modified on 18 May 2010 at 19:05 ••• 18,254 views


From Maties Ubuntu

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Check that you have connected everything correctly to your computer. Modern sound cards allow various numbers of speakers to be attached. Read the instruction manual that came with your computer or sound card manufacturer to verify the correct connection sequence.

If you are sure that all speakers and equipment are correctly connected then check volume levels and mute functions by right-clicking on the volume control applet on the taskbar (check for the speaker icon) or check in the system settings panel.

If all else fails then try:


Better Pulseaudio Sound Quality

Edit /etc/pulse/daemon.conf:

gksudo gedit /etc/pulse/daemon.conf

Find the following line:

resample-method = speex-float-1

You can change the resampler to any of the following, listed in descending order, from highest quality to lowest quality (and therefore, CPU usage):

  • src-sinc-best-quality, src-sinc-medium-quality, src-sinc-fastest, speex-float-{10-0}, speex-fixed-{10-0}, ffmpeg, src-zero-order-hold, src-linear, trivial

Now reboot and enjoy.