| Presentation | 1996/3/8 Finite Word Length Expression of FIR Digital Filter Coefficients using Error Spectrum Shaping, and the Reduction of Operational Error Takayuki JOHBA, Atsushi OGUMA, Masahiro IWAHASHI, Noriyoshi KAMBAYASHI, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Error Spectrum Shaping (ESS) is a technique to reduce the influence of the quantization error which occurs with the finite word length expression, this is realized by replacing a conventional rounding quantizer with the Error Feedback (EF) quantizer. Last time, we reported the way of reducing the operational error of the output of the filter by using ESS for the finite word length expression of the coefficients of the FIR digital filter. This is the way of considering coloredness of the input-signal and there is an effect in it especially to the picture and the sound signal processing system. This report finds out the optimal error feedback coefficient as noise variance becomes the smallest at, the filter output when applying ESS to the finite word length expression of the coefficients of the linear-phase filter. Moreover, the way of applying ESS to Transform Coding is described and it confirms an effect by the simulation. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | filter / quantization / finite word length / error spectrum shaping / linear-Phase / transform coding |
| Paper # | CAS95-131,DSP95-186,CS95-209 |
| Date of Issue |
| Conference Information | |
| Committee | CAS |
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| Conference Date | 1996/3/8(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | |
| Vice Chair | |
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| Assistant | |
| Paper Information | |
| Registration To | Circuits and Systems (CAS) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Finite Word Length Expression of FIR Digital Filter Coefficients using Error Spectrum Shaping, and the Reduction of Operational Error |
| Sub Title (in English) | |
| Keyword(1) | filter |
| Keyword(2) | quantization |
| Keyword(3) | finite word length |
| Keyword(4) | error spectrum shaping |
| Keyword(5) | linear-Phase |
| Keyword(6) | transform coding |
| 1st Author's Name | Takayuki JOHBA |
| 1st Author's Affiliation | Faculty of Engineering, Nagaoka University of Technology() |
| 2nd Author's Name | Atsushi OGUMA |
| 2nd Author's Affiliation | Faculty of Engineering, Nagaoka University of Technology |
| 3rd Author's Name | Masahiro IWAHASHI |
| 3rd Author's Affiliation | Faculty of Engineering, Nagaoka University of Technology |
| 4th Author's Name | Noriyoshi KAMBAYASHI |
| 4th Author's Affiliation | Faculty of Engineering, Nagaoka University of Technology |
| Date | 1996/3/8 |
| Paper # | CAS95-131,DSP95-186,CS95-209 |
| Volume (vol) | vol.95 |
| Number (no) | 556 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |