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Thread: Problems with channel map on pulseaudio with surround 5.1

  1. #1
    Join Date
    Jul 2008
    Ottobrunn SouthEast of Munich

    Default Problems with channel map on pulseaudio with surround 5.1

    Hi all,

    I have problems with OpenSUSE 13.2 and
    am using a pulseaudio (v5.0) configured for surround 5.1
    The problems seems to arise as the channel mapping is sick!

    I tried to tweak the config files in /etc/pulse/* and ~/.config/pulse/*

    Where is the unwanted configuration of the channel map:
    coming from?

    I want to have a mapping like: front-left,front-right,front-center,lfe,rear-left,rear-right

    Neither pavucontrol nor paman helped me to fix the channel map.

    The assignment of the Surround files is NOT AS EXPECTED!

    hafi@alice:/usr/tmp> pactl info
    Server String: unix:/run/user/500/pulse/native
    Library Protocol Version: 29
    Server Protocol Version: 29
    Is Local: yes
    Client Index: 68
    Tile Size: 65472
    User Name: hafi
    Host Name: alice
    Server Name: pulseaudio
    Server Version: 5.0-rebootstrapped
    Default Sample Specification: s16le 6ch 44100Hz
    Default Channel Map: front-left,front-left-of-center,front-center,front-right,front-right-of-center,rear-center
    Default Sink: alsa_output.pci-0000_01_00.1.hdmi-surround-extra1
    Default Source: alsa_input.usb-046d_0825_25D3C0F0-02-U0x46d0x825.analog-mono
    Cookie: 0b47:047e
    My content in /etc/pulse/daemon.conf is configured like this
    default-sample-format = s16le
    default-sample-rate = 44100
    alternate-sample-rate = 48000
    default-sample-channels = 6
    default-channel-map = front-left,front-right,front-center,lfe,rear-left,rear-right
    when I try use paplay...
    paplay out5.1-identifyChannels-48k-audacity.wav
    Warnung: Bestimmung der Kanalzuordnung aus Datei fehlgeschlagen.
    Is there anybody out there, who can help me with this issue ?

  2. #2
    Join Date
    Feb 2010
    Royse City, TX

    Default Re: Problems with channel map on pulseaudio with surround 5.1

    Try editing the file /usr/share/pulseaudio/alsa-mixer/profile-sets/default.conf. The only caveat is that updates to pulseaudio might end up overwriting it.
    Steve Coleman
    openSUSE LEAP 15
    openSUSE Tumbleweed

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