<!DOCTYPE html> <html> <head> <title>Linux Studio Plugins Project</title> <meta content="text/html; charset=utf-8" http-equiv="Content-Type"> <link rel="stylesheet" href="../../css/style.css" type="text/css"> </head> <body> <div id="body"> <!-- Header --> <div id="header"> <img src="../../img/header.png" alt="Linux Studio Plugins Project" > </div> <!-- Navigation top --> <div id="menu"> <ul> <li class="sel">Multiband Compressor LeftRight x8 - Multi-band Kompressor LeftRight x8</li> <li><a href="../../index.html">Home</a></li> </ul> </div> <!-- Main content --> <div id="main"> <h1>Multi-band Kompressor LeftRight x8</h1> <img class="plugin" src="../../img/plugins/mb_compressor_lr.png" alt="Multi-band Kompressor LeftRight x8"> <p><b>Detailed: </b>LSP Multiband Compressor LeftRight x8 - Multi-band Kompressor LeftRight x8 (MBK8LR)</p> <p><b>Formats: </b>LADSPA, LV2, LinuxVST, JACK</p> <p><b>Categories: </b>Dynamics, Compressor</p> <p><b>Developer: </b>Vladimir Sadovnikov</p> <p><b>Description: </b></p> <p> This plugin performs multiband compression of stereo input signal by applying individual processing to left and right channels separately. Flexible sidechain-control configuration isprovided. </p> <p> As opposite to most available multiband compressors, this compressor provides numerous special functions listed below: </p> <ul> <li><b>Modern operating mode</b> - special operating mode that allows to avoid disadvantages of 'classic' crossover-based compressors. Crossiver-based compressors use crossover filters for splitting the original signal into independent frequency bands, then process each band independently by it's individual compressor. Finally, all bands are summarized and so the output signal is formed. This principle has a huge disadvantage because recursive crossover filters have non-linear phase and that's why even after just splitting signal into separate bands and summarizing them back, we get the amplitude distortion of the signal. It's not so noticeable when each band is present by frequency range of more than decade Hz but the distortion is very noticeable when there are too many narrow bands. In <b>Modern</b> mode, each band is processed by pair of dynamic shelving filters. This allows to avoid amplitude distortion and preserve the 0 dB transfer function at the whole frequency range when compressor is not working. </li> <li><b>Sidechain boost</b> - special mode for assigning the same weight for higher frequencies opposite to lower frequencies. In usual case, the frequency band is processed by compressor 'as is'. By the other side, the usual audio signal has 3 db/octave falloff in the frequency domain and could be compared with the pink noise. So the lower frequencies take more effect on compressor rather than higher frequencies. <b>Sidechain boost</b> feature allows to compensate the -3 dB/octave falloff of the signal spectrum and, even more, make the signal spectrum growing +3 dB/octave in the almost fully audible frequency range. This is done by specially designed +3 db/oct and +6 db/oct shelving filters. </li> <li><b>Lookahead option</b> - each band of compressor can work with some prediction, the lookahead time can be set for each channel independently. To avoid phase distortions, all other bands automatically become delayed for a individually calculated period of time. The overall delay time of the input signal is reported to the host by the plugin as a latency. </li> <li><b>Up to 8 bands</b> are available for use, each band is not attached to it's strict frequency range and can control any frequency range. Also, each band can be controlled by completely different frequency range that can be obtained by applying low-pass and hi-pass filters to the sidechain signal. </li> </ul> <p><b>Controls:</b></p> <ul> <li> <b>Bypass</b> - bypass switch, when turned on (led indicator is shining), the plugin bypasses signal. </li> <li><b>Mode</b> - combo box that allows to switch between <b>Modern</b> and <b>Classic</b> operating modes.</li> <li><b>SC Boost</b> - enables addidional boost of the sidechain signal:</li> <ul> <li><b>None</b> - no sidechain boost is applied.</li> <li><b>Pink BT</b> - a +3db/octave sidechain boost using bilinear-transformed shelving filter.</li> <li><b>Pink MT</b> - a +3db/octave sidechain boost using matched-transformed shelving filter.</li> <li><b>Brown BT</b> - a +6db/octave sidechain boost using bilinear-transformed shelving filter.</li> <li><b>Brown MT</b> - a +6db/octave sidechain boost using matched-transformed shelving filter.</li> </ul> <li><b>FFT L, R In</b> - enables FFT curve graph of input signal on the spectrum graph.</li> <li><b>FFT L, R Out</b> - enables FFT curve graph of output signal on the spectrum graph.</li> <li><b>Filters L, R</b> - enables drawing tranfer function of each sidechain filter on the spectrum graph.</li> <li><b>Zoom</b> - zoom fader, allows to adjust zoom on the frequency chart.</li> </ul> <p><b>'Signal' section:</b></p> <ul> <li><b>Input</b> - the amount of gain applied to the input signal before processing.