Audio/Alsa/Pulseaudio/ Mikrofon

Tue, 22/03/2016 - 12:54
Body
https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/PerfectSetup/ http://www.volkerschatz.com/noise/alsa.html https://bbs.archlinux.org/viewtopic.php?id=207072

Pulseaudio

pacmd list-sinks to list name or index number of possible sinks pacmd set-default-sink "SINKNAME" to set the default output sink pacmd set-default-source "SOURCENAME" to set the default input pacmd set-sink-volume index volume pacmd set-source-volume index volume for volume control (0 = Mute, 65536 = 100%) Wichtig wenn das Mikro in Skype nicht geht http://askubuntu.com/questions/163729/microphone-is-not-working-in-skype Eingestell twerden muss mein UBS Mic auf "Analog Mono Duplex" https://wiki.ubuntuusers.de/PulseAudio/ https://wiki.archlinux.org/index.php/Advanced_Linux_Sound_Architecture/Troubleshooting#Microphone http://alsa.opensrc.org/Record_from_mic http://equalarea.com/paul/alsa-audio.html

Liste HW

https://wiki.ubuntuusers.de/ALSA/ cat /proc/asound/cards aplay -L arecord -L pacmd list-sources

Restart PUlseaudio

pulseaudio -k pulseaudio --start

Record Test

https://linuxconfig.org/how-to-test-microphone-with-audio-linux-sound-architecture-alsa List Record Devices: arecord -l Record: arecord -f dat -d 10 -D hw:0,0 /tmp/test.wav Play: aplay -f dat /tmp/test.wav Unmute Über den Alsamixer prüfen ob der Anschluss mit RECORD beschriftet ist. Wenn nicht mi tder Leertaste aktivieren. amixer set 'Rear Mic' unmute

Mic Noise Reduction

https://wiki.archlinux.org/index.php/PulseAudio/Troubleshooting#Enable_Echo.2FNoise-Cancelation https://www.reddit.com/r/linux/comments/2yqfqp/just_found_that_pulseaudio_have_noise/ http://forums.debian.net/viewtopic.php?f=16&t=128306 https://userbase.kde.org/Simon/Tips,_Tricks_and_Best_Practices#Echo_Cancellation Umbenennen von Devices https://unix.stackexchange.com/questions/316067/change-what-pulseaudio-calls-a-device/316098#316098 https://www.youtube.com/watch?v=2BzSA4eQJeE https://wiki.archlinux.org/index.php/PulseAudio/Examples pacmd list-sinks | grep name: pacmd list-sources | grep name: pactl list short sinks https://unix.stackexchange.com/questions/65246/change-pulseaudio-input-output-from-shell pacmd list-sources | grep "USB Audio CODEC" cat /proc/asound/card?/usbmixer pacmd update-sink-proplist alsa_output.usb-Burr-Brown_from_TI_USB_Audio_CODEC-00.analog-mono alsa.card_name="BehringerUMC22"

Mikrofon und Systemsound aufnehmen

Loopback! pactl load-module module-loopback siehe: https://www.youtube.com/watch?v=RSeINGM68A8
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