effects/avfilter/avfilter_allpass.xml

0001 <?xml version="1.0"?>
0002 <!DOCTYPE kpartgui>
0003 <effect tag="avfilter.allpass" id="avfilter.allpass" type="audio">
0004     <name>Allpass</name>
0005     <description>Apply a two-pole all-pass filter with central frequency (in Hz) frequency, and filter-width width. An all-pass filter changes the audio’s frequency to phase relationship without changing its frequency to amplitude relationship.</description>
0006     <author>libavfilter</author>
0007     <parameter type="constant" name="av.f" default="3000" min="20" max="20000" suffix="Hz">
0008         <name>Central frequency</name>
0009     </parameter>
0010     <parameter type="list" name="av.t" default="h" paramlist="h;q;o;s;k">
0011         <paramlistdisplay>Hz,Q-FActor,Octave,Slope,KHz</paramlistdisplay>
0012         <name>Method</name>
0013     </parameter>
0014     <parameter type="constant" name="av.w" default="707.1" min="1" max="9999" decimals="2">
0015         <name>Filter-width</name>
0016     </parameter>
0017     <parameter type="constant" name="av.m" default="1" min="0" max="1" decimals="2">
0018         <name>Mix</name>
0019     </parameter>
0020     <parameter type="bool" name="av.n" default="0">
0021         <name>Normalize</name>
0022     </parameter>
0023     <parameter type="list" name="av.o" default="2" paramlist="1;2">
0024         <paramlistdisplay>1,2</paramlistdisplay>
0025         <name>Order</name>
0026     </parameter>
0027     <parameter type="list" name="av.a" default="di" paramlist="di;dii;tdii;latt">
0028         <paramlistdisplay>di,dii,tdii,latt</paramlistdisplay>
0029         <name>Transform type</name>
0030     </parameter>
0031     <parameter type="list" name="av.r" default="auto" paramlist="auto;s16;s32;f32;f64">
0032         <paramlistdisplay>Auto,s16,s32,f32,f64</paramlistdisplay>
0033         <name>Filter precision</name>
0034     </parameter>
0035 </effect>