STFT, Hamming Window, 75% Overlap

  • Perfect reconstruction
  • Oversampled by 4
  • Aliasing from side lobes only
  • Good channel isolation ( $ \approx 42$ dB)
  • Moderately robust to filter-bank modifications
This can be considered a ``telephone quality'' audio filter bank. It has been used many times to analyze/model speech signals.

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STFT, Kaiser Window, Beta=10, 90% Overlap
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STFT, Triangular Window, 50% Overlap