GUAC-1354: Use ArrayBuffer.slice - do not call slice directly on typed arrays (not widely supported).

guacamole-common-js/src/main/webapp/modules/AudioPlayer.js

@@ -332,8 +332,8 @@ Guacamole.RawAudioPlayer = function RawAudioPlayer(stream, mimetype) {
         // Otherwise, split the packet into two new packets according to the
         // calculated optimal split length
         return [
-            data.slice(0, optimalSplitLength),
-            data.slice(optimalSplitLength)
+            new SampleArray(data.buffer.slice(0, optimalSplitLength * format.bytesPerSample)),
+            new SampleArray(data.buffer.slice(optimalSplitLength * format.bytesPerSample))
         ];
 
     };