Added Sound From Sequences Node

docs/user_guide/nodes/sound/index.rst

@@ -6,5 +6,6 @@ Sound
 
    Sound Bake <sound_bake>
    Evaluate Sound <evaluate_sound>
+   Sound From Sequence <sound_from_sequences>
 
 .. image:: images/sound_overview.png

docs/user_guide/nodes/sound/sound_from_sequences.rst

@@ -0,0 +1,37 @@
+Sound From Sequences
+====================
+
+Description
+-----------
+When sound are baked using the *Sound bake* node, they are in fact added to the sequence editor at a certain channel, and you can select a sound by its location in the sequencer channels.
+
+.. image:: images/sound_from_sequences_node.png
+   :width: 160pt
+
+Options
+-------
+
+- **Sound Type**:
+	- **Single** - Returns the sound which was baked using the **Bake** button.
+	- **Equalizer** - Returns the sound which was baked using the **Bake Equalizer Data** button.
+
+Inputs
+------
+
+- **Sequences** - The sequences at which the sound strips exist, you can get sequences list by using the *Sequences From Channel* node.
+- **Bake Index** - The index of the baked data. Multiple equalizer data can be baked using the *Sound Bake* node and this index let you choose which one to get.
+
+Outputs
+-------
+
+- **Sound** - The sound data of the sound strip.
+
+Advanced Node Settings
+----------------------
+
+- N/A
+
+Examples of Usage
+-----------------
+
+.. image:: gifs/evaluate_sound_node_example.gif