A-weighting filter (16kHz sampling) for SoX. Filter coefficient was picked up from FaNT (http://dnt.kr.hs-niederrhein.de/indexbd2f.html?option=com_content&view=article&layout=default&id=22&Itemid=15&lang=en)
| -1.6382357e-06 | |
| -1.2934910e-06 | |
| -1.7385587e-06 | |
| -1.3888608e-06 | |
| -1.8607494e-06 | |
| -1.5019314e-06 | |
| -2.0060450e-06 | |
| -1.6312799e-06 | |
| -2.1713256e-06 | |
| -1.7674181e-06 | |
| -2.3438207e-06 | |
| -1.8309434e-06 | |
| -2.5008428e-06 | |
| -1.9986466e-06 | |
| -2.6278900e-06 | |
| -2.1538604e-06 | |
| -2.8921719e-06 | |
| -2.3937852e-06 | |
| -3.2266221e-06 | |
| -2.6943428e-06 | |
| -3.6253145e-06 | |
| -3.0507522e-06 | |
| -4.0881743e-06 | |
| -3.4641669e-06 | |
| -4.6192077e-06 | |
| -3.9393221e-06 | |
| -5.2253031e-06 | |
| -4.4835132e-06 | |
| -5.9156418e-06 | |
| -5.1061270e-06 | |
| -6.7013635e-06 | |
| -5.8182256e-06 | |
| -7.5949695e-06 | |
| -6.6314414e-06 | |
| -8.6084136e-06 | |
| -7.5545151e-06 | |
| -9.7474348e-06 | |
| -8.5843287e-06 | |
| -1.0998501e-05 | |
| -9.5123118e-06 | |
| -1.2275144e-05 | |
| -1.0697707e-05 | |
| -1.3519617e-05 | |
| -1.1900826e-05 | |
| -1.5080674e-05 | |
| -1.3346547e-05 | |
| -1.6891618e-05 | |
| -1.5022834e-05 | |
| -1.8957029e-05 | |
| -1.6936753e-05 | |
| -2.1291059e-05 | |
| -1.9104871e-05 | |
| -2.3916618e-05 | |
| -2.1552123e-05 | |
| -2.6864817e-05 | |
| -2.4311450e-05 | |
| -3.0175015e-05 | |
| -2.7424142e-05 | |
| -3.3895450e-05 | |
| -3.0940663e-05 | |
| -3.8083927e-05 | |
| -3.4921073e-05 | |
| -4.2806773e-05 | |
| -3.9432665e-05 | |
| -4.8130861e-05 | |
| -4.4547959e-05 | |
| -5.4110641e-05 | |
| -4.9781081e-05 | |
| -6.0531466e-05 | |
| -5.5916291e-05 | |
| -6.7260773e-05 | |
| -6.2471078e-05 | |
| -7.5018452e-05 | |
| -6.9964294e-05 | |
| -8.3833553e-05 | |
| -7.8489896e-05 | |
| -9.3813004e-05 | |
| -8.8158972e-05 | |
| -1.0508612e-04 | |
| -9.9106007e-05 | |
| -1.1781066e-04 | |
| -1.1149480e-04 | |
| -1.3217771e-04 | |
| -1.2552361e-04 | |
| -1.4841748e-04 | |
| -1.4143187e-04 | |
| -1.6680726e-04 | |
| -1.5950964e-04 | |
| -1.8768220e-04 | |
| -1.8011049e-04 | |
| -2.1144734e-04 | |
| -2.0366775e-04 | |
| -2.3858298e-04 | |
| -2.3076412e-04 | |
| -2.6970431e-04 | |
| -2.6068439e-04 | |
| -3.0470598e-04 | |
| -2.9539153e-04 | |
| -3.4372547e-04 | |
| -3.3441055e-04 | |
| -3.8864336e-04 | |
| -3.7937085e-04 | |
| -4.4046553e-04 | |
| -4.3137871e-04 | |
| -5.0044145e-04 | |
| -4.9173817e-04 | |
| -5.7009788e-04 | |
| -5.6205602e-04 | |
| -6.5134093e-04 | |
| -6.4435206e-04 | |
| -7.4658367e-04 | |
| -7.4120025e-04 | |
| -8.5891976e-04 | |
| -8.5592508e-04 | |
| -9.9237016e-04 | |
| -9.9288457e-04 | |
| -1.1522407e-03 | |
| -1.1578865e-03 | |
| -1.3456457e-03 | |
| -1.3588154e-03 | |
| -1.5822673e-03 | |
| -1.6068612e-03 | |
| -1.8758951e-03 | |
| -1.9136171e-03 | |
| -2.2431308e-03 | |
| -2.3028597e-03 | |
| -2.7086945e-03 | |
| -2.8016113e-03 | |
| -3.3128457e-03 | |
| -3.4554588e-03 | |
| -4.1128850e-03 | |
| -4.3307405e-03 | |
| -5.1954680e-03 | |
| -5.5282360e-03 | |
| -6.6941327e-03 | |
| -7.2036258e-03 | |
| -8.8183744e-03 | |
| -9.6005282e-03 | |
| -1.1902644e-02 | |
| -1.3103694e-02 | |
| -1.6491125e-02 | |
| -1.8322423e-02 | |
| -2.3491695e-02 | |
| -2.6208083e-02 | |
| -3.4489664e-02 | |
| -3.8127744e-02 | |
| -5.2632400e-02 | |
| -5.4864159e-02 | |
| -8.8774525e-02 | |
| -1.2614848e-02 | |
| 1.0035687e+00 | |
| -1.2614848e-02 | |
| -8.8774525e-02 | |
