Method for testing silent frame
A silent frame and speech frame technology, applied in speech analysis, instruments, digital transmission systems, etc., can solve problems such as inaccurate detection and achieve the effect of improving accuracy and precision
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[0049] The present invention is a method for detecting silent frames. The method sets a background noise energy value variable, and judges whether the background noise energy value variable needs to be changed according to the minimum energy of sampling points in the currently obtained data frame, and changes it when necessary. , and then use this background noise variable for silent frame detection. Since the present invention adopts the variable of background noise energy value and changes the value of the variable in real time according to the current needs, it can adapt to the current environment of silent frame detection and the needs of equipment, thereby making silent frame detection more accurate.
[0050] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0051] see figure 1, realizing the present invention needs the following steps:
[0052] Step 101: Divide the current data frame into data subframes;
[0053] ...
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