.. meta::
   :description: Kdenlive Audio Effects - Steve Harris' SWH Plugins
   :keywords: KDE, Kdenlive, documentation, user manual, video editor, open source, audio effects, steve harris, swh, plugins
   
.. metadata-placeholders

   :authors: - Bernd Jordan (https://discuss.kde.org/u/berndmj)

   :license: Creative Commons License SA 4.0


.. |swh| raw:: html

   <a href="http://plugin.org.uk/ladspa-swh/docs/ladspa-swh.html" target="_blank">Steve Harris' SWH Plugins</a>

.. |ladspa| raw:: html

   <a href="https://www.ladspa.org" target="_blank">LADSPA</a>


Steve Harris' SWH Plugins
=========================

This category consists of effects and filters from the |ladspa| library pertaining to |swh|\ [1]_.

.. This can be un-commented once we decided which filter to document here
   The following filters and effects are available and documented here in detail:

   .. toctree::
   :maxdepth: 1

   entry_1
   entry_2
   ...
   entry_n

The following filters and effects (spelling as provided) are available but not documented here. Please refer to the |swh| documentation for more details using the LADSPA identifier listed in the description of the filter.

.. hlist:: 
   :columns: 2

   * 4 x 4 pole allpass
   * Aliasing
   * Allpass delay line
   * AM pitchshifter
   * Artificial latency
   * Audio Divider
   * Auto phaser
   * Barry's Satan Maximiser
   * Bode frequency shifter (CV)
   * Chebyshev distortion
   * Comb delay line
   * Comb filter
   * Comb splitter
   * Constant Signal Generator
   * Crossfade
   * Crossover distortion
   * DC Offset Remover
   * Decimator
   * Declipper
   * Delayorama
   * Diode Processor
   * DJ EQ
   * DJ flanger
   * Dyson compressor
   * Exponential signal decay
   * Fast Lookahead limiter
   * Fast overdrive
   * Flanger
   * FM Oscillator
   * Foldover distortion
   * Fractionally Addressed Delay Line
   * Frequency tracker
   * Gate
   * Giant flange
   * Glame Bandpass (Analog) Filter
   * GLAME Butterworth High/Lowpass
   * Glame Butterworth X-over filter
   * Glame High/Lowpass Filter
   * Gong beater
   * Gong model
   * GSM simulator
   * GVerb
   * Hard Limiter
   * Harmonic generator
   * Hermes Filter
   * Higher Quality Pitch Scaler
   * Hilbert transformer
   * Impulse convolver
   * Inverter
   * Karaoke
   * L/C/R Delay
   * LFO Phaser
   * LS Filter
   * Mag's Notch Filter
   * Matrix Spatialiser
   * Matrix: MS to Stereo
   * Matrix: Stereo to MS
   * Modulatable delay
   * Mono to Stereo splitter
   * Multiband EQ
   * Multivoice Chorus
   * Pitch Scaler
   * Plate reverb
   * Pointer cast distortion
   * Rate shifter
   * Retro Flanger
   * Reverse Delay
   * Ringmod with LFO
   * Ringmod with two inputs
   * SC1 thru SC4
   * SC4 mono
   * SE4
   * Signal shifter
   * Simple amplifier
   * Simple delay line
   * Single band parametric
   * Sinus wavewrapper
   * Smooth Decimator
   * State Variable Filter
   * Step Demuxer
   * Surround matrix encoder
   * Tape Delay Simulation
   * Transient mangler
   * Triple band parametric with shelves
   * Valve rectifier
   * Valve saturation
   * VyNil (Vinyl Effect)
   * Wave shaper
   * Wave Terrain Oscillator
   * Z-1


.. .. rubric:: Notes

----

.. [1] The |swh| may not be available in all installations due to packaging dependencies or limitations. Kdenlive appimages do not have these filters/effects.


.. not sure what to do with this list; probably use it in the overall effects list. Until then the entries are parked here

   4 x 4 pole allpass <https://www.mltframework.org/plugins/FilterLadspa-1218/>

   Aliasing <https://www.mltframework.org/plugins/FilterLadspa-1407/>

   Allpass delay line cubic spline interpolation <https://www.mltframework.org/plugins/FilterLadspa-1897/>

   Allpass delay line linear interpolation <https://www.mltframework.org/plugins/FilterLadspa-1896/>

   Allpass delay line noninterpolating <https://www.mltframework.org/plugins/FilterLadspa-1895/>

   AM pitchshifter <https://www.mltframework.org/plugins/FilterLadspa-1433/>

   Artificial latency <https://www.mltframework.org/plugins/FilterLadspa-1914/>

   Audio Divider (Suboctave Generator) <https://www.mltframework.org/plugins/FilterLadspa-1186/>

   Audio Levels <https://www.mltframework.org/plugins/FilterAudiolevel/>

   Audio Pan <https://www.mltframework.org/plugins/FilterPanner/>

   Auto phaser <https://www.mltframework.org/plugins/FilterLadspa-1219/>

   Barry's Satan Maximiser <https://www.mltframework.org/plugins/FilterLadspa-1408/>

