Merge branch 'master' into master

src/ios/CDVTTS.m

@@ -61,6 +61,13 @@ - (void)speak:(CDVInvokedUrlCommand*)command {
 
     [synthesizer stopSpeakingAtBoundary:AVSpeechBoundaryImmediate];
 
+    NSDictionary* options = [command.arguments objectAtIndex:0];
+
+    NSString* text = [options objectForKey:@"text"];
+    NSString* locale = [options objectForKey:@"locale"];
+    double rate = [[options objectForKey:@"rate"] doubleValue];
+    double pitch = [[options objectForKey:@"pitch"] doubleValue];
+
     if (!locale || (id)locale == [NSNull null]) {
         locale = @"en-US";
     }
@@ -69,6 +76,10 @@ - (void)speak:(CDVInvokedUrlCommand*)command {
         rate = 1.0;
     }
 
+    if (!pitch) {
+        pitch = 1.2;
+    }
+
     AVSpeechUtterance* utterance = [[AVSpeechUtterance new] initWithString:text];
     utterance.voice = [AVSpeechSynthesisVoice voiceWithLanguage:locale];
     // Rate expression adjusted manually for a closer match to other platform.
@@ -78,7 +89,7 @@ - (void)speak:(CDVInvokedUrlCommand*)command {
        utterance.rate = utterance.rate * 2;
        // see http://stackoverflow.com/questions/26097725/avspeechuterrance-speed-in-ios-8
     }
-    utterance.pitchMultiplier = 1.2;
+    utterance.pitchMultiplier = pitch;
     [synthesizer speakUtterance:utterance];
 }