| Paper: | SPTM-P11.10 | ||
| 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: | SYNTHESIS OF HYBRID FILTER BANKS FOR A/D CONVERSION WITH IMPLEMENTATION CONSTRAINTS - MIXED DISTORTION/ALIASING OPTIMIZATION | ||
| Authors: | Tudor Petrescu; École Supérieure d'Electricité (Supélec) | ||
| Caroline Lelandais-Perrault; École Supérieure d'Electricité (Supélec) | |||
| Jacques Oksman; École Supérieure d'Electricité (Supélec) | |||
| Abstract: | This paper presents two methods of designing Hybrid Filter Banks (HFB) taking into account analog filters constraints resulting from the need of having very simple analog structures. Therefore standard resonators are considered for the analog analysis filters. They are seen as input data of the design process and are kept unmodified throughout the design procedure. Direct resolution of simplified perfect reconstruction conditions give primary synthesis filters which can be further optimized in order to minimize the reconstruction error. Mean aliasing of the designed HFB is below -80 dB and mean distortion is below 0.15 dB. | ||
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