Sound inspecting and compensating method based on machine vision technology
A technology of machine vision and compensation method, applied in the direction of electrical components, etc., can solve the problems of expensive detection equipment, incomplete detection, easy introduction of other interference, etc., and achieve the effect of less interference sources, low cost, and simple equipment
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[0023] A kind of audio system detection device of this embodiment, such as figure 1 As shown, it includes a sequentially connected camera 5 , screen element removal module 6 , screen division and arrangement module 7 , screen superposition module 8 , position extraction module 9 , spectrum analysis and comparison module 10 and frequency compensation module 3 . The spectrum analysis and comparison module 10 is connected to the sound source 1 , and the frequency compensation module 3 is connected in series between the power amplifier 2 and the speaker 4 .
[0024] The processing flow of the whole device is as follows: use a fluorescent pen to make a mark on the paper cone of the speaker 4, fix the speaker 4, align the lens of the camera 5 with the paper cone and fix it, the vibration direction of the fluorescent point on the paper cone is the same as that of the camera 5 The direction of the lens is vertical, a standard sound source disc is used to play, and the camera 5 is shoo...
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