Television machine vibration test method

Abstract

The invention discloses a television machine vibration test method, which comprises the steps that: (1) a tested television plays standard sweep frequency sound signals in a sampling workshop environment, a first sampling module and a second sampling module acquires signals in at least one standard sweep frequency sound signal period simultaneously, the two paths of signals are subjected to analog-to-digital conversion through an analog-to-digital conversion module and then sent to a difference operation module, the difference operation module performs difference operation to obtain a structure abnormal sound signal; (2) and the obtained structure abnormal sound signal is compared with a threshold value, and a conclusion whether the machine vibration test is qualified or not is obtained and output. According to the television machine vibration test method, composite signals and background noise signals are acquired respectively through arranging two paths of acquisition modules, the structure abnormal sound signal which is capable of reflecting machine vibration condition can be obtained after difference operation through the difference operation module, the machine vibration condition is analyzed through comparing and analyzing the structure abnormal sound signal, the machine vibration test efficiency and accuracy are improved, and the test manpower cost is greatly reduced.

Description

technical field [0001] The invention belongs to the technical field of television testing, and in particular relates to a method for testing television set shakes. Background technique [0002] The current TV set test specifications require the test of whether there is organic vibration, but the current test of machine vibration is based on the subjective evaluation of the human ear, which is time-consuming, laborious, inefficient, and the accuracy of judgment is low, which will cause organic vibration and abnormal noise. The introduction of TV sets into the market has caused indelible image loss to the company and brand. Based on this, how to invent a TV shake test method, which can conduct industrial intelligent tests on TV shake, and improve the efficiency and accuracy of the shake test. Sexuality is the technical problem that the present invention mainly solves. Contents of the invention [0003] In order to solve the technical problems of low efficiency and low reli...

AI Technical Summary

Problems solved by technology

[0002] The current TV set test specifications require the test of whether there is organic vibration, but the current test of machine vibration is based on the subjective evaluation of the human ear, which is time-consuming, laborious, inefficient, and the accuracy of judgment is low, which will cause organic vibration and abnormal noise. The introduction of TVs into the market has caused indelible image loss to the company and brand. Based on this, how to invent a TV camera vibration test method, which can conduct industrial intelligent testing of TV camera vibrations, and improve the efficiency and accuracy of camera vibration testing. Property is the technical problem that the present invention mainly solves

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