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| Paper: | SPTM-P11.9 |
| Session: | Filter Banks and Subband Coding |
| Time: | Friday, May 21, 09:30 - 11:30 |
| Presentation: |
Poster |
| Topic: |
Signal Processing Theory and Methods: Multi-rate Signal Processing & Wavelets |
| Title: |
HOW TO COMPLETE PARAUNITARY FILTER BANKS AND SIMULTANEOUSLY PRESERVE LINEAR PHASE? |
| Authors: |
Ying-Jui Chen; Massachusetts Institute of Technology | | |
| | Kevin Amaratunga; Massachusetts Institute of Technology | | |
| Abstract: |
In this paper, the completion of linear-phase paraunitary filter banks (LPPUFBs) is presented. The method assumes a given M-band LPPUFB-admissible scaling filter H0(z), and finds a parameterization such that the resulting M-1 bandpass/highpass filters Hi(z) and the given filter H0(z) form a LPPUFB. Results from completion of a general PUFB will be used in combination with the LP-generating dyadic-based structure, so that the scaling filter of the resulting LPPUFB is as prescribed and linear phase of the filter bank is guaranteed. |
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