I'm not sure how Pulseaudio and ALSA are related, but I know some softwares require pulseaudio to work, e.g. Skype.
2016-09-19 13:10 GMT-03:00 Aere Greenway <[email protected]>: > On 09/19/2016 06:50 AM, Stefan Kleyer wrote: > > Hi, > > as far as I know, ALSA is working, but ALSA can only accept audio input > from one stream. So > if e.g. you are playing music via media player, Firefox can't play a > YouTube video with audio. > > Pulseaudio is kind of a wrapper for ALSA, that allows the OS to play sound > from multiple > sources and to multiple sound devices. So it is: > > audio source (e.g. VLC) -> Pulseaudio -> ALSA -> sound device > > So you need ALSA in order to have sound. You can alternatively try JACK ( > http:// > jackaudio.org/) instead of Pulseaudio but it's specifically made for > audio professionals such > as DJs etc. Afaik ALSA is in Linux the "base of sound" if you say so. > > Please correct me, if I'm wrong, but that's what I get. > > Best regards, > Stefan > > *Gesendet:* Montag, 19. September 2016 um 14:08 Uhr > *Von:* "Marlon Ng" <[email protected]> <[email protected]> > *An:* [email protected] > *Betreff:* [lubuntu-users] always have to use pulseaudio volume control? > Hello guys. I was just wondering if installing Pulseaudio Volume Control > is really necessary to have sound in a Lubuntu system. > > The default is ALSA Mixer, correct? When I was started using Lubuntu and > there was no sound, someone told me to install Pulseaudio, and I have been > using Pulseaudio ever since, it is one of the first things I install in > order to have sound. > > My question is, is it really necessary? Isn't there a way to make ALSA > mixer work? Because if it doesn't work, then why is it always bundled with > Lubuntu? > > Thanks! > -- Lubuntu-users mailing list [email protected] Modify > settings or unsubscribe at: https://lists.ubuntu.com/ > mailman/listinfo/lubuntu-users > > > > JACK (Jack Audio Connection Kit) is a good thing to have, being low > overhead, and it lets you connect arbitrary audio and MIDI devices. It's > (to me) the "ASIO device driver" of the Linux world. > > Unfortunately (as it is with ASIO in Windows), it is hard to make it > co-exist well with ordinary (ALSA) devices. > > PulseAudio Volume Control gives you a better GUI interface (than ALSA > mixer) for controlling your audio devices. > > -- > Sincerely, > Aere > > > -- > Lubuntu-users mailing list > [email protected] > Modify settings or unsubscribe at: https://lists.ubuntu.com/ > mailman/listinfo/lubuntu-users > >
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