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PostPosted: Wed Jan 31, 2018 4:06 pm 

Joined: Fri Dec 27, 2013 12:30 am
Posts: 126
Is there such a filter in ST? A recent FB post strongly suggested that for a low power FM, turning such a filter on would improve 50dBu/fringe signals when generating MPX. Note, NOT the main carrier signal.

If so , please point it to me and suggested settings if not on/off.


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PostPosted: Wed Jan 31, 2018 6:19 pm 

Joined: Sat Aug 08, 2015 11:45 am
Posts: 25
You can use the "Center Bass" in Processing -> Stereo -> Stereo Image. The low frequencies will be monophonic. Maybe you earn a little bit less MPX power.


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PostPosted: Fri Feb 02, 2018 3:46 pm 

Joined: Fri Dec 27, 2013 12:30 am
Posts: 126
Thank you! I think this affects the main signal which I don't believe was the idea... I tried it anyway, don't think it made much difference either way.


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PostPosted: Sun Feb 04, 2018 6:23 am 

Joined: Wed Nov 08, 2017 3:16 pm
Posts: 7
you are looking to filter-process only the MPX portion of the sound, to remove low frequencies below a set point ?
yes, i am sure it can be done, it doesnt currently exist though.
perhaps an adjustable high/low pass filter for MPX would work but you have to think about how this might alienate the sound to those listening depending on what frequency you want to cut.


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PostPosted: Sun Feb 04, 2018 6:27 am 

Joined: Wed Nov 08, 2017 3:16 pm
Posts: 7
Quote:
You can use the "Center Bass" in Processing -> Stereo -> Stereo Image. The low frequencies will be monophonic. Maybe you earn a little bit less MPX power.
thats only effective if those low frequencies on MPX (i believe the filter high cutoff is 200Hz) are out of phase which is rare.
what hes wanting is a low/high pass filter only for MPX.


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