diff --git a/libsrc/ffdec_lib/testdata/sounds/sounds.swd b/libsrc/ffdec_lib/testdata/sounds/sounds.swd
new file mode 100644
index 000000000..57b2fcacc
Binary files /dev/null and b/libsrc/ffdec_lib/testdata/sounds/sounds.swd differ
diff --git a/libsrc/ffdec_lib/testdata/sounds/sounds.swf b/libsrc/ffdec_lib/testdata/sounds/sounds.swf
index 5b54f04c0..79931dbb2 100644
Binary files a/libsrc/ffdec_lib/testdata/sounds/sounds.swf and b/libsrc/ffdec_lib/testdata/sounds/sounds.swf differ
diff --git a/libsrc/ffdec_lib/testdata/sounds/sounds/DOMDocument.xml b/libsrc/ffdec_lib/testdata/sounds/sounds/DOMDocument.xml
index 988fda413..64e13074f 100644
--- a/libsrc/ffdec_lib/testdata/sounds/sounds/DOMDocument.xml
+++ b/libsrc/ffdec_lib/testdata/sounds/sounds/DOMDocument.xml
@@ -3,7 +3,8 @@
           <DOMFontItem name="Font 1" itemID="604e2b4c-00000400" font="TimesNewRomanPSMT" size="0" id="1" sourceLastImported="1615735628" embedRanges="1|2"/>
      </fonts>
      <media>
-          <DOMSoundItem name="514508_gis-sweden_background-techno-loop131bpm_part.mp3" itemID="63a9b533-000001ee" sourceExternalFilepath="./LIBRARY/514508_gis-sweden_background-techno-loop131bpm_part.mp3" sourceLastImported="1672066220" externalFileSize="964275" href="514508_gis-sweden_background-techno-loop131bpm_part.mp3" soundDataHRef="M 3 1672066332.dat" format="44kHz 16bit Stereo" sampleCount="2626560" exportFormat="1" exportBits="7" dataLength="952947" exportNative="true" cacheFormat="5kHz 8bit Stereo" cachedSampleCount="328320"/>
+          <DOMSoundItem name="203066__enjoypa__counting-from-1-to-20.mp3" itemID="63aa97da-00000200" sourceExternalFilepath="./LIBRARY/203066__enjoypa__counting-from-1-to-20.mp3" sourceLastImported="1672124292" externalFileSize="320619" href="203066__enjoypa__counting-from-1-to-20.mp3" soundDataHRef="M 4 1672124303.dat" format="44kHz 16bit Stereo" sampleCount="881280" exportFormat="1" exportBits="7" dataLength="319739" exportNative="true" cacheFormat="5kHz 8bit Stereo" cachedSampleCount="110160"/>
+          <DOMSoundItem name="514508_gis-sweden_background-techno-loop131bpm_part.mp3" itemID="63aa96ed-000001f2" sourceExternalFilepath="Y:/sounds/sounds/LIBRARY/514508_gis-sweden_background-techno-loop131bpm_part.mp3" sourceLastImported="1672095296" externalFileSize="964275" href="514508_gis-sweden_background-techno-loop131bpm_part.mp3" soundDataHRef="M 3 1672066332.dat" format="44kHz 16bit Stereo" sampleCount="2626560" exportFormat="1" exportBits="7" dataLength="952947" exportNative="true" cacheFormat="5kHz 8bit Stereo" cachedSampleCount="328320"/>
           <DOMSoundItem name="POOL-Pool_Shot-709343898.wav" itemID="605a2676-00000203" sourceExternalFilepath="../../graphics/graphics/LIBRARY/POOL-Pool_Shot-709343898.wav" sourceLastImported="1515341955" externalFileSize="207370" href="POOL-Pool_Shot-709343898.wav" soundDataHRef="M 5 1616520759.dat" format="44kHz 16bit Stereo" sampleCount="51311"/>
           <DOMSoundItem name="Yung Raf - Nothing To Lose.mp3" itemID="605a5e7d-00000258" sourceExternalFilepath="../../graphics/graphics/LIBRARY/Yung Raf - Nothing To Lose.mp3" sourceLastImported="1616534842" externalFileSize="2233572" href="Yung Raf - Nothing To Lose.mp3" soundDataHRef="M 6 1616534947.dat" format="44kHz 16bit Stereo" sampleCount="6156288" exportFormat="1" exportBits="7" dataLength="2233572" exportNative="true" cacheFormat="5kHz 8bit Stereo" cachedSampleCount="769536"/>
      </media>
@@ -11,9 +12,10 @@
           <Include href="btnNext.xml" itemIcon="0" loadImmediate="false" itemID="604e2284-000003f0" lastModified="1615733380"/>
           <Include href="btnPrev.xml" itemIcon="0" loadImmediate="false" itemID="604e2299-000003f6" lastModified="1615733401"/>
           <Include href="Symbol 1.xml" loadImmediate="false" itemID="63a9b1e8-000001df" lastModified="1672066786"/>
+          <Include href="Symbol 2.xml" loadImmediate="false" itemID="63aa96f3-000001f4" lastModified="1672124690"/>
      </symbols>
      <timelines>
