April 2010
Beginner
464 pages
12h 7m
English
Content preview from Ubuntu: Up and RunningBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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PulseAudio
The standard sound server in Ubuntu is PulseAudio, a background process that takes input from multiple sources, processes it, and outputs it to multiple sound cards, servers, or other processes. The idea is to allow all audio streams to integrate seamlessly with each other to provide crystal-clear sound, no matter how the input streams are combined.
Although it’s not essential to have it installed in order to play sound, PulseAudio features, among many other things, per-application volume controls, compatibility with most popular audio applications, and high-quality resampling, and it even handles network audio. So it’s a very useful and powerful program to have installed.
However, there have been reports of sound problems on certain setups, such as scratchy sound and random pops, or even no sound at all. So if you’ve tried everything else and still can’t get the sound to work correctly in Ubuntu, you may be able to solve the problem by uninstalling PulseAudio.
To do this, make sure that you do not have Synaptic running, and then open a Terminal window by selecting Applications → Accessories → Terminal. Then enter the following, providing your password when asked:
sudo apt-get remove pulseaudioHopefully the issue will now be solved, but you may still wish to try reinstalling a future release of PulseAudio (which may now work for you) in order to gain use of the features it offers. To do this, you would enter the following from a Terminal window prompt:
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.