On 6/20/20 11:10 PM, Marco Calistri wrote:
Hi Marco and all,
I have finally found the root cause of the audio feedback described
above. I've not mentioned into the anomaly description that I'm using
Linux as O.S. and that the sound system is managed by pulseaudio, a
Linux sound framework which in turns can be regulated by alsamixer.
Many thanks for reporting about this strange effect.
I think that it's important to understand the strange relationship
between alsa and pulseaudio. At the side of the interface to the sound
card, pulseaudio is using alsa modules. But when a client want to
connect to the audio system in the ALSA style, it has to use a
compatibility interface of pulseaudio. Nevertheless, the recommanded way
to connect is the native pulseaudio interface.
Best wishes,
Claude (DJ0OT)
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