Bitrate is OK, but the preamble is off, it should be 0xAAAA (alternating 1 and 0). If a bit is a symbol here, then PreambleSymbols and PacketSymbols look right. I'm not sure what the length values mean here. At the very least, they're not the reciprocal of the bit rate.
On Saturday, March 16, 2019 at 9:50:04 PM UTC+1, [email protected] wrote: > > kobuki, > > May be here is the difference... > > Below are the outputs of rtldavis at startup. Do you notice anything > special at these settings? > > Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: 15:20:37.699861 BitRate: > 19200 > Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: 15:20:37.699886 > SymbolLength: 14 > Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: 15:20:37.699901 > SampleRate: 268800 > Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: 15:20:37.699987 Preamble: > 1100101110001001 > Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: 15:20:37.700006 > PreambleSymbols: 16 > Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: 15:20:37.700020 > PreambleLength: 224 > Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: 15:20:37.700032 > PacketSymbols: 80 > Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: 15:20:37.700046 > PacketLength: 1120 > Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: 15:20:37.700059 > BlockSize: 512 > Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: 15:20:37.700072 > BufferLength: 2048 > Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: Found Rafael Micro R820T > tuner > Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: Exact sample rate is: > 268800.001367 Hz > > Luc >
