Method and device for speech enhancement based on microphone array
A microphone array and voice enhancement technology, which is applied in voice analysis, telephone structure, instruments, etc., to achieve the effect of reducing the amount of calculation, suppressing echo and reverberation signals, and improving the experience of voice enhancement
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[0046] The present invention will further describe in detail the technical solutions claimed in this application in conjunction with the accompanying drawings and specific implementation methods.
[0047]The technical solution claimed by the present invention includes a microphone array-based voice enhancement method and a microphone array-based voice enhancement device, the method and device are used to enhance the voice signal / audio signal light signal and improve its The signal-to-noise ratio of the output achieves a better enhancement effect of the voice / audio signal, making the voice / audio signal clearer and easier for the receiver to listen to.
[0048] combine image 3 , Figure 4 and Figure 5 , the specific steps of the microphone array-based speech enhancement method claimed in the present invention are as follows:
[0049] Step 1: Process the following two signals separately:
[0050] 1) The digital signal is divided into one frame of 20ms, and the sampling rate...
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