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gst/audiofx/: Add small comparision with the windowed sinc filters in the docs.

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Original commit message from CVS:
* gst/audiofx/audiochebyshevfreqband.c:
* gst/audiofx/audiochebyshevfreqlimit.c:
Add small comparision with the windowed sinc filters in the docs.
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Sebastian Dröge 2007-08-19 19:11:04 +00:00
parent aba981fd88
commit 5f32a4bac6
5 changed files with 26 additions and 0 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2007-08-19 Sebastian Dröge <slomo@circular-chaos.org>
* gst/audiofx/audiochebyshevfreqband.c:
* gst/audiofx/audiochebyshevfreqlimit.c:
Add small comparision with the windowed sinc filters in the docs.
2007-08-19 Sebastian Dröge <slomo@circular-chaos.org>
* tests/check/elements/audiochebyshevfreqband.c: (GST_START_TEST),

5
gst/audiofx/audiochebband.c
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@ -42,6 +42,11 @@
* band. The number of poles and the ripple parameter control the rolloff.
* </para>
* <para>
* This element has the advantage over the windowed sinc bandpass and bandreject filter that it is
* much faster and produces almost as good results. It's only disadvantages are the highly
* non-linear phase and the slower rolloff compared to a windowed sinc filter with a large kernel.
* </para>
* <para>
* For type 1 the ripple parameter specifies how much ripple in dB is allowed in the passband, i.e.
* some frequencies in the passband will be amplified by that value. A higher ripple value will allow
* a faster rolloff.

5
gst/audiofx/audiocheblimit.c
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@ -38,6 +38,11 @@
* cutoff frequency (high-pass). The number of poles and the ripple parameter control the rolloff.
* </para>
* <para>
* This element has the advantage over the windowed sinc lowpass and highpass filter that it is
* much faster and produces almost as good results. It's only disadvantages are the highly
* non-linear phase and the slower rolloff compared to a windowed sinc filter with a large kernel.
* </para>
* <para>
* For type 1 the ripple parameter specifies how much ripple in dB is allowed in the passband, i.e.
* some frequencies in the passband will be amplified by that value. A higher ripple value will allow
* a faster rolloff.

5
gst/audiofx/audiochebyshevfreqband.c
View file

@ -42,6 +42,11 @@
* band. The number of poles and the ripple parameter control the rolloff.
* </para>
* <para>
* This element has the advantage over the windowed sinc bandpass and bandreject filter that it is
* much faster and produces almost as good results. It's only disadvantages are the highly
* non-linear phase and the slower rolloff compared to a windowed sinc filter with a large kernel.
* </para>
* <para>
* For type 1 the ripple parameter specifies how much ripple in dB is allowed in the passband, i.e.
* some frequencies in the passband will be amplified by that value. A higher ripple value will allow
* a faster rolloff.

5
gst/audiofx/audiochebyshevfreqlimit.c
View file

@ -38,6 +38,11 @@
* cutoff frequency (high-pass). The number of poles and the ripple parameter control the rolloff.
* </para>
* <para>
* This element has the advantage over the windowed sinc lowpass and highpass filter that it is
* much faster and produces almost as good results. It's only disadvantages are the highly
* non-linear phase and the slower rolloff compared to a windowed sinc filter with a large kernel.
* </para>
* <para>
* For type 1 the ripple parameter specifies how much ripple in dB is allowed in the passband, i.e.
* some frequencies in the passband will be amplified by that value. A higher ripple value will allow
* a faster rolloff.