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How window functions change in audio signal coding
How window functions change in audio signal coding
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机译:窗口功能如何在音频信号编码中变化
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摘要
The present invention is to reduce the pre-eco appearing in the coding method by changing the size and size of the window by analyzing the signal spectrum in the block of the window function used when coding the audio signal into the tonal and non-tonal The present invention analyzes the signal spectrum of the input PCM signal and divides the window function into tonal and non-tonal, and changes the size and size of the window according to the tonal and non-tonal of the divided window function. This will reduce the echo.
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