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Audio Weighting Filters - MATLAB & Simulink
https://www.mathworks.com/help/audio/examples/audio-weighting-filters.html
You can design A and C weighting filters that follow the ANSI S1.42 [1] and IEC 61672-1 [2] standards using weightingFilterSystem object. An A-weighting filter is a bandpass filter designed to simulate the perceived loudness of low-level tones. An A-weighting filter progressively de-emphasizes frequencies below 500 Hz. A C-weig…
Audio weighting filter specification object - MATLAB ...
https://www.mathworks.com/help///dsp/ref/fdesign.audioweighting.html
Description. Supported audio weighting filter types are: A weighting, C weighting, C-message, ITU-T 0.41, and ITU-R 468–4 weighting. HAwf = fdesign.audioweighting constructs an audio weighting filter specification object HAwf with a weighting type of A and a filter class of 1. Use the design method and set the 'SystemObject' flag to true, to instantiate a System object™ …
Audio weighting filter specification object - MATLAB ...
https://kr.mathworks.com/help/dsp/ref/fdesign.audioweighting.html
HAwf = fdesign.audioweighting (specvalue1,specvalue2) constructs an audio weighting filter specification object HAwf with the specification 'WT,Class' using the values you provide. The valid weighting types are 'A' or 'C'. HAwf = fdesign.audioweighting (...,Fs) specifies the sampling frequency in Hz. The sampling frequency is a scalar trailing all other input arguments.
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