Re: help request with simple live mic tx

Why are you doing short to float, if the output of the audio source is already float?


On 30.03.21 01:47, Stefano Zorzanello wrote:
> Dear list,
>
> as a newbie I ask you for your help with the attached file. For a sound-installation
> purpose I'd like to transmit a weak signal, which is generated live, over a particular FM
> frequency. In my attempt based on a grc file found here
> https://wiki.gnuradio.org/index.php/Simulation_example:_AM_transmitter_and_receiver
> <https://wiki.gnuradio.org/index.php/Simulation_example:_AM_transmitter_and_receiver> I
> get errors even if I change the vector lenght to 2 of [short to float] and [multiply
> const] blocks, and I don't know what values to change in order to make it work.
>
> Any help is greatly appreciated,
>
> thank you
>
> stefano
>
> system:
>
> HackRF one
>
> Raspberrypi + usb card for input
>
> GRC 3.8.2.0
>
>
>