</li> <li><b>Output</b> - the amount of gain applied to the output signal before processing.</li> <li><b>Dry</b> - the amount of dry (unprocessed) signal passed to the output.</li> <li><b>Wet</b> - the amount of wet (processed) signal passed to the output.</li> <li><b>In</b> - the input signal meter.</li> <li><b>Out</b> - the output signal meter.</li> </ul> <p><b>'Analysis' section:</b></p> <ul> <li><b>Reactivity</b> - the reactivity (smoothness) of the spectral analysis.</li> <li><b>Shift</b> - allows to adjust the overall gain of the analysis.</li> </ul> <p><b>'Split Left' and 'Split Right' sections</b> - allow to quckly control all bands and provides most frequently used controls for Left and Right channels of stereo signal independently:</p> <ul> <li><b>Band</b> - allows to enable the corresponding band, band #0 is <b>always</b> enabled.</li> <li><b>Hue</b> - allows to control the hue of the color assigned to the band.</li> <li><b>Range</b> - allows to adjust the start frequency of the frequency range controlled by the band.</li> <li><b>Controls</b> - set of buttons that control the behaviour of the compressor:</li> <ul> <li><b>On</b> - enables compressor assigned to the corresponding frequency band.</li> <li><b>S</b> - turns on soloing mode to the selected band by applying -36 dB gain to non-soloing bands</li> <li><b>M</b> - turns on muting mode to the selected band by applying -36 dB gain to it</li> </ul> <li><b>SC Preamp</b> - applies additional gain to the sidechain band.</li> <li><b>Makeup</b> - applies additional gain to the output of the corresponding compressor.</li> <li><b>Ratio</b> - the compression ration for the corresponding band.</li> <li><b>Knee</b> - the compression knee for the corresponding band.</li> <li><b>Attack Level</b> - threshold of the compressor, placed in the middle of the knee.</li> <li><b>Attack Time</b> - attack time of the compressor.</li> <li><b>Release Level</b> - relative to the <b>Attack Level</b> threshold that sets up the threshold of <b>Release Time</b>.</li> <li><b>Release Time</b> - release time of the compressor.</li> </ul> <p><b>'Band N' section</b> - allows to simultaneously control all parameters of compressors of Left and Right channels assigned to the selected frequency band:</p> <ul> <li><b>Sidechain Mode</b> - combo box that allows to control sidechain working mode:</li> <ul> <li><b>Peak</b> - peak mode.</li> <li><b>RMS</b> - root mean square of the input signal.</li> <li><b>Low-pass</b> - input signal processed by low-pass filter.</li> <li><b>Uniform</b> - input signal processed by uniform filter.</li> <li><b>Middle</b> - middle part of signal is used for sidechain processing.</li> <li><b>Side</b> - side part of signal is used for sidechain processing.</li> <li><b>Left</b> - only left channel is used for sidechain processing.</li> <li><b>Right</b> - only right channel is used for sidechain processing.</li> </ul> <li><b>Sidechain Lookahead</b> - look-ahead time of the sidechain relative to the input signal.</li> <li><b>Sidechain Preamp</b> - pre-amplification of the sidechain signal.</li> <li><b>Sidechain Reactivity</b> - reactivity of the sidechain signal.</li> <li><b>Sidechain LCF</b> - button turns on the low-cut filter for the sidechain signal and knob allows to control the frequency of the filter.</li> <li><b>Sidechain HCF</b> - button turns on the high-cut filter for the sidechain signal and knob allows to control the frequency of the filter.</li> <li><b>Compressor Solo</b> - turns on soloing mode to the selected band by applying -36 dB gain to non-soloing bands</li> <li><b>Compressor Mute</b> - turns on muting mode to the selected band by applying -36 dB gain to it</li> <li><b>Compressor Mode</b> - compression mode: <b>Upward (Up)</b> or <b>Downward (Down)</b>.</li> <li><b>Compressor On</b> - enables compressor assigned to the corresponding frequency band.</li> <li><b>Compressor Ratio</b> - compression ratio.</li> <li><b>Compressor Knee</b> - size of compression knee.</li> <li><b>Compressor Makeup</b> - additional amplification gain after compression stage.</li> <li><b>Compressor Attack Level</b> - threshold of the compressor, placed in the middle of the knee.</li> <li><b>Compressor Attack Time</b> - attack time of the compressor.</li> <li><b>Compressor Release Level</b> - relative to the <b>Attack Level</b> threshold that sets up the threshold of <b>Release Time</b>.</li> <li><b>Compressor Release Time</b> - release time of the compressor.</li> <li><b>Gain</b> - the amount of gain applied to frequency band by the compression curve.</li> </ul> </div> <!-- Navigation bottom --> <div id="menu"> <ul> <li class="sel">Multiband Compressor LeftRight x8 - Multi-band Kompressor LeftRight x8</li> <li><a href="../../index.html">Home</a></li> </ul> </div> <!-- Footer --> <div id="footer"> <p>(C) Linux Studio Plugins, 2015-2016</p> <p>All rights reserved</p> </div> </div> </body> </html>
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