A system and method for eliminating echo and howling in network voice transmission
A sound transmission and echo technology, applied in voice analysis, instruments, etc., can solve the problems of reduced convergence speed, increased computational complexity, and large space occupation, to achieve the effect of eliminating echo and howling and ensuring audio quality
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[0022] Embodiments of the present invention will now be described with reference to the drawings, in which like reference numerals represent like elements.
[0023] Such as figure 1 , figure 2 As shown, a method for eliminating echo and howling in network sound transmission is applied to audio 1 and microphone 6, and the method includes the following processing steps:
[0024] Step 1.1: down-sampling the 48KHz audio signal input from the remote end in real time to obtain the first processed audio signal of 8KHz;
[0025] Step 1.2: down-sampling the mixed 48KHz audio signal of the sound from the audio system 1 collected by the microphone 6 and the sound input from the near-end in real time to obtain a second processed audio signal of 8KHz;
[0026] Step 1.3: Extracting and upsampling the audio signal related to the first processed audio signal in the second processed audio signal in real time to obtain a third processed audio signal with a set sampling rate;
[0027] Step 1...
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