Actually, it seems that issue is in pulseaudio. Sound is choppy. When I use alsa to play sound, then everything is OK.
Package: pulseaudio State: installed Automatically installed: yes Version: 1:0.9.22+stable-queue-24-g67d18-0ubuntu3.1 Priority: optional Section: sound Maintainer: Ubuntu Core Developers <[email protected]> Uncompressed Size: 2,449 k Depends: libasound2 (> 1.0.24.1), libc6 (>= 2.9), libdbus-1-3 (>= 1.0.2), libice6 (>= 1:1.0.0), libltdl7 (>= 2.2.6b), libpulse0 (= 1:0.9.22+stable-queue-24-g67d18-0ubuntu3.1), libsamplerate0, libsm6, libsndfile1 (>= 1.0.20), libspeexdsp1 (>= 1.2~beta3.2-1), libtdb1 (>= 1.2.7+git20101214), libudev0 (>= 147), libx11-6, libx11-xcb1, libxcb-atom1 (>= 0.3.6), libxcb1, libxtst6, adduser, lsb-base (>= 3), consolekit, libasound2-plugins, pulseaudio-utils Recommends: pulseaudio-module-x11, gstreamer0.10-pulseaudio, pulseaudio-esound-compat, rtkit Suggests: pavumeter, paman, paprefs, pulseaudio-module-raop Conflicts: libltdl3 (< 1.5.24-1), pulseaudio-module-rygel-media-server (< 1:0.9.22+stable-queue-24-g67d18-0ubuntu3.1), pulseaudio-module-udev (< 1:0.9.22+stable-queue-24-g67d18-0ubuntu3.1) Replaces: pulseaudio-module-hal, pulseaudio-module-rygel-media-server (< 1:0.9.22+stable-queue-24-g67d18-0ubuntu3.1), pulseaudio-module-udev (< 1:0.9.22+stable-queue-24-g67d18-0ubuntu3.1) Provides: pulseaudio-module-hal, pulseaudio-module-rygel-media-server, pulseaudio-module-udev Description: PulseAudio sound server -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/703171 Title: [CS4281 - Cirrus Logic CS4281] Playback problem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/703171/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
