voice signal reproduced by the audio frequency with the voice signal sent by the current tested voice interface, and if the voice signal reproduced by the audio frequency is consistent with the voice signal sent by the current tested voice interface, the current tested voice interface passes the test.
10. The detection method according to claim 9, wherein the step c specifically comprises:
after the tested device detects that the line is off-hook, the preset voice template signal is called, and the voice template signal is sent out through the current tested voice interface.
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| CN115695657A (en) * | 2022-10-28 | 2023-02-03 | 广州芯德通信科技股份有限公司 | Method, device and system for detecting low-noise power supply of voice gateway by utilizing frequency spectrum test |
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