added "sample rate" selector to microphone drow-down

HISTORY.md

@@ -62,6 +62,7 @@
 * Objects: eliminated "clicks" when playing a frequency
 * Widgets, Objects: Adjusted PianoKeyboard for the new audio engine
 * Objects: tweaked oscillator fade-out
+* Blocks, Threads: added "sample rate" selector to microphone drow-down
 
 ### 2019-04-04
 * Objects, Threads: new "play frequency" commands in the Sounds category

snap.html

@@ -7,7 +7,7 @@
         <script type="text/javascript" src="src/morphic.js?version=2019-02-07"></script>
         <script type="text/javascript" src="src/widgets.js?version=2019-04-05"></script>
         <script type="text/javascript" src="src/blocks.js?version=2019-04-04"></script>
-        <script type="text/javascript" src="src/threads.js?version=2019-04-04"></script>
+        <script type="text/javascript" src="src/threads.js?version=2019-04-05"></script>
         <script type="text/javascript" src="src/objects.js?version=2019-04-05"></script>
         <script type="text/javascript" src="src/gui.js?version=2019-03-25"></script>
         <script type="text/javascript" src="src/paint.js?version=2019-02-22"></script>

src/blocks.js

@@ -148,7 +148,7 @@ CustomCommandBlockMorph, SymbolMorph, ToggleButtonMorph, DialMorph*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.blocks = '2019-April-04';
+modules.blocks = '2019-April-05';
 
 var SyntaxElementMorph;
 var BlockMorph;
@@ -8979,6 +8979,7 @@ InputSlotMorph.prototype.audioMenu = function () {
         'note' : ['note'],
         'frequency' : ['frequency'],
         'samples' : ['samples'],
+        'sample rate' : ['sample rate'],
         'spectrum' : ['spectrum'],
         'resolution' : ['resolution']
     };

src/threads.js

@@ -62,7 +62,7 @@ StageMorph, SpriteMorph, StagePrompterMorph, Note, modules, isString, copy,
 isNil, WatcherMorph, List, ListWatcherMorph, alert, console, TableMorph, Color,
 TableFrameMorph, ColorSlotMorph, isSnapObject, Map*/
 
-modules.threads = '2019-April-04';
+modules.threads = '2019-April-05';
 
 var ThreadManager;
 var Process;
@@ -2270,6 +2270,8 @@ Process.prototype.reportAudio = function (choice) {
             return stage.microphone.note;
         case 'samples':
             return new List(stage.microphone.signals);
+        case 'sample rate':
+            return stage.microphone.audioContext.sampleRate;
         case 'output':
             return new List(stage.microphone.output);
         case 'spectrum':