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MUS421/EE367B Lecture 9
Multirate, Polyphase, and Wavelet Filter Banks
Julius O. Smith III
(jos at ccrma)
, Scott Levine
and Harvey Thornburg
Center for Computer Research in Music
and Acoustics (CCRMA)
Department of Music,
Stanford University
Detailed Contents (and Navigation)
- Upsampling and Downsampling
- Polyphase Filtering
- Critically Sampled
Perfect Reconstruction
Filter Banks
- Perfect Reconstruction Filter Banks
- Paraunitary Filter Banks
- Modulated STFT Filter Bank
- Critically Sampled STFT Filter Bank
- Relationships bewteen OLA,LOT, & ELT
- Pseudo-QMF Cosine Modulation Filter Bank
- Perfect Reconstruction Cosine Modulated Filter Banks
- MPEG Layer III Filter Bank
- Geometric Signal Theory
- Wavelets
- Review of STFT Filterbanks
- STFT, rectangular window, no overlap
- STFT, rectangular window, 50% overlap
- STFT, triangular window, 50% overlap
- STFT, Hamming window, 75% overlap
- STFT, Kaiser window, Beta=10, 90 percent overlap
- Sliding FFT, any window, maximum overlap, zero-padded by 5
- References
- About this document ...
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