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Audio/Alsa/Pulseaudio/ Mikrofon

Inhaltsverzeichniss

    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"

    Helpdesk: