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Topic: STFT and MDCT (Read 3717 times) previous topic - next topic
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STFT and MDCT

What is practical difference between short-time Fourier transform (STFT) and modified discrete cosine transform (MDCT) which is lapped. How its work with time-frequency analyse?

STFT and MDCT

Reply #2 –
MDCT is critically sampled, i.e. suitable for compression. STFT is more flexible with a choice of weighting windows, allows better sidelobe attenuation.