Changeset 695e171 for src/temporal/c_weighting.h
- Timestamp:
- Sep 6, 2015, 10:40:14 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, sampler
- Children:
- 3d30b90
- Parents:
- 65c352e (diff), 827267b (diff)
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src/temporal/c_weighting.h
r65c352e r695e171 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. … … 25 25 26 26 C-weighting filter coefficients 27 27 28 28 This file creates a C-weighting digital filter, which reduces low and high 29 29 frequencies and enhance the middle ones to reflect the ability of the human 30 30 hearing. 31 31 32 32 The implementation is based on the following standard: 33 33 34 34 - IEC/CD 1672: Electroacoustics-Sound Level Meters, IEC, Geneva, Nov. 1996, 35 35 for A- and C-weighting filters. 36 36 37 37 See also: 38 38 39 39 - <a href="http://en.wikipedia.org/wiki/A-weighting">A-Weighting on 40 40 Wikipedia</a> … … 43 43 - <a href="http://www.mathworks.com/matlabcentral/fileexchange/69">Christophe 44 44 Couvreur's 'octave' toolbox</a> 45 45 46 46 The coefficients in this file have been computed using Christophe Couvreur's 47 47 scripts in octave 3.0 (debian package 1:3.0.5-6+b2 with octave-signal … … 63 63 /** create new C-design filter 64 64 65 \param samplerate sampling frequency of the signal to filter. Should be one of 65 \param samplerate sampling frequency of the signal to filter. Should be one of 66 66 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000, 88200, 96000, and 67 67 192000 Hz … … 75 75 76 76 \param f filter object to get coefficients from 77 \param samplerate sampling frequency of the signal to filter. Should be one of 77 \param samplerate sampling frequency of the signal to filter. Should be one of 78 78 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000, 88200, 96000, and 79 79 192000 Hz
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