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audiotestsrc - GStreamer

    https://gstreamer.freedesktop.org/documentation/audiotestsrc/index.html
    Example: with a sample rate of 48 kHz and a sine wave frequency of 10 kHz, the first 4 samples are modulated by the cubic function. Example launch line gst-launch-1.0 audiotestsrc ! audioconvert ! autoaudiosink This pipeline produces a sine with default frequency, 440 Hz, and the default volume, 0.8 (relative to a maximum 1.0). ...

BluetoothPulseaudioTroubleshooting - Community Help …

    https://help.ubuntu.com/community/BluetoothPulseaudioTroubleshooting
    audiotestsrc wave=sine freq=512 ! audioconvert ! audioresample ! gconfaudiosink: Failed to connect: Connection refused. What should be done? By test all the options, my system is using alsa. Should there be a BluetoothAlsa instruction? bluetooth-alsa

Audio not working as regular user - CentOS

    https://forums.centos.org/viewtopic.php?t=9947
    audiotestsrc wave=sine freq=512 ! audioconvert ! audioresample ! gconfaudiosink profile = music: Could not open resource for writing. I assume its a permission on a file put can't seem to find its location and filename. Any help would be appreciated Thx

[ubuntu] HDA Intel ALC 268 sound card stopped working ...

    https://ubuntuforums.org/archive/index.php/t-1066615.html
    "audiotestsrc wave=sine freq=512 ! audioconvert ! audioresample ! gconfaudiosink: Could not open audio device for playback." For all other options, I never get any result. Autodetect just keeps testing pipeline and does nothing. I am attaching the etxt file with all the R&D that I did.

unable to install Soundblaster X-Fi Soundcard - Debian ...

    https://forums.debian.net/viewtopic.php?t=50316
    "audiotestsrc wave=sine freq=512 ! audioconvert ! audiosample ! gconfaudiosink: Could not open audio device for playback." By now I know, why the system is unable to open the device, because during the installation of Debian (Lenny) the system recognized another "sounddevice", which is called SP2208WFP.

Video sound uses a different source then audio (Xmod ...

    https://forums.linuxmint.com/viewtopic.php?t=26517
    audiotestsrc wave=sine freq=512 ! audioconvert ! audioresample ! gconfaudiosink: Could not open audio device for playback.) I also did this, which I found in the Ubuntuforums: ~ $ asoundconf list Names of available sound cards: SB HDMI Wireless and then: ~ $ asoundconf set-default-card Wireless.

Cannot get sound to work on Acer Aspire 1315LM laptop ...

    https://forums.debian.net/viewtopic.php?t=44444
    audiotestsrc wave=sine freq=512 ! audioconvert ! audioresample ! gconfaudiosink: Could not open resource for writing. I then looked at the wiki, which suggested I run alsaconf. The speakers popped a bit during configuration, which I took as a good sign, and the VIA 8235 sound card was recognised correctly, but upon reboot nothing seems to have ...

M Audio Delta 1010LT (No sound) - forums.opensuse.org

    https://forums.opensuse.org/showthread.php/398337-M-Audio-Delta-1010LT-(No-sound)
    audiotestsrc wave=sine freq=512 ! audioconvert ! audioresample ! gconfaudiosink profile=music: Could not get/set settings from/on resource. But I have just rearranged jack's in sound card and now I have sound in speakers but no in headphones

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