Try converting to endianness

briar-desktop/src/main/kotlin/org/briarproject/briar/desktop/utils/AudioUtils.kt

@@ -20,6 +20,7 @@ package org.briarproject.briar.desktop.utils
 
 import org.briarproject.briar.desktop.utils.ResourceUtils.getResourceAsStream
 import java.io.BufferedInputStream
+import javax.sound.sampled.AudioFormat
 import javax.sound.sampled.AudioSystem
 import javax.sound.sampled.Clip
 
@@ -29,8 +30,13 @@ object AudioUtils {
         val resourceStream = getResourceAsStream(name) ?: return null
         val bufferedStream = BufferedInputStream(resourceStream) // add buffer for mark/reset support
         val audioInputStream = AudioSystem.getAudioInputStream(bufferedStream)
+        val f = audioInputStream.format
+        val audioInputStream2 = AudioSystem.getAudioInputStream(
+            AudioFormat(f.encoding, f.sampleRate, f.sampleSizeInBits, f.channels, f.frameSize, f.frameRate, true),
+            audioInputStream
+        )
         val sound = AudioSystem.getClip()
-        sound.open(audioInputStream)
+        sound.open(audioInputStream2)
         return sound
     }
 

briar-desktop/src/test/kotlin/org/briarproject/briar/desktop/TestPlayAudio.kt

+/*
+ * Briar Desktop
+ * Copyright (C) 2021-2022 The Briar Project
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package org.briarproject.briar.desktop
+
+import org.briarproject.briar.desktop.notification.SoundNotificationProvider
+import org.briarproject.briar.desktop.utils.AudioUtils
+import org.briarproject.briar.desktop.utils.AudioUtils.play
+import javax.sound.sampled.AudioFormat
+import javax.sound.sampled.AudioSystem
+
+fun main() {
+    val sound = AudioUtils.loadAudioFromResource("/audio/notification.wav") ?: throw Exception()
+    sound.play()
+}