Changeset 4598946 for src/temporal/filter.h
- Timestamp:
- Sep 2, 2015, 11:22:24 AM (9 years ago)
- Branches:
- feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master, pitchshift, sampler, timestretch, yinfft+
- Children:
- 0683ee2
- Parents:
- f549b98d
- File:
-
- 1 edited
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- Added
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src/temporal/filter.h
rf549b98d r4598946 1 1 /* 2 Copyright (C) 2003-201 3Paul Brossier <piem@aubio.org>2 Copyright (C) 2003-2015 Paul Brossier <piem@aubio.org> 3 3 4 4 This file is part of aubio. … … 22 22 #define _AUBIO_FILTER_H 23 23 24 /** \file 24 /** \file 25 25 26 26 Digital filter … … 28 28 This object stores a digital filter of order \f$n\f$. 29 29 It contains the following data: 30 - \f$ n*1 b_i \f$ feedforward coefficients 31 - \f$ n*1 a_i \f$ feedback coefficients 30 - \f$ n*1 b_i \f$ feedforward coefficients 31 - \f$ n*1 a_i \f$ feedback coefficients 32 32 - \f$ n*c x_i \f$ input signal 33 33 - \f$ n*c y_i \f$ output signal … … 41 41 The function aubio_filter_do_outplace() computes the following output signal 42 42 \f$ y[n] \f$ from the input signal \f$ x[n] \f$: 43 43 44 44 \f{eqnarray*}{ 45 45 y[n] = b_0 x[n] & + & b_1 x[n-1] + b_2 x[n-2] + ... + b_P x[n-P] \\ … … 54 54 operation. 55 55 56 Some convenience functions are provided: 56 Some convenience functions are provided: 57 57 - new_aubio_filter_a_weighting() and aubio_filter_set_a_weighting(), 58 58 - new_aubio_filter_c_weighting() and aubio_filter_set_c_weighting(). … … 60 60 61 61 \example temporal/test-filter.c 62 62 63 63 */ 64 64 … … 164 164 165 165 /** delete a filter object 166 166 167 167 \param f filter object to delete 168 168
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