I need some help using the tx_voice.py. I am trying to transmit an audio
stream preferably coming from the computer’s soundcard microphone input.
I tried running the following command:
sudo ./tx_voice.py -f 99.3M
The following is what I get:
“992 items of size 33. Due to alignment requirements
4096 were allocated. If this isn’t OK, consider padding
your structure to a power-of-two bytes.
On this platform, our allocation granularity is 4096 bytes.”
Does nothing for a little bit but then gives:
“snd_pcm_readi error” or something.
I am using default “hw:0,0” because I tried using audio_play.py with
hw:0,0 and I could hear the file therefore, I believed it is a valid
device location for the soundcard. I am using a Basic TX right now to
perform this. I would eventually like to receive the audio using an FM
radio and I believe GMSK modulation can would make it able to be
listened on an FM radio. Therefore, I am trying to use the default
modulation. Has anyone tried something like this? I heard a few threads
with similar information but couldn’t get a clear idea.
Thank you in advance,
Omar
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