Hi Timur,

I’m not sure if this is your main problem, but we generally don’t recommend 
using a Throttle block with hardware sources or sinks.  Instead, the hardware 
alone should control the sample rate.  It is plausible that your Throttle block 
is preventing the "osmocom Sink" from getting samples quickly enough.
-Jimmy
> On Dec 15, 2017, at 4:17 PM, Timur Karychev <tkary...@hs-mittweida.de> wrote:
> 
> Hi Marcus, 
> Please find attached Screenshots of (tx/rx) flowgraphs that I used to 
> transfer the file. 
> Without Codecs. The sound lasts well for several tens of seconds, then errors 
> are heard. I'm transmitting the wav file with 8 KHz Samplerate.
> 
> 
> I hope you can help in this matter. Looking forward to receiving your reply. 
> Thank you.
> Timur
> 
> 
> 
> On 15.12.2017 17:17, Müller, Marcus (CEL) wrote:
>> Hi Timur,
>> 
>> there's infinitely many things that can go wrong – this might be a
>> design mistake, this might be device imperfections, or this might
>> really just be noise on your wireless channel.
>> 
>> So, without you posting all details about your transmitter/receiver
>> implementation, this will be pretty impossible to answer!
>> 
>> Looking forward to more info,
>> Regards,
>> Marcus
> 
> <tx_BPSK.grc.png><rx_BPSK.png>_______________________________________________
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