-          <DOMTimeline name="Scene 1" currentFrame="11">
+          <DOMTimeline name="Scene 1" currentFrame="12">
                <layers>
                     <DOMLayer name="Scripts layer" color="#9933CC" autoNamed="false">
                          <frames>
@@ -56,7 +58,13 @@
                                    </Actionscript>
                                    <elements/>
                               </DOMFrame>
-                              <DOMFrame index="11" keyMode="9728">
+                              <DOMFrame index="11" duration="2" keyMode="9728">
+                                   <Actionscript>
+                                        <script><![CDATA[stopAllSounds();]]></script>
+                                   </Actionscript>
+                                   <elements/>
+                              </DOMFrame>
+                              <DOMFrame index="13" keyMode="9728">
                                    <Actionscript>
                                         <script><![CDATA[stopAllSounds();]]></script>
                                    </Actionscript>
@@ -64,9 +72,9 @@
                               </DOMFrame>
                          </frames>
                     </DOMLayer>
-                    <DOMLayer name="Prev next buttons" color="#4FFF4F" locked="true" current="true" isSelected="true" autoNamed="false">
+                    <DOMLayer name="Prev next buttons" color="#4FFF4F" locked="true" autoNamed="false">
                          <frames>
-                              <DOMFrame index="0" duration="12" keyMode="9728">
+                              <DOMFrame index="0" duration="14" keyMode="9728">
                                    <elements>
                                         <DOMSymbolInstance libraryItemName="btnNext" symbolType="button">
                                              <matrix>
@@ -145,7 +153,7 @@
                               </DOMFrame>
                          </frames>
                     </DOMLayer>
-                    <DOMLayer name="Frame description layer" color="#9933CC" autoNamed="false">
+                    <DOMLayer name="Frame description layer" color="#9933CC" current="true" isSelected="true" autoNamed="false">
                          <frames>
                               <DOMFrame index="0" keyMode="9728">
                                    <elements>
@@ -273,14 +281,42 @@
                                    </elements>
                               </DOMFrame>
                               <DOMFrame index="11" keyMode="9728">
+                                   <elements/>
+                              </DOMFrame>
+                              <DOMFrame index="12" keyMode="9728">
                                    <elements>
+                                        <DOMSymbolInstance libraryItemName="Symbol 2" centerPoint3DX="227" centerPoint3DY="185.5">
+                                             <matrix>
+                                                  <Matrix tx="137.5" ty="110"/>
+                                             </matrix>
+                                             <transformationPoint>
+                                                  <Point x="89.5" y="75.5"/>
+                                             </transformationPoint>
+                                        </DOMSymbolInstance>
                                         <DOMStaticText width="446" height="33.25" includeOutlines="true" isSelectable="false">
+                                             <matrix>
+                                                  <Matrix tx="22" ty="312"/>
+                                             </matrix>
+                                             <textRuns>
+                                                  <DOMTextRun>
+                                                       <characters>007 Stream seek</characters>
+                                                       <textAttrs>
+                                                            <DOMTextAttrs aliasText="false" size="30" face="TimesNewRomanPSMT"/>
+                                                       </textAttrs>
+                                                  </DOMTextRun>
+                                             </textRuns>
+                                        </DOMStaticText>
+                                   </elements>
+                              </DOMFrame>
+                              <DOMFrame index="13" keyMode="9728">
+                                   <elements>
+                                        <DOMStaticText selected="true" width="446" height="33.25" includeOutlines="true" isSelectable="false">
                                              <matrix>
                                                   <Matrix tx="22" ty="342"/>
                                              </matrix>
                                              <textRuns>
                                                   <DOMTextRun>
-                                                       <characters>007 Stop</characters>
+                                                       <characters>Stop</characters>
                                                        <textAttrs>
                                                             <DOMTextAttrs aliasText="false" size="30" face="TimesNewRomanPSMT"/>
                                                        </textAttrs>
@@ -296,6 +332,19 @@
      </timelines>
      <PrinterSettings/>
      <publishHistory>
+          <PublishItem publishSize="2309636" publishTime="1672124722"/>
+          <PublishItem publishSize="2309682" publishTime="1672124695" publishDebug="true"/>
+          <PublishItem publishSize="2309682" publishTime="1672124676" publishDebug="true"/>
+          <PublishItem publishSize="2309682" publishTime="1672124659" publishDebug="true"/>
+          <PublishItem publishSize="2309682" publishTime="1672124621" publishDebug="true"/>
+          <PublishItem publishSize="2309634" publishTime="1672124607"/>
+          <PublishItem publishSize="2309677" publishTime="1672124588" publishDebug="true"/>
+          <PublishItem publishSize="2309679" publishTime="1672124562" publishDebug="true"/>
+          <PublishItem publishSize="2309681" publishTime="1672124532" publishDebug="true"/>
+          <PublishItem publishSize="2309658" publishTime="1672124466" publishDebug="true"/>
+          <PublishItem publishSize="2309608" publishTime="1672124456"/>
+          <PublishItem publishSize="2309671" publishTime="1672124395" publishDebug="true"/>
+          <PublishItem publishSize="2275411" publishTime="1672069975"/>
           <PublishItem publishSize="2275383" publishTime="1672066791"/>
           <PublishItem publishSize="2275382" publishTime="1672066741"/>
           <PublishItem publishSize="2279372" publishTime="1672066366"/>
@@ -303,18 +352,5 @@
           <PublishItem publishSize="2279405" publishTime="1672065634"/>
           <PublishItem publishSize="2237595" publishTime="1672065568"/>
           <PublishItem publishSize="3657857" publishTime="1668349897"/>
-          <PublishItem publishSize="3657883" publishTime="1666634735"/>
-          <PublishItem publishSize="3657878" publishTime="1666634687"/>
-          <PublishItem publishSize="3657743" publishTime="1666596760" publishDebug="true"/>
-          <PublishItem publishSize="3657647" publishTime="1666595782"/>
-          <PublishItem publishSize="3657644" publishTime="1666594083"/>
-          <PublishItem publishSize="3657575" publishTime="1666593031"/>
-          <PublishItem publishSize="3657436" publishTime="1666587404"/>
-          <PublishItem publishSize="3657380" publishTime="1666587105"/>
-          <PublishItem publishSize="3657403" publishTime="1666586960" publishDebug="true"/>
-          <PublishItem publishSize="1609" publishTime="1666586837"/>
-          <PublishItem publishSize="1609" publishTime="1666586837"/>
-          <PublishItem publishSize="1609" publishTime="1666586837"/>
-          <PublishItem publishSize="1609" publishTime="1666586837"/>
      </publishHistory>
 </DOMDocument>
\ No newline at end of file
diff --git a/libsrc/ffdec_lib/testdata/sounds/sounds/LIBRARY/203066__enjoypa__counting-from-1-to-20.mp3 b/libsrc/ffdec_lib/testdata/sounds/sounds/LIBRARY/203066__enjoypa__counting-from-1-to-20.mp3
new file mode 100644
index 000000000..cac9efbbf
Binary files /dev/null and b/libsrc/ffdec_lib/testdata/sounds/sounds/LIBRARY/203066__enjoypa__counting-from-1-to-20.mp3 differ
diff --git a/libsrc/ffdec_lib/testdata/sounds/sounds/LIBRARY/Symbol 2.xml b/libsrc/ffdec_lib/testdata/sounds/sounds/LIBRARY/Symbol 2.xml
new file mode 100644
index 000000000..9c8d93159
--- /dev/null
+++ b/libsrc/ffdec_lib/testdata/sounds/sounds/LIBRARY/Symbol 2.xml	
@@ -0,0 +1,64 @@
+<DOMSymbolItem xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://ns.adobe.com/xfl/2008/" name="Symbol 2" itemID="63aa96f3-000001f4" lastModified="1672124690">
+  <timeline>
+    <DOMTimeline name="Symbol 2">
+      <layers>
+        <DOMLayer name="Layer 3" color="#FF800A" current="true" isSelected="true">
+          <frames>
+            <DOMFrame index="0" duration="74" keyMode="9728">
+              <Actionscript>
+                <script><![CDATA[gotoAndPlay(74);]]></script>
+              </Actionscript>
+              <elements/>
+            </DOMFrame>
+            <DOMFrame index="74" duration="8" keyMode="9728">
+              <elements/>
+            </DOMFrame>
+            <DOMFrame index="82" duration="400" keyMode="9728">
+              <Actionscript>
+                <script><![CDATA[stop();]]></script>
+              </Actionscript>
+              <elements/>
+            </DOMFrame>
+          </frames>
+        </DOMLayer>
+        <DOMLayer name="Layer 2" color="#9933CC">
+          <frames>
+            <DOMFrame index="0" duration="481" keyMode="9728" soundName="203066__enjoypa__counting-from-1-to-20.mp3" soundSync="stream">
+              <SoundEnvelope>
+                <SoundEnvelopePoint level0="32768" level1="32768"/>
+              </SoundEnvelope>
+              <elements/>
+            </DOMFrame>
+          </frames>
+        </DOMLayer>
+        <DOMLayer name="Layer 1" color="#4FFF4F">
+          <frames>
+            <DOMFrame index="0" duration="481" keyMode="9728">
+              <elements>
+                <DOMShape>
+                  <fills>
+                    <FillStyle index="1">
+                      <SolidColor color="#00FF00"/>
+                    </FillStyle>
+                  </fills>
+                  <strokes>
+                    <StrokeStyle index="1">
+                      <SolidStroke scaleMode="normal">
+                        <fill>
+                          <SolidColor/>
+                        </fill>
+                      </SolidStroke>
+                    </StrokeStyle>
+                  </strokes>
+                  <edges>
+                    <Edge fillStyle1="1" strokeStyle="1" edges="!3580 3020|0 3020!0 3020|0 0!0 0|3580 0!3580 0|3580 3020"/>
+                  </edges>
+                </DOMShape>
+              </elements>
+            </DOMFrame>
+          </frames>
+        </DOMLayer>
+      </layers>
+    </DOMTimeline>
+  </timeline>
+</DOMSymbolItem>
\ No newline at end of file
diff --git a/libsrc/ffdec_lib/testdata/sounds/sounds/bin/M 4 1672124303.dat b/libsrc/ffdec_lib/testdata/sounds/sounds/bin/M 4 1672124303.dat
new file mode 100644
index 000000000..fa7c5b827
Binary files /dev/null and b/libsrc/ffdec_lib/testdata/sounds/sounds/bin/M 4 1672124303.dat differ
diff --git a/libsrc/ffdec_lib/testdata/sounds/sounds/bin/SymDepend.cache b/libsrc/ffdec_lib/testdata/sounds/sounds/bin/SymDepend.cache
index 2b9fba045..0aab3f2ad 100644
Binary files a/libsrc/ffdec_lib/testdata/sounds/sounds/bin/SymDepend.cache and b/libsrc/ffdec_lib/testdata/sounds/sounds/bin/SymDepend.cache differ