On Mon, Jun 9, 2014 at 1:57 PM, dushyant.marathe <dushyantmara...@gmail.com> wrote:
> Hello list, > > I am simulating Voice transmission system in GRC using 'GMSK Mod', 'GMSK > Demod' in loop without any channel in between & My flow graph configuration > is as follows: > > Wav file source -> Throttle -> Packet encoder -> GMSK Mod -> GMSK Demod -> > Packet decoder -> Wav file sink/Scope/FFT Sink. > > When I execute the above flow graph, I get output at Scope, FFT Sink. > Also it writes wav file using 'Wav file sink' block, but I am not able to > play that wav file, it gives error. > You didn't mention how you played the wave file. Take note that in gnuradio, audio sink accepts floating point samples in the range of -1 and +1. [1] Beyond the range you will get clipping error. 1. http://gnuradio.org/redmine/projects/gnuradio/wiki/TutorialsWritePythonApplications#A-first-working-code-example
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