| -5.4864159e-02 | |
| -5.2632400e-02 | |
| -3.8127744e-02 | |
| -3.4489664e-02 | |
| -2.6208083e-02 | |
| -2.3491695e-02 | |
| -1.8322423e-02 | |
| -1.6491125e-02 | |
| -1.3103694e-02 | |
| -1.1902644e-02 | |
| -9.6005282e-03 | |
| -8.8183744e-03 | |
| -7.2036258e-03 | |
| -6.6941327e-03 | |
| -5.5282360e-03 | |
| -5.1954680e-03 | |
| -4.3307405e-03 | |
| -4.1128850e-03 | |
| -3.4554588e-03 | |
| -3.3128457e-03 | |
| -2.8016113e-03 | |
| -2.7086945e-03 | |
| -2.3028597e-03 | |
| -2.2431308e-03 | |
| -1.9136171e-03 | |
| -1.8758951e-03 | |
| -1.6068612e-03 | |
| -1.5822673e-03 | |
| -1.3588154e-03 | |
| -1.3456457e-03 | |
| -1.1578865e-03 | |
| -1.1522407e-03 | |
| -9.9288457e-04 | |
| -9.9237016e-04 | |
| -8.5592508e-04 | |
| -8.5891976e-04 | |
| -7.4120025e-04 | |
| -7.4658367e-04 | |
| -6.4435206e-04 | |
| -6.5134093e-04 | |
| -5.6205602e-04 | |
| -5.7009788e-04 | |
| -4.9173817e-04 | |
| -5.0044145e-04 | |
| -4.3137871e-04 | |
| -4.4046553e-04 | |
| -3.7937085e-04 | |
| -3.8864336e-04 | |
| -3.3441055e-04 | |
| -3.4372547e-04 | |
| -2.9539153e-04 | |
| -3.0470598e-04 | |
| -2.6068439e-04 | |
| -2.6970431e-04 | |
| -2.3076412e-04 | |
| -2.3858298e-04 | |
| -2.0366775e-04 | |
| -2.1144734e-04 | |
| -1.8011049e-04 | |
| -1.8768220e-04 | |
| -1.5950964e-04 | |
| -1.6680726e-04 | |
| -1.4143187e-04 | |
| -1.4841748e-04 | |
| -1.2552361e-04 | |
| -1.3217771e-04 | |
| -1.1149480e-04 | |
| -1.1781066e-04 | |
| -9.9106007e-05 | |
| -1.0508612e-04 | |
| -8.8158972e-05 | |
| -9.3813004e-05 | |
| -7.8489896e-05 | |
| -8.3833553e-05 | |
| -6.9964294e-05 | |
| -7.5018452e-05 | |
| -6.2471078e-05 | |
| -6.7260773e-05 | |
| -5.5916291e-05 | |
| -6.0531466e-05 | |
| -4.9781081e-05 | |
| -5.4110641e-05 | |
| -4.4547959e-05 | |
| -4.8130861e-05 | |
| -3.9432665e-05 | |
| -4.2806773e-05 | |
| -3.4921073e-05 | |
| -3.8083927e-05 | |
| -3.0940663e-05 | |
| -3.3895450e-05 | |
| -2.7424142e-05 | |
| -3.0175015e-05 | |
| -2.4311450e-05 | |
| -2.6864817e-05 | |
| -2.1552123e-05 | |
| -2.3916618e-05 | |
| -1.9104871e-05 | |
| -2.1291059e-05 | |
| -1.6936753e-05 | |
| -1.8957029e-05 | |
| -1.5022834e-05 | |
| -1.6891618e-05 | |
| -1.3346547e-05 | |
| -1.5080674e-05 | |
| -1.1900826e-05 | |
| -1.3519617e-05 | |
| -1.0697707e-05 | |
| -1.2275144e-05 | |
| -9.5123118e-06 | |
| -1.0998501e-05 | |
| -8.5843287e-06 | |
| -9.7474348e-06 | |
| -7.5545151e-06 | |
| -8.6084136e-06 | |
| -6.6314414e-06 | |
| -7.5949695e-06 | |
| -5.8182256e-06 | |
| -6.7013635e-06 | |
| -5.1061270e-06 | |
| -5.9156418e-06 | |
| -4.4835132e-06 | |
| -5.2253031e-06 | |
| -3.9393221e-06 | |
| -4.6192077e-06 | |
| -3.4641669e-06 | |
| -4.0881743e-06 | |
| -3.0507522e-06 | |
| -3.6253145e-06 | |
| -2.6943428e-06 | |
| -3.2266221e-06 | |
| -2.3937852e-06 | |
| -2.8921719e-06 | |
| -2.1538604e-06 | |
| -2.6278900e-06 | |
| -1.9986466e-06 | |
| -2.5008428e-06 | |
| -1.8309434e-06 | |
| -2.3438207e-06 | |
| -1.7674181e-06 | |
| -2.1713256e-06 | |
| -1.6312799e-06 | |
| -2.0060450e-06 | |
| -1.5019314e-06 | |
| -1.8607494e-06 | |
| -1.3888608e-06 | |
| -1.7385587e-06 | |
| -1.2934910e-06 | |
| -1.6382357e-06 |
| #!/bin/bash | |
| src=$1 | |
| dst=${2:-} | |
| if [ -z $dst ]; then | |
| b=$(basename $src .wav) | |
| d=$(dirname $src) | |
| dst="$d/${b}.aw.wav" | |
| fi | |
| echo sox $src $dst fir ~/local/etc/a_weight_fir_16k.txt | |
| sox $src $dst fir ~/local/etc/a_weight_fir_16k.txt |
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