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A-weighting - Wikipedia
https://en.wikipedia.org/wiki/A-weighting#:~:text=A-weighting%20is%20applied%20to%20instrument-measured%20sound%20levels%20in,to%20the%20measured%20sound%20pressure%20levels%20in%20dB.
Frequency-Weightings for Sound Level Measurements - …
https://www.nti-audio.com/en/support/know-how/frequency-weightings-for-sound-level-measurements
As acoustic sound level measurements are often motivated by the effect of sounds on humans, the A-weighting filter is commonly applied. The C-weighting filter is often applied when representing peak levels. The Z-Weighting (no weighting and thus no filter) may be applied, for example, where an analysis of the sound source is required rather than the effect the sound …
Audio weighting filter specification object - MATLAB ...
https://www.mathworks.com/help/dsp/ref/fdesign.audioweighting.html
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™ based on the …
Frequency weightings: A, B, C and Z - Doctor Pro Audio . com
https://www.doctorproaudio.com/content.php?2279-frequency-weightings-abc
To try and approximate acoustical analyzers to the response of the ear, frequency weighting curves were created. These are simplified versions of the ears' frequency response at different levels. Thus, for low sound pressure levels, the A weighting is used, which provides substantial low frequency attenuation (-50 dB at 20 Hz and almost -20 dB at 100 Hz) and some high …
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