   Bode frequency shifter <https://www.mltframework.org/plugins/FilterLadspa-1431/>

   Bode frequency shifter (CV) <https://www.mltframework.org/plugins/FilterLadspa-1432/>

   Chebyshev distortion <https://www.mltframework.org/plugins/FilterLadspa-1430/>

   Comb delay line cubic spline interpolation <https://www.mltframework.org/plugins/FilterLadspa-1888/>

   Comb delay line linear interpolation <https://www.mltframework.org/plugins/FilterLadspa-1887/>

   Comb delay line noninterpolating <https://www.mltframework.org/plugins/FilterLadspa-1889/>

   Comb Filter <https://www.mltframework.org/plugins/FilterLadspa-1190/>

   Compand <https://www.mltframework.org/plugins/FilterAvfilter-compand/>

   Constant Signal Generator <https://www.mltframework.org/plugins/FilterLadspa-1909/>

   Crossfade <https://www.mltframework.org/plugins/FilterLadspa-1915/>

   Crossfade (4 outs) <https://www.mltframework.org/plugins/FilterLadspa-1917/>

   Crossover distortion <https://www.mltframework.org/plugins/FilterLadspa-1404/>

   DC Offset Remover <https://www.mltframework.org/plugins/FilterLadspa-1207/>

   Decimator <https://www.mltframework.org/plugins/FilterLadspa-1202/>

   Declipper <https://www.mltframework.org/plugins/FilterLadspa-1195/>

   Delayorama <https://www.mltframework.org/plugins/FilterLadspa-1402/>

   Diode Processor <https://www.mltframework.org/plugins/FilterLadspa-1185/>

   DJ EQ <https://www.mltframework.org/plugins/FilterLadspa-1901/>

   DJ EQ (mono) <https://www.mltframework.org/plugins/FilterLadspa-1907/>

   DJ flanger <https://www.mltframework.org/plugins/FilterLadspa-1438/>

   Dyson compressor <https://www.mltframework.org/plugins/FilterLadspa-1403/>

   Exponential signal decay <https://www.mltframework.org/plugins/FilterLadspa-1886/>

   Fast overdrive <https://www.mltframework.org/plugins/FilterLadspa-1196/>

   Fast Lookahead limiter <https://www.mltframework.org/plugins/FilterLadspa-1913/>

   Flanger <https://www.mltframework.org/plugins/FilterLadspa-1191/>

   FM Oscillator <https://www.mltframework.org/plugins/FilterLadspa-1415/>

   Foldover distortion <https://www.mltframework.org/plugins/FilterLadspa-1213/>

   Fractionally Addressed Delay Line <https://www.mltframework.org/plugins/FilterLadspa-1192/>

   Frequency tracker <https://www.mltframework.org/plugins/FilterLadspa-1418/>

   Gate <https://www.mltframework.org/plugins/FilterLadspa-1410/>

   Giant flange <https://www.mltframework.org/plugins/FilterLadspa-1437/>

   Glame Bandpass Analog Filter <https://www.mltframework.org/plugins/FilterLadspa-1893/>

   Glame Bandpass Filter <https://www.mltframework.org/plugins/FilterLadspa-1892/>

   GLAME Butterworth Highpass <https://www.mltframework.org/plugins/FilterLadspa-1904/>

   GLAME Butterworth Lowpass <https://www.mltframework.org/plugins/FilterLadspa-1903/>

   Glame Butterworth X-over Filter <https://www.mltframework.org/plugins/FilterLadspa-1902/>

   Glame Highpass Filter <https://www.mltframework.org/plugins/FilterLadspa-1890/>

   Glame Lowpass Filter <https://www.mltframework.org/plugins/FilterLadspa-1891/>

   Gong beater <https://www.mltframework.org/plugins/FilterLadspa-1439/>

   Gong model <https://www.mltframework.org/plugins/FilterLadspa-1424/>

   GSM simulator <https://www.mltframework.org/plugins/FilterLadspa-1215/>

   GVerb <https://www.mltframework.org/plugins/FilterLadspa-1216/>

   Harmonic generator <https://www.mltframework.org/plugins/FilterLadspa-1220/>

   Hermes Filter <https://www.mltframework.org/plugins/FilterLadspa-1200/>

   Higher Quality Pitch Scaler <https://www.mltframework.org/plugins/FilterLadspa-1194/>

