From 394748f8ce6e99eb7ad392fa62631c42a2425d73 Mon Sep 17 00:00:00 2001
From: Eric Hameleers <alien@slackware.com>
Date: Thu, 25 Jun 2020 19:23:16 +0200
Subject: DAW: make pulseaudio use 48 KHz sample rate, like JACK and ALSA

---
 make_slackware_live.sh | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/make_slackware_live.sh b/make_slackware_live.sh
index 38bd6ca..2914d39 100755
--- a/make_slackware_live.sh
+++ b/make_slackware_live.sh
@@ -2079,6 +2079,19 @@ if [ "$LIVEDE" = "DAW" ]; then
   # Stream ALSA through Pulse and all through Jack. This is achieved by
   # having pulseaudio-jack module installed and starting jack-dbus:
 
+  # We default to using a 48000 Hz sample rate throughout, assuming that
+  # modern sound hardware will support this, and it lowers the latency:
+  if [ -f ${LIVE_ROOTDIR}/etc/pulse/daemon.conf ]; then
+    cat <<EOT >> ${LIVE_ROOTDIR}/etc/pulse/daemon.conf
+; Run 'pulseaudio --dump-resample-methods' for all possible options.
+; We want higher-quality resampling than the default:
+resample-method = speex-float-9
+; Jack is configured for 48KHz so let's make pulseaudio use it too:
+default-sample-rate = 48000
+alternate-sample-rate = 44100
+EOT
+  fi
+
   mkdir -p ${LIVE_ROOTDIR}/home/${LIVEUID}/.config/rncbc.org
   cat <<EOT > ${LIVE_ROOTDIR}/home/${LIVEUID}/.config/rncbc.org/QjackCtl.conf
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