# Differences

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 resources:tools-software:sigmastudio:toolbox:adialgorithms:automaticvolumecontrol [25 Jul 2014 22:25]John McCarty add adau145x information resources:tools-software:sigmastudio:toolbox:adialgorithms:automaticvolumecontrol [01 Sep 2016 06:33]prasanna thirumaleshwara Both sides previous revision Previous revision 01 Sep 2016 06:33 prasanna thirumaleshwara 01 Sep 2016 06:32 prasanna thirumaleshwara 25 Jul 2014 22:25 John McCarty add adau145x information18 Feb 2013 16:50 Brett Gildersleeve Added GUI controls table and example15 Nov 2012 20:57 William Jahn created Next revision Previous revision 01 Sep 2016 06:33 prasanna thirumaleshwara 01 Sep 2016 06:32 prasanna thirumaleshwara 25 Jul 2014 22:25 John McCarty add adau145x information18 Feb 2013 16:50 Brett Gildersleeve Added GUI controls table and example15 Nov 2012 20:57 William Jahn created Line 14: Line 14: |Max Gain (dB)|12|0 - 15|The maximum gain that will be applied to a quiet signal as the algorithm attempts to maintain a target output level.| |Max Gain (dB)|12|0 - 15|The maximum gain that will be applied to a quiet signal as the algorithm attempts to maintain a target output level.| |Output Level (dB)|-18|-18 to -3|The target output level (in RMS) that the algorithm will try to maintain.| |Output Level (dB)|-18|-18 to -3|The target output level (in RMS) that the algorithm will try to maintain.| - |Freeze Level (dB)|-36|-36 to -20|The threshold below which the algorithm considers a signal to be "​noise"​ that is not suitable for amplification. When the audio input goes below this level, the output gain will remain unchanged. This effectively lets the algorithm ignore background noise when the main signal of interest is not present.| + |Freeze Level (dB)|-36|-36 to -20|The threshold below which the algorithm considers a signal to be "​noise"​ that is not suitable for amplification. When the audio input goes below this level, the output gain will remain unchanged. This effectively lets the algorithm ignore background noise when the main signal of interest is not present. ​Note that, there is a slow 'Decay Rate' of 12 seconds for the envelope below the freeze level | \\ \\ **NOTE:** this algorithm introduces a constant delay to the audio signal regardless of the AVC Enable setting. ​ This algorithm only supports sampling rates of 44.1kHz and 48kHz (except for the ADAU145x processor which supports all sampling rates). **NOTE:** this algorithm introduces a constant delay to the audio signal regardless of the AVC Enable setting. ​ This algorithm only supports sampling rates of 44.1kHz and 48kHz (except for the ADAU145x processor which supports all sampling rates).
resources/tools-software/sigmastudio/toolbox/adialgorithms/automaticvolumecontrol.txt · Last modified: 01 Sep 2016 06:33 by prasanna thirumaleshwara

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