   Hilbert transformer <https://www.mltframework.org/plugins/FilterLadspa-1440/>

   Impulse convolver <https://www.mltframework.org/plugins/FilterLadspa-1199/>

   Inverter <https://www.mltframework.org/plugins/FilterLadspa-1429/>

   Karaoke <https://www.mltframework.org/plugins/FilterLadspa-1409/>

   L/C/R Delay <https://www.mltframework.org/plugins/FilterLadspa-1436/>

   LFO Phaser <https://www.mltframework.org/plugins/FilterLadspa-1217/>

   LS Filter <https://www.mltframework.org/plugins/FilterLadspa-1908/>

   Mag's Notch Filter <https://www.mltframework.org/plugins/FilterLadspa-1894/>

   Matrix Spatialiser <https://www.mltframework.org/plugins/FilterLadspa-1422/>

   Matrix: MS to Stereo <https://www.mltframework.org/plugins/FilterLadspa-1421/>

   Matrix: Stereo to MS <https://www.mltframework.org/plugins/FilterLadspa-1420/>

   Modulatable delay <https://www.mltframework.org/plugins/FilterLadspa-1419/>

   Mono to stereo <https://www.mltframework.org/plugins/FilterLadspa-1406/>

   Multiband EQ <https://www.mltframework.org/plugins/FilterLadspa-1197/>

   Multivoice Chorus <https://www.mltframework.org/plugins/FilterLadspa-1201/>

   Pitch Scaler <https://www.mltframework.org/plugins/FilterLadspa-1193/>

   Plate reverb <https://www.mltframework.org/plugins/FilterLadspa-1423/>

   Pointer cast distortion <https://www.mltframework.org/plugins/FilterLadspa-1910/>

   Rate shifter <https://www.mltframework.org/plugins/FilterLadspa-1417/>

   Retro Flanger <https://www.mltframework.org/plugins/FilterLadspa-1208/>

   Reverse Delay (5s max) <https://www.mltframework.org/plugins/FilterLadspa-1605/>

   Ringmod with LFO <https://www.mltframework.org/plugins/FilterLadspa-1189/>

   Ringmod with two inputs <https://www.mltframework.org/plugins/FilterLadspa-1188/>

   SC1 <https://www.mltframework.org/plugins/FilterLadspa-1425/>

   SC2 <https://www.mltframework.org/plugins/FilterLadspa-1426/>

   SC3 <https://www.mltframework.org/plugins/FilterLadspa-1427/>

   SC4 <https://www.mltframework.org/plugins/FilterLadspa-1882/>

   SC4 mono <https://www.mltframework.org/plugins/FilterLadspa-1916/>

   SE4 <https://www.mltframework.org/plugins/FilterLadspa-1883/>

   Signal sifter <https://www.mltframework.org/plugins/FilterLadspa-1210/>

   Simple amplifier <https://www.mltframework.org/plugins/FilterLadspa-1181/>

   Simple Delay Line <https://www.mltframework.org/plugins/FilterLadspa-1043/>

   Simple delay line cubic spline interpolation <https://www.mltframework.org/plugins/FilterLadspa-1900/>

   Simple delay line linear interpolation <https://www.mltframework.org/plugins/FilterLadspa-1899/>

   Simple Delay Line, noninterpolating <https://www.mltframework.org/plugins/FilterLadspa-1898/>

   Simple High Pass Filter <https://www.mltframework.org/plugins/FilterLadspa-1042/>

   Simple Low Pass Filter <https://www.mltframework.org/plugins/FilterLadspa-1041/>

   Sine Oscillator (Freq:Audio,Amp:audio) <https://www.mltframework.org/plugins/FilterLadspa-1044/>

   Sine Oscillator (Freq:Audio,Amp:control) <https://www.mltframework.org/plugins/FilterLadspa-1045/>

   Sine Oscillator (Freq:control,Amp:audio) <https://www.mltframework.org/plugins/FilterLadspa-1046/>

   Single band parametric <https://www.mltframework.org/plugins/FilterLadspa-1203/>

   Sinus wavewrapper <https://www.mltframework.org/plugins/FilterLadspa-1198/>

   Smooth Decimator <https://www.mltframework.org/plugins/FilterLadspa-1414/>

   Sox band <https://www.mltframework.org/plugins/FilterSox-band/>

   Sox bass <https://www.mltframework.org/plugins/FilterSox-bass/>

   Sox echo <https://www.mltframework.org/plugins/FilterSox-echo/>

   Sox flanger <https://www.mltframework.org/plugins/FilterSox-flanger/>

   Sox gain <https://www.mltframework.org/plugins/FilterSox-gain/>

   Sox phaser <https://www.mltframework.org/plugins/FilterSox-phaser/>

   Sox stretch <https://www.mltframework.org/plugins/FilterSox-stretch/>

   State Variable Filter <https://www.mltframework.org/plugins/FilterLadspa-1214/>

   Step Demuxer <https://www.mltframework.org/plugins/FilterLadspa-1212/>

   Surround matrix encoder <https://www.mltframework.org/plugins/FilterLadspa-1401/>

   Tape Delay Simulation <https://www.mltframework.org/plugins/FilterLadspa-1211/>

   Transient mangler <https://www.mltframework.org/plugins/FilterLadspa-1206/>

   Triple band parametric with shelves <https://www.mltframework.org/plugins/FilterLadspa-1204/>

   Valve rectifier <https://www.mltframework.org/plugins/FilterLadspa-1405/>

   Valve saturation <https://www.mltframework.org/plugins/FilterLadspa-1209/>

   VyNil (Vinyl Effect) <https://www.mltframework.org/plugins/FilterLadspa-1905/>

   Wave shaper <https://www.mltframework.org/plugins/FilterLadspa-1187/>

   Wave Terrain Oscillator <https://www.mltframework.org/plugins/FilterLadspa-1412/>

   z-1 <https://www.mltframework.org/plugins/FilterLadspa-1428/>