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pulse audio ubuntu config for greater sound quality (/etc/pulse/daemon.conf)
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# customisation starts after default config | |
# taken from: https://medium.com/@gamunu/enable-high-quality-audio-on-linux-6f16f3fe7e1f | |
# | |
# (this url is duplicated below) | |
# | |
# | |
# | |
# This file is part of PulseAudio. | |
# | |
# PulseAudio is free software; you can redistribute it and/or modify | |
# it under the terms of the GNU Lesser General Public License as published by | |
# the Free Software Foundation; either version 2 of the License, or | |
# (at your option) any later version. | |
# | |
# PulseAudio is distributed in the hope that it will be useful, but | |
# WITHOUT ANY WARRANTY; without even the implied warranty of | |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
# General Public License for more details. | |
# | |
# You should have received a copy of the GNU Lesser General Public License | |
# along with PulseAudio; if not, see <http://www.gnu.org/licenses/>. | |
## Configuration file for the PulseAudio daemon. See pulse-daemon.conf(5) for | |
## more information. Default values are commented out. Use either ; or # for | |
## commenting. | |
; daemonize = no | |
; fail = yes | |
; allow-module-loading = yes | |
; allow-exit = yes | |
; use-pid-file = yes | |
; system-instance = no | |
; local-server-type = user | |
; enable-shm = yes | |
; enable-memfd = yes | |
; shm-size-bytes = 0 # setting this 0 will use the system-default, usually 64 MiB | |
; lock-memory = no | |
; cpu-limit = no | |
; high-priority = yes | |
; nice-level = -11 | |
; realtime-scheduling = yes | |
; realtime-priority = 5 | |
; exit-idle-time = 20 | |
; scache-idle-time = 20 | |
; dl-search-path = (depends on architecture) | |
; load-default-script-file = yes | |
; default-script-file = /etc/pulse/default.pa | |
; log-target = auto | |
; log-level = notice | |
; log-meta = no | |
; log-time = no | |
; log-backtrace = 0 | |
; resample-method = speex-float-1 | |
; avoid-resampling = false | |
; enable-remixing = yes | |
; remixing-use-all-sink-channels = yes | |
; remixing-produce-lfe = no | |
; remixing-consume-lfe = no | |
; lfe-crossover-freq = 0 | |
; flat-volumes = no | |
; rescue-streams = yes | |
; rlimit-fsize = -1 | |
; rlimit-data = -1 | |
; rlimit-stack = -1 | |
; rlimit-core = -1 | |
; rlimit-as = -1 | |
; rlimit-rss = -1 | |
; rlimit-nproc = -1 | |
; rlimit-nofile = 256 | |
; rlimit-memlock = -1 | |
; rlimit-locks = -1 | |
; rlimit-sigpending = -1 | |
; rlimit-msgqueue = -1 | |
; rlimit-nice = 31 | |
; rlimit-rtprio = 9 | |
; rlimit-rttime = 200000 | |
; default-sample-format = s16le | |
; default-sample-rate = 44100 | |
; alternate-sample-rate = 48000 | |
; default-sample-channels = 2 | |
; default-channel-map = front-left,front-right | |
; default-fragments = 4 | |
; default-fragment-size-msec = 25 | |
; enable-deferred-volume = yes | |
deferred-volume-safety-margin-usec = 1 | |
; deferred-volume-extra-delay-usec = 0 | |
; customisation start | |
; https://medium.com/@gamunu/enable-high-quality-audio-on-linux-6f16f3fe7e1f | |
default-sample-format = float32le | |
default-sample-rate = 48000 | |
alternate-sample-rate = 44100 | |
default-sample-channels = 2 | |
default-channel-map = front-left,front-right | |
default-fragments = 2 | |
default-fragment-size-msec = 125 | |
resample-method = soxr-vhq | |
enable-lfe-remixing = no | |
high-priority = yes | |
nice-level = -11 | |
realtime-scheduling = yes | |
realtime-priority = 9 | |
rlimit-rtprio = 9 | |
daemonize = no |
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