2.
以普通用户身份执行以下命令将结果全部复制贴上来
代码: 全选
dpkg -l | grep pulse
speaker-test -l1 -twav
[/quote]
$ dpkg -l | grep pulse
ii gir1.2-cvc-1.0 3.0.2+sarah amd64 Utility library for volume control of pulseaudio from gobject-based
ii gstreamer0.10-pulseaudio:amd64 0.10.31-3+nmu4ubuntu2~gcc5.1 amd64 GStreamer plugin for PulseAudio
ii gstreamer1.0-pulseaudio:amd64 1.8.2-1ubuntu0.1 amd64 GStreamer plugin for PulseAudio
ii libcanberra-pulse:amd64 0.30-2.1ubuntu1 amd64 PulseAudio backend for libcanberra
ii libcvc0:amd64 3.0.2+sarah amd64 Utility library for volume control of pulseaudio from gobject-based
ii libpulse-mainloop-glib0:amd64 1:8.0-0ubuntu3 amd64 PulseAudio client libraries (glib support)
ii libpulse-mainloop-glib0:i386 1:8.0-0ubuntu3 i386 PulseAudio client libraries (glib support)
ii libpulse0:amd64 1:8.0-0ubuntu3 amd64 PulseAudio client libraries
ii libpulse0:i386 1:8.0-0ubuntu3 i386 PulseAudio client libraries
ii libpulsedsp:amd64 1:8.0-0ubuntu3 amd64 PulseAudio OSS pre-load library
ii libpulsedsp:i386 1:8.0-0ubuntu3 i386 PulseAudio OSS pre-load library
ii pulseaudio 1:8.0-0ubuntu3 amd64 PulseAudio sound server
ii pulseaudio-module-bluetooth 1:8.0-0ubuntu3 amd64 Bluetooth module for PulseAudio sound server
ii pulseaudio-module-x11 1:8.0-0ubuntu3 amd64 X11 module for PulseAudio sound server
ii pulseaudio-utils 1:8.0-0ubuntu3 amd64 Command line tools for the PulseAudio sound server
$ speaker-test -l1 -twav
speaker-test 1.1.0
Playback device is default
Stream parameters are 48000Hz, S16_LE, 1 channels
WAV file(s)
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 192 to 2097152
Period size range from 64 to 699051
Using max buffer size 2097152
Periods = 4
was set period_size = 524288
was set buffer_size = 2097152
0 - Front Left
Time per period = 1.483947