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A, B, and C Contour Filters for Sound Measurement
http://hyperphysics.phy-astr.gsu.edu/hbase/Sound/acont.html
This measurement is made with a sound level meter with an A contour filter which provides the best instrument match of the ear's equal loudness curves for soft sounds in the neighborhood of 40 dB. When this filter, (which is one of the …
The All-new Contour Audio Crossover
https://www.dynaudio.com/dynaudio-academy/2016/october/the-all-new-contour-crossover/
The All-new Contour Audio Crossover. An audio crossover is a filter that divides frequencies and sends them to the right driver in the sound system: the high-frequencies go to the tweeter, and the low-frequencies or midrange to the …
Yaesu "contour" filter. | QRZ Forums
https://forums.qrz.com/index.php?threads/yaesu-contour-filter.777231/
Contour is used with shift as well as other DSP filters to get you an extra inch in reducing side interference, sometimes I also use notch with it. Experimentation is key on understanding it's use. It is possible to make the desired signal rise out of the noise. On page 50 View attachment 825406 The expert speaks again. WR3V, Aug 22, 2021 #3
Yaesu "contour" filter. | Page 2 | QRZ Forums
https://forums.qrz.com/index.php?threads/yaesu-contour-filter.777231/page-2
Contour is an audio processing filter that behaves like a single band parametric equalizer on receive. You adjust the width and center frequency, and falloff (or rise). Probably should have mentioned before - if you run digital noise reduction, all versions I've seen supress higher frequencies in the voice range a bit more than would be ideal.
Contour Network Designer / Calculator - DIY Audio & Video
https://www.diyaudioandvideo.com/Calculator/ContourNetwork/
Design a Contour Network to correct a rising frequency response from your speaker driver. DIY Audio & Video Tutorials, FAQs, Calculators and Examples for Speaker Boxes, Crossovers, Filters, Wiring, Home Automation, Security & more DIY Audio and Video .com. Resize Text: aA aA aA. Toggle navigation Contents DIY Audio and Video Contents. DIY Audio ...
Equal Loudness Contour filter with MiniDSP. Can be done ...
https://www.diyaudio.com/community/threads/equal-loudness-contour-filter-with-minidsp-can-be-done.177361/
This is at the psycho acoustic level as is equal loudness curves (“loudness contour”). The effect of the varying impedance of the electrical attenuator (potentiometer) over the bandwidth of the signal is a reality, but it affects the high frequencies. The loudness contour issue we are discussing here, has to do mostly with the lower frequencies.
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