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short frame subband coding

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niloofar_1990

Joined Oct 19, 2020
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I am implementing a subband ADPCM codec, Fs=16 kHz, frame length 3ms, band1=50Hz-2kHz, band2= 2kHz-8kHz. I used the FIR filter for subband coding and %50 overlap. My reconstructed signal does not follow the input. why it happens and how can I fix it?
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