scratch-audio - npm Package Compare versions

Comparing version 0.1.0-prerelease.1490981488 to 0.1.0-prerelease.1491588270

package.json

 {
   "name": "scratch-audio",
-  "version": "0.1.0-prerelease.1490981488",
+  "version": "0.1.0-prerelease.1491588270",
   "description": "audio engine for scratch 3.0",
@@ -32,3 +32,3 @@ "main": "dist.js",
     "soundfont-player": "0.10.5",
-    "tone": "0.8.0",
+    "tone": "0.9.0",
     "travis-after-all": "1.4.4",
@@ -35,0 +35,0 @@ "webpack": "1.13.2"

src/index.js

@@ -56,2 +56,6 @@ var log = require('./log');
     this.audioBuffers = {};
+
+    // microphone, for measuring loudness, with a level meter analyzer
+    this.mic = null;
+    this.micMeter = null;
 }
@@ -157,2 +161,21 @@
 /**
+ * Get the current loudness of sound received by the microphone.
+ * Sound is measured in RMS and smoothed.
+ * @return {number} loudness scaled 0 to 100
+ */
+AudioEngine.prototype.getLoudness = function () {
+    if (!this.mic) {
+        this.mic = new Tone.UserMedia();
+        this.micMeter = new Tone.Meter('level', 0.5);
+        this.mic.open();
+        this.mic.connect(this.micMeter);
+    }
+    if (this.mic && this.mic.state == 'started') {
+        return this.micMeter.value * 100;
+    } else {
+        return -1;
+    }
+};
+
+/**
  * Names of the audio effects.
@@ -159,0 +182,0 @@ * @readonly

No alert changes

Improved metrics

Total package byte prevSize

1218527

0.96%

Lines of code

26016

1.32%

No dependency changes