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<div class="moz-cite-prefix">On 09/19/2016 06:50 AM, Stefan Kleyer
wrote:<br>
</div>
<blockquote
cite="mid:trinity-2d4b267a-7632-492e-a573-b42bd1fc0622-1474289400188@3capp-gmx-bs11"
type="cite">
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<div>
<div>Hi,</div>
<div> </div>
<div>as far as I know, ALSA is working, but ALSA can only
accept audio input from one stream. So <br>
if e.g. you are playing music via media player, Firefox
can't play a YouTube video with audio.</div>
<div> </div>
<div>Pulseaudio is kind of a wrapper for ALSA, that allows the
OS to play sound from multiple <br>
sources and to multiple sound devices. So it is:</div>
<div><br>
audio source (e.g. VLC) -> Pulseaudio -> ALSA ->
sound device</div>
<div><br>
So you need ALSA in order to have sound. You can
alternatively try JACK (<a class="moz-txt-link-freetext" href="http://">http://</a><br>
jackaudio.org/) instead of Pulseaudio but it's specifically
made for audio professionals such <br>
as DJs etc. Afaik ALSA is in Linux the "base of sound" if
you say so.</div>
<div> </div>
<div>Please correct me, if I'm wrong, but that's what I get.</div>
<div> </div>
<div>Best regards,<br>
Stefan</div>
<div>
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<div style="margin:0 0 10px 0;"><b>Gesendet:</b> Montag,
19. September 2016 um 14:08 Uhr<br>
<b>Von:</b> "Marlon Ng" <a class="moz-txt-link-rfc2396E" href="mailto:guikaye@gmail.com"><guikaye@gmail.com></a><br>
<b>An:</b> <a class="moz-txt-link-abbreviated" href="mailto:lubuntu-users@lists.ubuntu.com">lubuntu-users@lists.ubuntu.com</a><br>
<b>Betreff:</b> [lubuntu-users] always have to use
pulseaudio volume control?</div>
<div name="quoted-content">
<div>
<div>
<div>
<div>Hello guys. I was just wondering if
installing Pulseaudio Volume Control is really
necessary to have sound in a Lubuntu system.<br>
</div>
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.<br>
</div>
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?<br>
</div>
Thanks!</div>
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<br>
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<br>
</blockquote>
<br>
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. <br>
<br>
Unfortunately (as it is with ASIO in Windows), it is hard to make it
co-exist well with ordinary (ALSA) devices. <br>
<br>
PulseAudio Volume Control gives you a better GUI interface (than
ALSA mixer) for controlling your audio devices. <br>
<pre class="moz-signature" cols="72">--
Sincerely,
Aere</pre>
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