diff --git a/README.md b/README.md index 7a40e46b..4323b727 100644 --- a/README.md +++ b/README.md @@ -68,6 +68,7 @@ See [CONTRIBUTING.md](./docs/CONTRIBUTING.md). [-Y autolevel] Set minlevel automatically based on average estimated noise. [-Y squelch] Skip frames below estimated noise level to reduce cpu load. [-Y ampest | magest] Choose amplitude or magnitude level estimator. + [-Y filter=] Manual FM low-pass filter cutoff to separate simultaneous transmissions: us (1-9999, e.g. 20), Hz (10000+), or ratio of sample rate (0.0-1.0). = Analyze/Debug options = [-A] Pulse Analyzer. Enable pulse analysis and decode attempt. Disable all decoders with -R 0 if you want analyzer output only. diff --git a/man/man1/rtl_433.1 b/man/man1/rtl_433.1 index 747b2a91..629d0e50 100644 --- a/man/man1/rtl_433.1 +++ b/man/man1/rtl_433.1 @@ -105,6 +105,9 @@ Skip frames below estimated noise level to reduce cpu load. .TP [ \fB\-Y\fI ampest | magest\fP ] Choose amplitude or magnitude level estimator. +.TP +[ \fB\-Y\fI filter=\fP ] +Manual FM low\-pass filter cutoff to separate simultaneous transmissions: us (1\-9999, e.g. 20), Hz (10000+), or ratio of sample rate (0.0\-1.0). .SS "Analyze/Debug options" .TP [ \fB\-A\fI\fP ] diff --git a/src/rtl_433.c b/src/rtl_433.c index ea8390f8..65a01a5e 100644 --- a/src/rtl_433.c +++ b/src/rtl_433.c @@ -141,6 +141,7 @@ static void usage(int exit_code) " [-Y autolevel] Set minlevel automatically based on average estimated noise.\n" " [-Y squelch] Skip frames below estimated noise level to reduce cpu load.\n" " [-Y ampest | magest] Choose amplitude or magnitude level estimator.\n" + " [-Y filter=] Manual FM low-pass filter cutoff to separate simultaneous transmissions: us (1-9999, e.g. 20), Hz (10000+), or ratio of sample rate (0.0-1.0).\n" "\t\t= Analyze/Debug options =\n" " [-A] Pulse Analyzer. Enable pulse analysis and decode attempt.\n" " Disable all decoders with -R 0 if you want analyzer output only.\n"