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keenerd keenerd at gmail.comOn 11/29/12, Pete Zaitcev <zaitcev at kotori.zaitcev.us> wrote: > But another thing is that rtl_fm just won't work until the signal is > strong enough. Maybe you should try increasing the gain. > Final command line was this: > rtl_fm -l 0 -f 99.5e6 -N -s 170e3 -o 4 -A -r 24e3 - | \ > aplay -r 24k -f S16_LE -t raw -c 1 Really, much smarter to use -W instead. You are losing a moderate amount of the signal. First, wbfm is slightly off center pushing 10% of the signal out of range. Second, it carries audio information up to 16kHz and resampling at 24ks/s discards another 25%. rtl_fm -W -f 99.5e6 -g 49 | aplay -r 32k -f S16_LE -t raw -c 1 will work better. No reason to spell it out the long way. -Kyle