Method for testing conducting anti-interference performance of network voice communication equipment
A technology of communication equipment and network voice, which is applied in the field of measurement and control, can solve the problems of anti-interference deviation and error, and achieve the effect of avoiding error, improving accuracy and strong practicability
Active Publication Date: 2011-02-16
SHENZHEN GONGJIN ELECTRONICS CO LTD
View PDF4 Cites 6 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0002] When the existing technology tests the anti-interference performance of network voice communication equipment conduction, it adopts the telephone set installed at both ends of the communication interface circuit of the equipment under test to keep talking, and then plays 1kHz noise on the side of the telephone set at one end. Then use the human ear to listen to the noise received by the other end of the telephone. Unnecessary signal processing and the differences of different telephones will produce certain errors. At the same time, when the human ear is used to answer the noise, due to the difference in human hearing, certain errors will also occur. These errors make the measurement of the device under test There is a large deviation in the conducted anti-interference performance, which brings great challenges to the development of this field
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0016] A test method for the conduction anti-interference performance of network voice communication equipment is realized by testing network voice communication equipment with at least two test user interface circuits on the basis of establishing a call between two telephone sets. The method is to connect two sets of telephones, two DC holders, signal injection equipment, supporting signal generating device 5 and supporting audio test equipment 4 to establish a test platform by means of two test user interface circuits on the equipment under test 7, Through the quantitative analysis of the demodulation performance of the device under test 7, the anti-interference performance of the device under test 7 is judged, and the specific steps are as follows:
[0017] a. Establish a call network channel with two telephone sets at both ends of the device under test 7, and use two DC maintainers to connect respectively to the two signal injection devices to maintain the call network chan...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention relates to a method for testing the conducting anti-interference performance of network voice communication equipment and aims to overcome the defect of large test result deviation of the anti-interference performance of tested equipment caused by the prior art. In the adopted technical scheme, the network voice communication equipment which is at least provided with two test user interface circuits is tested on the basis that a call is established between two telephones. In the method, a test platform is established by connecting two sets of telephones, two direct current retainers, signal input equipment, an assorted signal generating device and assorted audio test equipment through the two test user interface circuits on the tested equipment and the demodulating performance of the tested equipment is analyzed quantitatively, so that the anti-interference performance of the tested equipment is determined. An error caused by sound-power conversion and the difference of human ears in the prior art is avoided and the accuracy of the conducting anti-interference performance of the network voice communication equipment is enhanced.
Description
technical field [0001] The invention belongs to the field of measurement and control, and relates to the test of network voice communication equipment, in particular to a test method for the conduction anti-interference performance of network voice communication equipment. Background technique [0002] When the existing technology tests the anti-interference performance of network voice communication equipment conduction, it adopts the telephone set installed at both ends of the communication interface circuit of the equipment under test to keep talking, and then plays 1kHz noise on the side of the telephone set at one end. Then use the human ear to listen to the noise received by the other end of the telephone. Unnecessary signal processing and the differences of different telephones will produce certain errors. At the same time, when the human ear is used to answer the noise, due to the difference in human hearing, certain errors will also occur. These errors make the meas...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): H04M3/22H04M3/26
Inventor 高方成
Owner SHENZHEN GONGJIN ELECTRONICS CO LTD