/**
 * \page BoxAlgorithm_SignalMerger Signal Merger
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Detailed description
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 * |OVP_DocBegin_BoxAlgorithm_SignalMerger_Description|
 * This box merges several input streams in a single output stream. For instance,
 * if this box has two inputs with 8 channels each, the output will contain 16 channels.
 *
 * It important to note that the input streams must have the same structure. That is
 * same sampling rate, same number of samples per buffer, and similar chunks dates.
 *
 * The output channel order is as follows :
 *  - n channels from input 1 (in the same order as in input 1)
 *  - m channels from input 2
 *  - ...
 *  - p channels from input N
 *
 * Such box has initially been proposed by Matthieu Goyat and Guillaume Lio but it
 * has been completely reimplemented in march 2011 because of unpredictable behaviors in
 * some conditions.
 * |OVP_DocEnd_BoxAlgorithm_SignalMerger_Description|
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Inputs description
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 * |OVP_DocBegin_BoxAlgorithm_SignalMerger_Inputs|
 * This box can receive as many inputs as necessary.
 * |OVP_DocEnd_BoxAlgorithm_SignalMerger_Inputs|

 * |OVP_DocBegin_BoxAlgorithm_SignalMerger_Input1|
 * The first input stream.
 * |OVP_DocEnd_BoxAlgorithm_SignalMerger_Input1|

 * |OVP_DocBegin_BoxAlgorithm_SignalMerger_Input2|
 * The second input stream.
 * |OVP_DocEnd_BoxAlgorithm_SignalMerger_Input2|
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Outputs description
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 * |OVP_DocBegin_BoxAlgorithm_SignalMerger_Outputs|
 * |OVP_DocEnd_BoxAlgorithm_SignalMerger_Outputs|

 * |OVP_DocBegin_BoxAlgorithm_SignalMerger_Output1|
 * The output stream contains all the channels grabbed from the different input streams.
 * |OVP_DocEnd_BoxAlgorithm_SignalMerger_Output1|
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Examples description
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 * |OVP_DocBegin_BoxAlgorithm_SignalMerger_Examples|
 * |OVP_DocEnd_BoxAlgorithm_SignalMerger_Examples|
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Miscellaneous description
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 * |OVP_DocBegin_BoxAlgorithm_SignalMerger_Miscellaneous|
 * |OVP_DocEnd_BoxAlgorithm_SignalMerger_Miscellaneous|
 */