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From: | 相良洸希 |
Subject: | real time voice communication by CPFSK |
Date: | Tue, 11 Aug 2020 15:26:28 +0900 |
Hello!
I am challenging real time voice communication by CPFSK.
I am creating a flow graph like the one in the photo and testing it, but the audio is intermittently played due to audio underrun.
I am new to GNUradio and I don't know the cause and solution. What is wrong? And is my approach correct?
For the time being, I tried changing the buffer size of alsa with reference to this, but it could not be resolved. (I was able to play only when samples/symbol=1)
https://www.ruby-forum.com/t/first-time-user-fm-radio-tutorial-has-choppy-audio/233815/12
The environment is Ubuntu 18.04 and gnuradio is 3.7.13.4.
I'm sorry for my poor English.
thank you for reading!
CPFSK_audio_TxRx_simu.png
Description: PNG image
CPFSK_audio_TxRx_simu.grc
Description: application/gnuradio-grc
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