What is the result when recording the device output directly with parec -d <device>?
On Fri, Oct 2, 2020 at 11:31 AM Mike Fisher <mike@xxxxxxxxxxx> wrote:
_______________________________________________Fresh reboot.I ran these 4 commands simultaneously:arecord -f cd ALSAoutput.wavparecord PAoutput.wavgnome-sound-recorderaudacityAll volumes to 100%Started them all recording at the same time, and here are my results.arecord -f cd ALSAoutput.wav Full deflectionparecord PAoutput.wav Full deflectiongnome-sound-recorder 50% deflectionaudacity Full deflectionI did not use pasuspender for any test.It used to be the case that if I had pulse running it would grab ALSA, and no other applications could use ALSA directly. They had to use pulse which allows more than one application to use sound at the same time. I would open Audacity using the pulse host. Then I would only get 50% max deviation.I don't know what changed, but this is actually the first time I have ever gotten audacity to get full deviation without having toauto spawn=no; pulseaudio -kThen launch Audacity to grab ALSA which causes other apps to be blocked.So this is a good start. Audacity now only sees ALSA as host, and pulse is no longer available as a host. This is confusing me as this never happened before while pulse was still running. I know pulse is running because pavucontrol still shows all its controls.So I reboot and repeat the test to find out that I get the same result a/s above. Audacity has full deviation with pulse running (Audacity only sees ALSA, but works nonetheless). So what am I bitching about, it seems to be working. I should be happy and just go away without understanding WHY this is working. except for 1 item.gnome-sound-recorder only gets 50% max deviation AT THE SAME TIME as 3 other applications are getting 100% ma deviation. WHAT????So I have 4 sound clips recorded by 4 different apps all using pulse audio 3 of them get 100% max deviation and one does not.Here is a fresh system config from right after the above test.Man I hope someone can help me finger this all out.
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