diff -pruN 0.8-2/debian/changelog 0.8-2ubuntu1/debian/changelog
--- 0.8-2/debian/changelog	2017-12-17 21:11:33.000000000 +0000
+++ 0.8-2ubuntu1/debian/changelog	2017-12-25 00:43:22.000000000 +0000
@@ -1,3 +1,13 @@
+sound-theme-freedesktop (0.8-2ubuntu1) bionic; urgency=medium
+
+  * Sync with Debian. Remaining change:
+    - debian/sound-theme-freedesktop.links
+      + Link front-center sample to audio-channel-mono so that testing a mono
+        bluetooth speaker plays a real sound rather than just white noise.
+        (LP: #1703946)
+
+ -- Jeremy Bicha <jbicha@ubuntu.com>  Sun, 24 Dec 2017 19:43:22 -0500
+
 sound-theme-freedesktop (0.8-2) unstable; urgency=medium
 
   * Update Vcs fields for conversion to git
diff -pruN 0.8-2/debian/control 0.8-2ubuntu1/debian/control
--- 0.8-2/debian/control	2017-12-17 21:11:33.000000000 +0000
+++ 0.8-2ubuntu1/debian/control	2017-12-25 00:43:22.000000000 +0000
@@ -3,7 +3,8 @@
 # Modifications should be made to debian/control.in instead.
 # This file is regenerated automatically in the clean target.
 Source: sound-theme-freedesktop
-Maintainer: Debian GNOME Maintainers <pkg-gnome-maintainers@lists.alioth.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debian GNOME Maintainers <pkg-gnome-maintainers@lists.alioth.debian.org>
 Uploaders: Jeremy Bicha <jbicha@debian.org>, Laurent Bigonville <bigon@debian.org>, Michael Biebl <biebl@debian.org>, Sjoerd Simons <sjoerd@debian.org>
 Section: sound
 Priority: optional
diff -pruN 0.8-2/debian/control.in 0.8-2ubuntu1/debian/control.in
--- 0.8-2/debian/control.in	2017-12-17 21:11:33.000000000 +0000
+++ 0.8-2ubuntu1/debian/control.in	2017-12-25 00:43:22.000000000 +0000
@@ -1,5 +1,6 @@
 Source: sound-theme-freedesktop
-Maintainer: Debian GNOME Maintainers <pkg-gnome-maintainers@lists.alioth.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debian GNOME Maintainers <pkg-gnome-maintainers@lists.alioth.debian.org>
 Uploaders: @GNOME_TEAM@
 Section: sound
 Priority: optional
diff -pruN 0.8-2/debian/sound-theme-freedesktop.links 0.8-2ubuntu1/debian/sound-theme-freedesktop.links
--- 0.8-2/debian/sound-theme-freedesktop.links	1970-01-01 00:00:00.000000000 +0000
+++ 0.8-2ubuntu1/debian/sound-theme-freedesktop.links	2017-12-25 00:43:22.000000000 +0000
@@ -0,0 +1 @@
+usr/share/sounds/freedesktop/stereo/audio-channel-front-center.oga	usr/share/sounds/freedesktop/stereo/audio-channel-mono.oga