diff options
Diffstat (limited to 'man/pulse-daemon.conf.5.xml.in')
| -rw-r--r-- | man/pulse-daemon.conf.5.xml.in | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/man/pulse-daemon.conf.5.xml.in b/man/pulse-daemon.conf.5.xml.in index d37de25c7..07be109cf 100644 --- a/man/pulse-daemon.conf.5.xml.in +++ b/man/pulse-daemon.conf.5.xml.in @@ -86,7 +86,8 @@ License along with PulseAudio; if not, see <http://www.gnu.org/licenses/>. <opt>src-sinc-medium-quality</opt>, <opt>src-sinc-fastest</opt>, <opt>src-zero-order-hold</opt>, <opt>src-linear</opt>, <opt>trivial</opt>, <opt>speex-float-N</opt>, - <opt>speex-fixed-N</opt>, <opt>ffmpeg</opt>. See the + <opt>speex-fixed-N</opt>, <opt>ffmpeg</opt>, <opt>soxr-mq</opt>, + <opt>soxr-hq</opt>, <opt>soxr-vhq</opt>. See the documentation of libsamplerate and speex for explanations of the different src- and speex- methods, respectively. The method <opt>trivial</opt> is the most basic algorithm implemented. If @@ -96,8 +97,15 @@ License along with PulseAudio; if not, see <http://www.gnu.org/licenses/>. exist in two flavours: <opt>fixed</opt> and <opt>float</opt>. The former uses fixed point numbers, the latter relies on floating point numbers. On most desktop CPUs the float point resampler is a lot faster, and it - also offers slightly better quality. See the output of - <opt>dump-resample-methods</opt> for a complete list of all + also offers slightly better quality. The soxr-family methods + are based on libsoxr, a resampler library from the SoX sound processing utility. + The mq variant has the best performance of the three. The hq is more expensive + and, according to SoX developers, is considered the best choice for audio of up to 16 bits per sample. + The vhq variant has more precision than hq and is more suitable for larger samples. The Soxr resamplers + generally offer better quality at less CPU compared to other resamplers, such as speex. + The downside is that they can add a significant delay to the output + (usually up to around 20 ms, in rare cases more). + See the output of <opt>dump-resample-methods</opt> for a complete list of all available resamplers. Defaults to <opt>speex-float-1</opt>. The <opt>--resample-method</opt> command line option takes precedence. Note that some modules overwrite or allow overwriting of the |