Thank you Mike
On Tue, Apr 29, 2014 at 1:59 PM, Mike Jameson <m...@scanoo.com> wrote: > The 'NBFM receive' block's 'audio rate' must be stated as it is the value > for the output sample rate of the block. Yes, this can be the same as > 'quadrature rate', which is the value for the input sample rate of the > block, or what sample rate it expects to receive, however the 'audio rate' > must be the result of dividing 'quadrature rate' by an integer (also known > as audio decimation in the next paragraph), in the latter case this would > be '96000/1=96000. > > Note that when using the 'NBFM receive' block for example, if the > 'quadrature rate' was '96000' and the 'audio rate' was '48000' then the 'AM > demod' block would have the equivalent values of 'channel rate' = '96000' > and 'audio decimation' of 2. > > Mike > > -- > Mike Jameson M0MIK BSc MIET > Email: m...@scanoo.com > Web: http://scanoo.com > > > On Tue, Apr 29, 2014 at 5:55 AM, ali hanif <alihanif...@gmail.com> wrote: > >> That means if i am not using sound card then there is no need to mention >> audio rate??and quadrature rate will be equal to sample rate? >> >> >> On Mon, Apr 28, 2014 at 9:16 PM, Mike Jameson <m...@scanoo.com> wrote: >> >>> 'Quadrature Rate' is the rate that samples come into the block. >>> >>> 'Audio Rate' is the rate that samples are sent to your sound card. >>> >>> 'Tau' is described in the following link: >>> >>> http://gnuradio.4.n7.nabble.com/preemph-time-constant-td26659.html >>> >>> Mike >>> >>> -- >>> Mike Jameson M0MIK BSc MIET >>> Email: m...@scanoo.com >>> Web: http://scanoo.com >>> >>> >>> On Mon, Apr 28, 2014 at 10:10 AM, ali hanif <alihanif...@gmail.com>wrote: >>> >>>> Can anybody explain to me the following parameters of NBFM block in >>>> GRC: >>>> Audio rate >>>> Quadrature rate >>>> Tau >>>> >>>> >>>> _______________________________________________ >>>> Discuss-gnuradio mailing list >>>> Discuss-gnuradio@gnu.org >>>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >>>> >>>> >>> >> >
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