diff --git a/media-sound/deinvert/deinvert-9999.ebuild b/media-sound/deinvert/deinvert-9999.ebuild
new file mode 100644
index 000000000..79ca6ce88
--- /dev/null
+++ b/media-sound/deinvert/deinvert-9999.ebuild
@@ -0,0 +1,31 @@
+# Copyright 1999-2022 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+inherit git-r3 autotools
+
+DESCRIPTION="A voice inversion descrambler"
+HOMEPAGE="https://github.com/windytan/deinvert"
+SRC_URI=""
+EGIT_REPO_URI="https://github.com/windytan/deinvert.git"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS=""
+IUSE="+liquid +wav"
+
+DEPEND="liquid? ( net-libs/liquid-dsp )
+		wav? ( media-libs/libsndfile )
+"
+RDEPEND="${DEPEND}"
+
+src_prepare() {
+	eapply_user
+	eautoreconf
+}
+
+src_configure() {
+	econf \
+		$(use_with liquid) \
+		$(use_with wav sndfile)
+}
diff --git a/media-sound/deinvert/metadata.xml b/media-sound/deinvert/metadata.xml
new file mode 100644
index 000000000..617359842
--- /dev/null
+++ b/media-sound/deinvert/metadata.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>radio@gentoo.org</email>
+		<name>Radio</name>
+	</maintainer>
+	<use>
+		<flag name="liquid">improve sound quality using <pkg>net-libs/liquid-dsp</pkg></flag>
+		<flag name="wav">wav file support using <pkg>media-libs/libsndfile</pkg></flag>
+	</use>
+</pkgmetadata>
diff --git a/profiles/pentoo/base/package.unmask b/profiles/pentoo/base/package.unmask
index f13582b50..86a5c6bd3 100644
--- a/profiles/pentoo/base/package.unmask
+++ b/profiles/pentoo/base/package.unmask
@@ -21,3 +21,4 @@ dev-python/simplespectral
 dev-python/simplesoapy
 net-wireless/soapy_power
 net-wireless/nanovna-saver
+media-sound/deinvert