speech-compression

  1. N

    short frame subband coding

    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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