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0001 <?xml version="1.0"?> 0002 <!DOCTYPE kpartgui> 0003 <group> 0004 <effect tag="audiospectrum" id="audiospectrum"> 0005 <name>Audio Spectrum Filter</name> 0006 <description>An audio visualization filter that draws an audio spectrum on the image.</description> 0007 <author>Brian Matherly</author> 0008 <parameter type="list" name="type" default="line" paramlist="line;bar"> 0009 <paramlistdisplay>Line,Bar</paramlistdisplay> 0010 <name>Graph type</name> 0011 <comment>The type of graph to display the spectrum.</comment> 0012 </parameter> 0013 <parameter type="color" name="bgcolor" default="0x00000000" alpha="1"> 0014 <name>Background Color</name> 0015 <comment>The background color to be applied to the entire frame. The default color is transparent.</comment> 0016 </parameter> 0017 <parameter type="color" name="color.1" default="0xffffffff" alpha="1"> 0018 <name>Foreground color</name> 0019 <comment>The color of the waveform.</comment> 0020 </parameter> 0021 <parameter type="animated" name="thickness" default="0" min="0" max="20"> 0022 <name>Line Thickness</name> 0023 <comment>The thickness of the line used to draw the waveform for line graph. The thickness of the bar for bar graph.</comment> 0024 </parameter> 0025 <parameter type="animated" name="angle" default="0" min="0" max="360"> 0026 <name>Angle</name> 0027 <comment>The rotation angle to be applied to the waveform.</comment> 0028 </parameter> 0029 <parameter type="animatedrect" name="rect" default="0 0 100% 100%" fixed="1" opacity="false"> 0030 <name>Rectangle</name> 0031 <comment>Defines the rectangle that the waveform(s) should be drawn in.</comment> 0032 </parameter> 0033 <parameter type="bool" name="fill" default="0"> 0034 <name>Fill</name> 0035 <comment>Whether the area under the waveform should be filled in. Only applies to line graph type.</comment> 0036 </parameter> 0037 <parameter type="bool" name="mirror" default="0"> 0038 <name>Mirror</name> 0039 <comment>Mirror the spectrum about the center of the rectangle.</comment> 0040 </parameter> 0041 <parameter type="bool" name="reverse" default="0"> 0042 <name>Reverse</name> 0043 <comment>Draw the points starting with the highest frequency first.</comment> 0044 </parameter> 0045 <parameter type="animated" name="tension" default="0.4" min="-200" max="200" factor="100"> 0046 <name>Line Tension</name> 0047 <comment>Affects the amount of curve in the line interpolating between points. 0.0 = a straight line between points. 100 = very curved lines between points. Values < 0 and > 100 will cause loops in the lines. Only applies to line graph type.</comment> 0048 </parameter> 0049 <parameter type="animated" name="bands" default="31" min="0" max="1000"> 0050 <name>Points</name> 0051 <comment>The number of bands to draw in the spectrum. Each band shows up as a data point in the graph.</comment> 0052 </parameter> 0053 <parameter type="animated" name="frequency_low" default="20" min="0" max="30000"> 0054 <name>Low Frequency</name> 0055 <comment>The low end of the frequency range to be used for the graph.</comment> 0056 </parameter> 0057 <parameter type="animated" name="frequency_high" default="20000" min="0" max="30000"> 0058 <name>High Frequency</name> 0059 <comment>The high end of the frequency range to be used for the graph.</comment> 0060 </parameter> 0061 <parameter type="animated" name="threshold" default="-30" min="-100" max="0" suffix="dB"> 0062 <name>Level Threshold</name> 0063 <comment>The minimum amplitude of sound that must occur within the frequency range to cause the value to be applied.</comment> 0064 </parameter> 0065 <parameter type="constant" name="window_size" default="2048" min="1" max="4000"> 0066 <name>Window Size</name> 0067 <comment>The number of samples that the FFT will be performed on. If window size is less than the number of samples in a frame, extra samples will be ignored. If window size is more than the number of samples in a frame, samples will be buffered from previous frames to fill the window. The buffering is performed as a sliding window so that the most recent samples are always transformed.</comment> 0068 </parameter> 0069 </effect> 0070 </group>