gqrx-sdr / gqrx

Software defined radio receiver powered by GNU Radio and Qt.
http://gqrx.dk
GNU General Public License v3.0
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Delayed squelch #1314

Open MightyPork opened 1 year ago

MightyPork commented 1 year ago

Using squelch on CW and SSB signals results in choppy audio as it keeps muting in the middle of a symbol or word.

An elegant solution would be if the squelch gate remained open some configurable time after the signal level drops below the threshold.

using version 2.16

willcode commented 1 year ago

Gqrx uses the GNU Radio "Simple Squelch" block in the rx nbrx chain. This (and all the GR squelch blocks) has a single alpha value for attack/release, so there's a little work to change the behavior. Might have to make a new block.